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BR300 Datasheet

Sanken

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Sanken Electric Co., Ltd.
Overseas Sales Headquarters
Metropolitan Plaza Building, 1-11-1 Nishi-Ikebukuro
Toshima-ku, Tokyo 171-0021, Japan
Tel: 81-3-3986-6164
Fax: 81-3-3986-8637
WORLDWIDE SALES OFFICES
Asia-Pacific
China
Sanken Electric Hong Kong Co., Ltd.
Suite 1026 Ocean Centre, Canton Road
Tsimshatsui, Kowloon, Hong Kong
Tel: 852-2735-5262
Fax: 852-2735-5494
Sanken Electric (Shanghai) Co., Ltd.
Room 3202, Maxdo Centre, Xingyi Road 8
Changning District, Shanghai, China
Tel: 86-21-5208-1177
Fax: 86-21-5208-1757
Sanken Electric (Shanghai) Co., Ltd. Shenzhen Office
Room 1013, Xinhua Insurance Building, Mintian Road, Futian District,
Shenzhen City, Guangdong, China
Tel : 86-755-8283-6685
Fax: 86-755-8826-3053
Taiwan Sanken Electric Co., Ltd.
Room 1801, 18th Floor, 88 Jung Shiau East Road
Sec. 2, Taipei 100, Taiwan R.O.C.
Tel: 886-2-2356-8161
Fax: 886-2-2356-8261
Korea
Sanken Electric Korea Co., Ltd.
(Yeouido B/D 16F)24,Gukjegeumyung-ro 2-gil,
Yeongdeungpo-gu,Seoul 150-734, Korea
Tel: 82-2-714-3700
Fax: 82-2-3272-2145
Singapore
Sanken Electric Singapore Pte. Ltd.
152 Beach Road, #10-06 The Gateway East,
Singapore 189721
Tel: 65-6291-4755
Fax: 65-6297-1744
Malaysia
Sanken Electric (Malaysia) Sdn. Bhd.
Block B-20-5, Level 20, Northpoint Midvalley City,
No.1, Medan Syed Putra Utara, 59200 Kuala Lumpur, Malaysia
Tel: 60-3-2282-2345
Fax: 60-3-2282-6345
Europe
United Kingdom
Sanken Power Systems (UK) Ltd.
Pencoed Technology Park
Pencoed, Bridgend CF35 5HY, United Kingdom
Tel: 44-1656-869-100
Fax: 44-1656-869-162
North America
United States
Allegro MicroSystems, Inc.
115 Northeast Cutoff
Worcester, Massachusetts 01606, U.S.A.
Tel: 1-508-853-5000
Fax: 1-508-853-7895
H1-O03EH0-1303015ND
SEMICONDUCTORS GENERAL CATALOG 2013 SANKEN ELECTRIC CO., LTD.
ICs
Transistors
Thyristors
Diodes
DC/DC Power Modules
Bulletin No
O03EH0
Mar, 2013
http://www.sanken-ele.co.jp/en/
SANKEN ELECTRIC CO., LTD.
SEMICONDUCTORS
GENERAL CATALOG
The contents in this document are subject to changes, for improvement and other purposes,
without notice.
Be sure to check the delivery specifications before using these products.
The operation and circuit examples in this document are provided for reference purposes
only. Sanken assumes no liability for violation of industrial property, intellectual property, or
other rights of Sanken or third parties, that stem from these examples.
The user must take responsibility for considering and determining which objects the
products in this document are used with.
Although we will continue to improve the quality and reliability of our products,
semiconductor products, by their nature, have certain fault and failure rates. The user must
take responsibility for designing and checking to secure the device and system so that a part
failure may not lead to human injury, fire, damages, or other losses.
The products in this document are intended for normal electronic devices (such as home
appliances, office equipment, communication terminals, or measurement devices).
If you are considering using our products for a device that requires high reliability (such as
transport machines and their control units, traffic light control systems, disaster prevention,
and security equipment or any kind of safety equipment), make sure that you consult our
sales representative.
Do not use these products for devices that require extremely high reliability (such as
aerospace instruments, nuclear power control units, or life support systems).
The products in this document are not designed to be radiation-proof.
The contents in this document must not be transcribed or copied without our written consent.
Warning
C O N T E N T S
SANKEN
SEMICONDUCTORS
1ICs
1-1 Power Management ICs ..................................................................................................... 6
1-1-1 Power Factor Correction (PFC) ICs ................................................................... 6
1-1-2 AC/DC Converter ICs .......................................................................................... 6
1-1-3 DC/DC Converter ICs .......................................................................................... 9
1-1-4 Linear Regulator ICs .......................................................................................... 70
1-2 Motor Driver ICs ................................................................................................................92
1-2-1 2-Phase Stepper Motor Unipolar Driver ICs.................................................... 96
1-2-2 5-Phase Stepper Motor Driver ICs ..................................................................... 110
1-2-3 Brush DC Motor Driver ICs ................................................................................ 112
1-2-4 Low Voltage 3-Phase Brushless Motor Driver ICs ............................................. 114
1-2-5 High Voltage 3-Phase Brushless Motor Driver ICs ............................................ 120
1-3 LED Lighting ICs ............................................................................................................ 134
2Transistors
2-1 Transistors ...................................................................................................................... 157
2-2 MOS FETs ....................................................................................................................... 167
2-3 IGBT ................................................................................................................................. 171
2-4 Transistors and MOS FET Arrays ................................................................................ 174
3Thyristors
3-1 Thyristors ........................................................................................................................ 194
3-2 Triacs ............................................................................................................................... 196
4Diodes
4-1 Rectifier Diodes .............................................................................................................. 207
4-2 Fast Recovery Diodes ................................................................................................... 208
4-3 Ultrafast Recovery Diodes............................................................................................ 210
4-4 Schottky Barrier Diodes ................................................................................................ 213
4-5 Power Zener Diodes ...................................................................................................... 216
4-6 Silicon Varistors ............................................................................................................. 217
5DC/DC Power Modules
5DC/DC Power Modules ................................................................................................. 221
Part Number Index ........................................................................ 236
Ordering Information & Standard Packing Quantities ................ 4
1-1 Power Management ICs........................................................... 6
1-1-1 Power Factor Correction (PFC) ICs ........................... 6
1-1-2 AC/DC Converter ICs .................................................. 6
1-1-3 DC/DC Converter ICs .................................................. 9
Selection Guide............................................................ 9
Application Note......................................................... 11
1-1-4 Linear Regulator ICs ................................................. 70
Selection Guide.......................................................... 70
Application Note......................................................... 71
1-2 Motor Driver ICs ..................................................................... 92
Selection Guide ........................................................................ 92
Application Note ....................................................................... 95
1-2-1 2-Phase Stepper Motor Unipolar Driver ICs ........... 96
1-2-2 5-Phase Stepper Motor Driver ICs......................... 110
1-2-3 Brush DC Motor Driver ICs ..................................... 112
1-2-4
Low Voltage 3-Phase Brushless Motor Driver ICs ..
114
1-2-5
High Voltage 3-Phase Brushless Motor Driver ICs..
120
1-3 LED Lighting ICs .................................................................. 134
1
1
ICs
4ICs
1ICs
All products listed must be ordered in standard packing increments.
Ordering Information
Ordering Information
LC52xxD DIP8 2500 –
LC52xxS SOP8(Surface-mount) – 1000
LC55xxD/LD DIP8 2500 –
LC55xxF/LF TO220F-7 1800 –
LC57xxS HSOP8(Surface-mount) – 1000
NR110K HSOP8(Surface-mount) – 1000
NR111E eSOIC8(Surface-mount) – 2500
NR117K HSOP8(Surface-mount) – 1000
NR119E eSOIC8(Surface-mount) – 2500
NR301E eSOIC8(Surface-mount) – 2500
NR885E eSOIC8(Surface-mount) – 2500
NR885K HSOP8(Surface-mount) – 1000
NR887D DIP8 2500 –
SAI PS4(Surface-mount) – 2000
SCM1240M DIP33Pin LF.No.2551/2552:
250
SI-3000KD
TO263-5(Surface-mount)
800
SI-3000KF TO220F-5 2000 –
SI-3000KS SOP8(Surface-mount) 1000
SI-3000LLSL SOP8(Surface-mount) 1000
SI-3000LSA SOP8(Surface-mount) 1000
SI-3000LU
SOT89-5(Surface-mount)
– 1000
SI-3000ZD
TO263-5(Surface-mount)
800
SI-3000ZF TO220F-5 2000 –
SI-6633C QFN36(Surface-mount) – 2500
SI-6633M QFN36(Surface-mount) – 2500
SI-7321M
HSOP44(Surface-mount)
– 2000
SI-7510 DIP30 680 –
SI-8000E TO220F-5 2000 –
SI-8000FD
TO263-5(Surface-mount)
800
SI-8000FFE TO220F-5 2000 –
SI-8000GL DIP8 2500 –
SI-8000HD
TO263-5(Surface-mount)
800
SI-8000HFE TO220F-5 2000 –
SI-8000JD
TO263-5(Surface-mount)
800
SI-8000JF TO220F-5 2000 –
SI-8000Q HSOP8(Surface-mount) – 1000
SI-8000S TO220F-5 2000 –
SI-8000SD
TO263-5(Surface-mount)
800
SI-8000TFE TO220F-5 2000 –
SI-8000TM
TO252-5(Surface-mount)
– 3000
SI-8000W SOP8(Surface-mount) 1000
SI-8000Y TO220F-7 2000 –
SI-8100QL DIP8 2500 –
SI-8205NHD HSOP8(Surface-mount) 1000
SI-8205NHG HSOP8(Surface-mount) 1000
SI-8400L
Non-package type (EI-12.5 core)
864 –
SI-8500L
Non-package type (EI-19 core)
320 –
SI-8511NVS
TSSOP24(Surface-mount)
– 2800
SIM6800M DIP40Pin
LF.No.2971: 1080
SLA686xMZ SIP24 with Fin
LF.No.2171: 648,
(
SLA24Pin
)LF.No.2175: 540
SLA7022MU/ ZIP15 with Fin 1080 –
7029M (SLA15Pin)
SLA7024M/ ZIP18 with Fin 1080 –
7026M/7027MU (SLA18Pin)
SLA707xMR/MPR
ZIP23 with Fin 1080 –
/MPRT (SLA23Pin)
SLA708xMPR
ZIP23 with Fin 1080 –
(SLA23Pin)
SMA682xMH/
SIP24
LF.No.2451: 1080,
686xMZ
(SMA24Pin)
LF.No.2452: 1008
SMA7022MU/ ZIP15 1440 –
7029M (SMA15Pin)
SPI-6631M
HSOP16(Surface-mount)
– 1400
SPI-8000A
HSOP16(Surface-mount)
– 1400
SPI-8000TW
HSOP16(Surface-mount)
– 1400
SSC2000 SOP8(Surface-mount) – 1000
SSC2100 SOP8(Surface-mount) – 1000
SSC9512 DIP16 1250 –
SSC9522S SOP18(Surface-mount) 2000
STA6940M
ZIP18(STA18Pin)
LF.No.434: 1785
STA713xMPR
ZIP18(STA18Pin)
LF.No.434: 1785
STA801M
ZIP10(STA10Pin)
100 –
STR2W100
TO220F-6
1800 –
STR3A100 DIP8 2500 –
STR-A6000 DIP8 2500 –
STR-A6100 DIP8 2500 –
STR-L400 SIP10
(STA10Pin)
3300 –
STR-L6400 SIP10
(STA10Pin)
3300 –
STR-V100 SIP8
(STA8Pin)
4050 –
STR-V600 SIP8
(STA8Pin)
4050 –
STR-W6000S TO220F-6 1800
STR-W6200D TO220F-6 1800
STR-W6700 TO220F-6 1800 –
STR-X6700 TO3PF-7 500 –
STR-Y6400 TO220F-7 1800 –
STR-Y6700 TO220F-7 1800 –
5
ICs
1ICs
SX68000MH SOP27(Surface-mount) LF1890:
3000
6ICs
PWM type
<STR-3A100 Series>
For small power applications
Low noise, low standby power (Input power PIN<15mW at no load)
Part Number Oscillation
Frequency
MOSFET Overvoltage and Thermal
Protection Operation Package
V
DSS
(MIN) R
DS(ON)
(MAX)
STR3A151
67kHz 650V
4.0
Latch
DIP8
STR3A152 3.0
STR3A153 1.9
STR3A154 1.4
STR3A155 1.1
STR3A151D
67kHz 650V
4.0
Auto restart
STR3A152D 3.0
STR3A153D 1.9
STR3A154D 1.4
STR3A155D 1.1
STR3A161HD
100kHz 700V
4.2
Auto restartSTR3A162HD 3.2
STR3A163HD 2.2
<STR-A6000 Series>
For small power applications
Low noise, low standby power (Input power PIN<25mW at no load)
Brown-in and brown-out functions
Part Number Oscillation
Frequency
MOSFET Package
V
DSS
(MIN) R
DS(ON)
(MAX)
STR-A6051M
67kHz 650V
3.95
DIP8
STR-A6052M 2.8
STR-A6053M 1.9
STR-A6079M 800V 19.2
STR-A6059H
100kHz
650V 6
STR-A6061H
700V
3.95
STR-A6062H 2.8
STR-A6069H 6
STR-A6061HD*
100kHz 700V
3.95
STR-A6062HD* 2.8
STR-A6063HD* 2.3
STR-A6069HD* 6
In addition to normal overcurrent protection, overcurrent protection that operates in the case of a short circuit at the output coil has been added. This overcurrent
protection operates during the leading edge blanking period.
<STR-V600 Series>
Low height, at least 4 mm of creepage isolation between high and low terminal tips
Low noise, low standby power (Input power PIN<25mW at no load)
SIP8 package version of STR-A6000
Part Number Oscillation
Frequency
MOSFET Package
V
DSS
(MIN) R
DS(ON)
(MAX)
STR-V653 67kHz 650V 1.9SIP8
<STR2W100D Series>
Low noise, low standby power (Input power PIN<25mW at no load)
Part Number Oscillation
Frequency
MOSFET Package
V
DSS
(MIN) R
DS(ON)
(MAX)
STR2W152D 67kHz 650V 3.0TO220F-6
STR2W153D 1.9
1-1-2 AC/DC Converter ICs
1-1 Power Management ICs
Continuous Conduction Mode (CCM) PFC Control IC
For high power and high efficiency applications, with brown-in and brown-out
functions
Interleaved Discontinuous Conduction Mode (DCM)
PFC Control IC
8-pin package, minimum number of discrete components, low noise, and low ripple
Control ICs
1-1-1 Power Factor Correction (PFC) ICs
Series Name Part Number Oscillation Frequency Package
SSC2000 SSC2001S
Fixed to
65kHz SOP8
Series Name Part Number Maximum on time Package
SSC2100 SSC2101S 15
µs
SOP8
SSC2102S 20.7
µs
SOP8
7
ICs
1-1-2 AC/DC Converter ICs
<STR-W6000S Series>
Low noise, low standby power (Input power PIN<30mW at no load)
Brown-in and brown-out functions
Part Number Oscillation
Frequency
MOSFET Package
VDSS (MIN) RDS(ON) (MAX)
STR-W6051S
67kHz 650V
3.95
TO220F-6STR-W6052S 2.8
STR-W6053S 1.9
<STR-W6200D Series>
Low noise, low standby power (Input power PIN<40mW at no load)
External latch protection (ELP) function
Part Number Oscillation
Frequency
MOSFET Package
VDSS (MIN) RDS(ON) (MAX)
STR-W6251D
67kHz 650V
3.95
TO220F-6STR-W6252D 2.8
STR-W6253D 1.9
Pulse ratio control (PRC) type with off-time period fixed (originated by Sanken Electric)
<STR-A6100 Series>
For small power applications
Low noise, low standby power
Part Number Fixed off-time
period
MOSFET Auto standby
function Package
V
DSS
(MIN) R
DS(ON)
(MAX)
STR-A6131
8µs
500V 3.95
Ye s
DIP8
STR-A6132 2.62
STR-A6159 650V 6
STR-A6151 3.95
STR-A6169 800V 19.2
STR-A6131M
11.5µs
500V 3.95
No
STR-A6159M
650V
6
STR-A6151M 3.95
STR-A6153E 1.9
<STR-V100 Series>
Low height, at least 4 mm of creepage isolation between high and low terminal tips
Low noise, low standby power
SIP8 package version of STR-A6100
Part Number Fixed off-time
period
MOSFET Package
V
DSS
(MIN) R
DS(ON)
(MAX)
STR-V152 8µs650V 2.8SIP8
STR-V153 11.5µs2
Quasi-resonant type
<STR-Y6700 Series>
High efficiency in full load range
Low noise, low standby power
Part Number MOSFET Package
V
DSS
(MIN) R
DS(ON)
(MAX)
STR-Y6735 500V 0.8
TO220F-7
STR-Y6753 650V 1.9
STR-Y6754 1.4
STR-Y6763
800V
3.5
STR-Y6765 2.2
STR-Y6766 1.7
<STR-Y6400 Series>
High efficiency in full load range
Low noise, low standby power
Mode change delay time adjustable
Part Number MOSFET Package
VDSS (MIN) RDS(ON) (MAX)
STR-Y6453 650V 1.8
TO220F-7
STR-Y6456 0.73
STR-Y6473 850V 3.6
STR-Y6476 1.3
8ICs
1-1-2 AC/DC Converter ICs
Part Number Package
SSC9512 DIP16
SSC9522S SOP18
<STR-L6400 Series>
Low height, at least 6.5 mm of creepage isolation between high and low terminal tips
High efficiency in full load range, low noise, and low standby power
SIP10 package version of STR-Y6400
Part Number MOSFET Package
V
DSS
(MIN) R
DS(ON)
(MAX)
STR-L6472 850V 6.5SIP10
<STR-L400 Series>
Low height, at least 6.5 mm of creepage isolation between high and low terminal tips
Low noise, high efficiency
Part Number MOSFET Package
V
DSS
(MIN) R
DS(ON)
(MAX)
STR-L451 650V 3.95SIP10
STR-L472 900V 7.7
<STR-W6700 Series>
High efficiency in full load range
Low noise, undervoltage lockout (UVLO) standby function
Part Number MOSFET Auto burst
operation
Bottom-skip QR
operation Package
V
DSS
(MIN) R
DS(ON)
(MAX)
STR-W6734 500V 1.0
Ye s Ye s
TO220F-6
STR-W6735 0.57
STR-W6753
650V
1.7
STR-W6754 0.96
STR-W6756 0.73
STR-W6765 800V 1.8
STR-W6750F 650V 0.73Ye s N o
STR-W6723N 450V 1.4
No Yes
STR-W6735N 500V 0.57
STR-W6756N 650V 0.73
STR-W6765N 800V 1.8
<STR-X6700 Series>
High efficiency in full load range
Low noise, undervoltage lockout (UVLO) standby function
Part Number MOSFET Auto burst
operation
Bottom-skip QR
operation Package
V
DSS
(MIN) R
DS(ON)
(MAX)
STR-X6737 500V 0.36
Ye s Ye s
TO3PF-7
STR-X6756 650V 0.73
STR-X6757 0.62
STR-X6769 800V 0.66
STR-X6750B 650V 0.62
No NoSTR-X6759B 0.385
STR-X6769B 800V 0.66
STR-X6750F 650V 0.62Ye s N o
STR-X6759F 0.385
STR-X6729 450V 0.189
No Yes
STR-X6737M 500V 0.36
STR-X6757N 650V 0.62
STR-X6759N 0.385
STR-X6768N 800V 1.0
Current resonance type
Half-bridge resonance
High efficiency, low noise
Brown-in and brown-out functions
9
ICs
1-1-3 DC/DC Converter ICs
<Single Output>
Selection Guide
Selection Guide
Page
12
14
16
18
20
20
22
22
24
24
26
28
32
34
34
20
20
36
Remarks
Current mode control
Current mode control
Current mode control, synchronous rectifier
Current mode control, synchronous rectifier
Current mode control, synchronous rectifier
Current mode control, external synchronization
Current mode control
Active: low
Current mode control
Current mode control
Output Current
(A)
0.4
0.5
0.6
1.5
1.5
1.5
2.0
3.0
3.0
3.0
3.0
3.0
3.0
3.5
3.5
3.5
4.0
4.0
5.5
Output Voltage
(V)
3.3 5.0 9.0 12
Series Name
SAI
SI-8000W
SI-8000JD
SI-8000TM
NR117K
NR119E
NR885E
NR885K
SI-8205NHD
SI-8205NHG
SI-8000SD
SPI-8000A
SI-8000Q
SI-8000FDE
SI-8000FDL
NR110K
NR111E
SI-8000HD
Oscillation
Frequency
(kHz)
60
60
125
300
30
364
350
350
200 to 1000
300 to 1000
60
250
500
300
300
350
350
150
Variable (Reference Voltage)
(V)
0.5 0.8 1.0
Maximum
Input Voltage
(V)
35
35
43
43
35
35
20
20
46
46
43*
1
53
30
43
43
35
35
43
Surface-Mount Type
Package
PS-4
SOP8
TO263-5
TO252-5
HSOP8
eSOIC8
eSOIC8
HSOP8
HSOP8
HSOP8
TO263-5
HSOP16
HSOP8
TO263-5
TO263-5
HSOP8
eSOIC8
TO263-5
Remarks
With coil and built-in diode
With coil and built-in diode
Current mode control, synchronous rectifier
Current mode control
Current mode control
Current mode control
Series Name
SI-8400L
SI-8000E
SI-8500L
SI-8000JF
SI-8000TFE
SI-8000GL
NR887D
SI-8000S
SI-8100QL
SI-8000FFE
NR111D
SI-8000HFE
SI-8000Y
Output Current
(A)
0.5
0.6
1.0
1.5
1.5
1.5
2.0
3.0
3.5
3.5
4.0
5.5
8.0
Oscillation
Frequency
(kHz)
60
60
60
125
300
250
500
60
350
300
350
150
130
Page
60
38
60
40
42
44
46
48
50
52
54
56
58
Output Voltage
(V)
3.3 5.0 9.0 12 15
Variable (Reference Voltage)
(V)
0.5 0.8 1.0 1.5
Maximum
Input Voltage
(V)
35
43
35
43
43
53
20
43
*2
30
43
35
43
45
*2 35V for SI-8033S
Thru-Hole Type
Package
Non-package type
TO220F-5
Non-package type
TO220F-5
TO220F-5
DIP8
DIP8
TO220F-5
DIP8
TO220F-5
DIP8
TO220F-5
TO220F-7
*1 35V for SI-8033SD
10 ICs
1-1-3 DC/DC Converter ICs
Series Name
SI-8511NVS
Maximum Input Voltage
(
V)
25
Remarks
Synchronous rectifier, PRC (fixed to ton)
Variable (Reference Voltage)
(V
)
1.1
Page
68
Package
TSSOP24
Oscillation Frequency
(
kHz)
100 to 400
<Control ICs>
<Multi Output>
Part Number
STA801M
SPI-8001TW
SPI-8002TW
SPI-8003TW
ch1
ch2
ch1
ch2
ch1
ch2
ch1
ch2
Maximum Input Voltage
(V)
43
21
40
40
Remarks
Built-in flywheel diode
Frequency variable
Output Voltage
(V)
5
Select from 9.0, 11.5, 12.1, and 15.5
Variable (1.0 to 16 V)
Variable (1.0 to 16 V)
Variable (1.0 to 24 V)
Variable (1.0 to 24 V)
Variable (1.0 to 24 V)
Variable (1.0 to 24 V)
Output Current
(A)
0.5
0.5
1.5
1.5
1.5
1.5
1.5
1.5
Page
62
64
64
64
Package
ZIP10
HSOP16
HSOP16
HSOP16
Oscillation Frequency
(kHz)
125
250
250
200 to 400
11
ICs
Mounting Torque
SI-8000E
SI-8000JF
SI-8000S
SI-8000TFE 0.588 to 0.686[N•m] (6.0 to 7.0[kgf•cm])
SI-8000HFE
SI-8000FFE
SI-8000Y
Recommended Silicone Grease
Shin-Etsu Chemical Co., Ltd.: G746
Momentive Performance Materials Inc.: YG-6260
Dow Corning Toray Silicone Co., Ltd.: SC102
Please select proper silicone grease carefully since the oil in some grease
products may penetrate the device and result in an extremely short device
life.
Others
Devices can not be operated in parallel connection aiming for a larger
current.
• Not applicable for the current boost or voltage step-up use.
Rectifier Diodes for Power Supplies
To rectify the AC input using rectifier diodes in power supplies, please use
SANKEN rectifier diodes shown in the following list. (Please use a center-
tap or bridge configuration in using stand-alone type diodes.)
Heat Dissipation and Reliability
The reliability of an IC is highly dependent on its operating temperature.
Please be sure to apply silicone grease to the IC and to mount it to the
heatsink with a proper mounting torque.
Heatsink design should pay particular attention to ensuring sufficient heat
dissipation capacity.
In addition, please take into account the air convection in operation.
The reliability of discrete components such as capacitors and coils is
closely related to temperature. A high operating temperature may reduce
the service life. Exceeding the allowable temperature may burn the coils or
damage capacitors. It is important to make sure that the temperature of
output smoothing coils and input/output capacitors do not exceed their
allowable levels during operation. With an adequate derating for the coils,
minimize heat emission as far as possible. (For discrete components, refer
to the individual user manuals.)
Internal Power Dissipation
PD can be obtained from the following formula.
For the device with built-in flywheel diode:
PD=VO•IO ( 100 –1)
ηχ
•For the device with external flywheel diode:
PD=VO•IO ( 100 –1)–VF•IO(1– VO )
ηχ
VIN
Efficiency
ηχ
depends on the input/output conditions. Please refer to
the efficiency characteristics of the devices. (Posted on the Web site.)
VO:Output voltage
VIN:Input voltage
IO:Output current
ηχ
:Efficiency(%)
VF:Diode forward voltage
Thermal Design
The maximum junction temperature Tj(max) given in the Absolute Maximum
Ratings is specific to each product type and must be strictly observed.
Thus, thermal design must consider the maximum power dissipation
PD(max), which varies by the conditions of use, and the maximum ambient
temperature Ta(max).
To simplify thermal design, Ta-PD characteristic graphs are provided herein.
Please observe the following steps for heatsink design:
1. Obtain the maximum ambient temperature Ta(max).
2. Obtain the maximum power dissipation PD(max).
3. Look for the intersection point on the Ta-PD characteristic graph and
determine the size of the heatsink.
Although the heatsink size is now obtained, in actual applications, 10-to-
20% derating factor is generally introduced. Moreover, the heat dissipation
capacity of a heatsink highly depends on how it is mounted. Thus, it is
recommended to measure the heatsink and case temperature in the actual
operating environment.
Please refer to the Ta-PD characteristic graphs for respective product
types.
Application Note
Series Name Diodes
SAI
SI-8000W
SI-8000JD
SI-8000TM
NR117K
NR119E
NR885E
NR885K SJPM-H4 (Surface-Mount Stand-Alone Type,
SI-8205NHD
SI-8205NHG
SI-8000SD
SPI-8000A
SI-8005Q
SI-8001FDE
SI-8001FDL
SI-8008HD
SI-8000HFE FMM-22S,R (Center-tap Type,VRM=200V,IO=10A)
SI-8000Y
SI-8400L
SI-8000E
SI-8500L
SI-8000JF AM01Z (Axial Type,VRM=200V,Io=1.0A)
SI-8000TFE
SI-8000GL
NR887D
SI-8000S RM10Z (Axial Type,VRM=200V,Io=1.5A)
NR110K
NR111E
SI-8100QL RM4Z (Axial Type,VRM=200V,Io=3.0A)
SI-8000FFE
STA801M AM01Z (Axial Type,VRM=200V,Io=1.0A)
SPI-8000TW SJPM-H4 (Surface-Mount Stand-Alone Type,
Application Note
1-1-3 DC/DC Converter ICs
12 ICs
1-1-3 DC/DC Converter ICs
Features
•Surface-mount power package
Output current: 0.4 to 0.5A
High efficiency: 75 to 88%
Requires only 4 discrete components
Internally-adjusted phase compensation and
output voltage
Built-in reference oscillator (60kHz)
Built-in overcurrent and thermal protection
circuits
Applications
Power supplies for telecommunication
equipment
Onboard local power supplies
Lineup
Electrical Characteristics (Ta=25°C)
Unit
V
%
kHZ
mV
mV
mV/°C
dB
A
Parameter
Output Voltage
Efficiency
Oscillation Frequency
Line Regulation
Load Regulation
Temperature Coefficient of Output Voltage
Ripple Rejection
Overcurrent Protection
Starting Current
Symbol
VO
Conditions
η
Conditions
f
Conditions
VOLINE
Conditions
VOLOAD
Conditions
VO/Ta
RREJ
Conditions
IS1
Conditions
Absolute Maximum Ratings
Unit
V
W
°C
°C
°C/W
Ratings
35
0.75
+125
–40 to +125
20
Symbol
VIN
PD
Tj
Tstg
θ
j-c
Parameter
DC Input Voltage
Power Dissipation
Junction Temperature
Storage Temperature
Thermal Resistance(junction to case)
Part Number SAI01 SAI02 SAI03
VO(V) 5.0 3.3 12.0
IO(A) 0.5 0.4
Recommended Operating Conditions
Parameter
DC Input Voltage Range
Output Current Range
Operating Junction Temperature Range
Symbol
VIN
IO
Tjop
Unit
V
A
°C
Ratings
SAI01 SAI02 SAI03
7 to 33 5.3 to 28 15 to 33
0 to 0.5 0 to 0.4
–30 to +125
Ratings
SAI01 SAI02 SAI03
min. typ. max. min. typ. max. min. typ. max.
4.80 5.00 5.20 3.17 3.30 3.43 11.40 12.00 12.60
VIN=20V, IO=0.3A VIN=15V, IO=0.3A VIN=24V, IO=0.3A
80 75 88
VIN=20V, IO=0.3A VIN=15V, IO=0.3A VIN=24V, IO=0.3A
60 60 60
VIN=20V, IO=0.3A VIN=15V, IO=0.3A VIN=24V, IO=0.3A
80 100 60 80 100 130
VIN=10 to 30V, IO=0.3A VIN=8 to 28V, IO=0.3A VIN=18 to 30V, IO=0.3A
30 40 20 30 70 95
VIN=20V, IO=0.1 to 0.4A VIN=15V, IO=0.1 to 0.4A VIN=24V, IO=0.1 to 0.4A
±0.5 ±0.5 ±1.5
45 45 45
f=100 to 120HZf=100 to 120HZf=100 to 120HZ
0.55 0.55 0.45
VIN=10V VIN=8V VIN=18V
SAI Series
Surface-Mount, Separate Excitation Step-down Switching Mode
13
ICs
SAI Series
External Dimensions (PS4)
Block Diagram Typical Connection Diagram
(Unit : mm)
Ta-PD Characteristics
PD=VO•IO 100 –1 –VF•IO 1 VO
ηχ
VIN
A
3V
OS
4
.GND
2 SW
1V
IN
6.8
max.
4.0
max.
4.7
max.
2.54
±0.25
4.32
±0.2
8.0
±0.5
3.6
±0.2
1.4
±0.2
3.0
±0.2
9.8
±0.3
0 to 0.15
6.3
±0.2
1.0
±0.3
0.89
±0.15
0.25
0.75
+0.15
–0.05
0.3
+0.15
–0.05
SWOUT
VOS
VIN
4
GND
3
21
OSC
Reg.
OCP
Comp.
Reset
Drive
TSD
Amp.
VREF
V
IN
C
1
D
1
L1
3.3
V
5
V
: 200µH
12
V
: 300µH
100µF
C
2
330µF
V
IN
SJPB-D4
GND
GND
SAI
SW
OUT
V
OS
12
3
4
+ +
V
O
GND
(Sanken)
A Case Temperature Measuring Point
Pin Assignment
qVIN
wSWOUT
eVOS
rGND
Plastic Mold Package Type
Flammability: UL94V-0
Product Mass: Approx. 0.22g
The efficiency depends on the input voltage and the output
current. Therefore, obtain the value from the efficiency graph
and substitute the percentage in the formula above.
VO:Output voltage
IO:Output current
ηχ
:Efficiency (%)
VF:Diode D1 forward voltage
SJPB-D4-0.3V
Thermal design for D1 must be considered separately.
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
–30 0 25 50 75 100 125
Power Dissipation P
D
(W)
Ambient Temperature T
a
(°C)
• Glass epoxy
board
(95
×
69
×
1.2)
• Natural air cooling
14 ICs
1-1-3 DC/DC Converter ICs
Features
Surface-mount package (SOP8)
Output current: 0.6A
High efficiency: 75 to 80%
Requires only 4 discrete components
Internally-adjusted phase compensation and
output voltage adjustment performed internally
Built-in reference oscillator (60kHz)
Built-in overcurrent and thermal protection
circuits
Electrical Characteristics (Ta=25°C)
Unit
V
%
kHZ
mV
mV
mV/°C
dB
A
Parameter
Output Voltage
Efficiency
Oscillation Frequency
Line Regulation
Load Regulation
Temperature Coefficient of Output Voltage
Ripple Rejection
Overcurrent Protection Starting
Current
Symbol
VO
Conditions
η
Conditions
f
Conditions
VOLINE
Conditions
VOLOAD
Conditions
VO/Ta
RREJ
Conditions
IS1
Conditions
Absolute Maximum Ratings
Unit
V
W
°C
°C
°C/W
°C/W
Ratings
35
1
–30 to +125
–40 to +125
22
100
Symbol
VIN
PD
Tj
Tstg
θ
j-L
θ
j-a
Parameter
DC Input Voltage
Power Dissipation
Junction Temperature
Storage Temperature
Thermal Resistance (Junction to 7-Pin Lead)
Thermal Resistance (Junction to Ambient Air)
*1
Recommended Operating Conditions
Parameter
DC Input Voltage Range
Output Current Range
Operating Junction Temperature Range
Symbol
VIN
IO
Tjop
Unit
V
A
°C
Ratings
SI-8033W SI-8050W
5.3 to 28 7 to 33
0 to 0.6
–30 to +125
*1: Glass-epoxy board of 40 × 40mm (copper laminate area 4.3%)
Ratings
SI-8033W SI-8050W
min. typ. max. min. typ. max.
3.17 3.30 3.43 4.80 5.00 5.20
VIN=15V, IO=0.3A VIN=20V, IO=0.3A
75 80
VIN=15V, IO=0.3A VIN=20V, IO=0.3A
60 60
VIN=15V, IO=0.3A VIN=20V, IO=0.3A
60 80 80 100
VIN=8 to 28V, IO=0.3A VIN=10 to 30V, IO=0.3A
20 30 30 40
VIN=15V, IO=0.1 to 0.4A VIN=20V, IO=0.1 to 0.4A
±0.5 ±0.5
45 45
f=100 to 120HZf=100 to 120HZ
0.61 0.61
VIN=15V VIN=20V
Surface-Mount, Separate Excitation Step-down Switching Mode
SI-8000W Series
Applications
Power supplies for telecommunication equipment
Onboard local power supplies
15
ICs
SI-8000W Series
External Dimensions (SOP8)
Block Diagram
SW
V
OS
V
IN
5 to 8
GND
4
31
OSC
Reg.
OCP
Comp.
Reset
Drive
TSD
Amp.
V
REF
Typical Connection Diagram
VIN
C1
D1
L1
200µH
100µF
C2
330µF
VIN
SJPB-D4
(Sanken)
GND
GND
SI-8000W
SW
VOS
13
4
5 to 8
+ +
VO
GND
(Unit : mm)
Reference Data
Copper Laminate Area vs. Power Dissipation Copper Laminate Area vs. Thermal Resistance
θ
j-a
Power Dissipation P
D
(W)
Copper Laminate Area (mm
2
)
(GND Terminal)
10 100
1.2
1
0.8
0.6
0.4
0.2
01000
Tj=100°C Area of PC board : 40 × 40mm
Ta=25°C
Ta=50°C
Ta=80°C
Copper Laminate Area (mm
2
)
(GND Terminal)
10 100
140
120
100
80
60
40 1000
Area of PC board : 40 × 40mm
Thermal Resistance j-a (°C/W)
θ
Pin Assignment
qVIN
wN.C
eSW
rVOS
tGND
yGND
uGND
iGND
Plastic Mold Package Type
Flammability: UL94V-0
Product Mass: Approx. 0.1g
0.995max.
0.10
1.27
0.4
±0.1
0.4
±0.1
0.15
+0.1
5.1
±0.4
1.27
8765
1234
4.4
±0.2
1.5
±0.1
1.55
±0.15
0.05
±0.05
6.2
±0.3
0 to 10°
0.5
±0.1
–0.05
0.12 M
16 ICs
1-1-3 DC/DC Converter ICs
Lineup
Absolute Maximum Ratings
Unit
V
A
W
°C
°C
°C/W
°C/W
Ratings
43
1.5
3
+125
–40 to +125
3
33.3
Symbol
VIN
IO
PD
Tj
Tstg
θ
j-c
θ
j-a
Parameter
DC Input Voltage
Output Current
Power Dissipation*
Junction Temperature
Storage Temperature
Thermal Resistance (Junction to Case)
Thermal Resistance (Junction to
Ambient Air)
Part Number SI-8033JD SI-8050JD SI-8090JD SI-8120JD
VO(V) 3.3 5.0 9.0 12.0
IO(A) 1.5
Recommended Operating Conditions
Parameter
DC Input Voltage Range
DC Output Current Range*
Operating Junction Temperature Range
Operating Temperature Range*
Symbol
VIN1
VIN2
IO
Tjop
Top
Conditions
IO=0 to 1A
IO=0 to 1.5A
VINVO+3V
Ratings
SI-8033JD SI-8050JD SI-8090JD SI-8120JD
5.3 to 40 7 to 40 11 to 40 14 to 40
6.3 to 40 8 to 40 12 to 40 15 to 40
0 to 1.5
–30 to +125
–30 to +125
Features
Surface-mount package (TO263-5)
Output current: 1.5A
High efficiency: 77 to 88%
Requires only 4 discrete components
Internally-adjusted phase compensation and
output voltage
Capable of downsizing a choke-coil due to IC's
high switching frequency (125 kHz). (Com-
pared with conventional Sanken devices)
Built-in foldback-overcurrent and thermal
protection circuits
Output ON/OFF available (Circuit current at
output OFF: 200
µ
A max)
Soft start available by ON/OFF pin Conditions
Conditions
When mounted on glass-epoxy board 40 × 40 mm (copper
area 100%)
When mounted on glass-epoxy board 40 × 40 mm (copper
area 100%)
*: Limited by thermal protection circuit
Unit
V
A
°C
°C
*: Limited by Ta–PD characteristics
*: Pin 5 is the ON/OFF pin. Soft start at power on can be performed with a capacitor connected to
this pin.
The output can also be turned ON/OFF with this pin.
The output is stopped by setting the voltage of this pin to VSSL or lower.
ON/OFF-pin voltage can be changed with an open-collector drive circuit of a transistor.
When using both the soft-start and ON/OFF functions together, the discharge current from C3
flows into the ON/OFF control transistor. Therefore, limit the current securely to protect the
transistor if C3 capacitance is large.
The ON/OFF pin is pulled up to the power supply in the IC, so applying the external voltage is
prohibited.
SI-8000JD SI-8000JD
ON/OFF5 ON/OFF5 ON/OFF
C3C3
5
V
OUT.
ON/OFF Soft Start Soft Start
+V
OUT.
ON/OFF
SI-8000JD
Electrical Characteristics
Unit
V
%
kHZ
mV
mV
mV/°C
A
V
µ
A
mA
µ
A
Parameter
Output Voltage
Efficiency
Oscillation Frequency
Line Regulation
Load Regulation
Temperature Coefficient of Output Voltage
Overcurrent Protection
Starting Current
ON/OFF
*
Low Level Voltage
Pin
Outflow Current
at Low Voltage
Quiescent Circuit Current
Symbol
VO
Conditions
η
Conditions
f
Conditions
VOLINE
Conditions
VOLOAD
Conditions
VO/Ta
IS1
Conditions
VSSL
ISSL
Conditions
Iq
Conditions
Iq(oFF)
Conditions
(Ta=25°C)
Surface-Mount, Separate Excitation Step-down Switching Mode
SI-8000JD Series
Applications
Power supplies for telecommunication equipment
Onboard local power supplies, etc.
Ratings
SI-8033JD SI-8050JD SI-8090JD SI-8120JD
min. typ. max. min. typ. max. min. typ. max. min. typ. max.
3.234 3.30 3.366 4.90 5.00 5.10 8.82 9.00 9.18 11.76 12.00 12.24
VIN=15V, IO=0.5A VIN=20V, IO=0.5A VIN=21V, IO=0.5A VIN=24V, IO=0.5A
77 82 86 88
VIN=15V, IO=0.5A VIN=20V, IO=0.5A VIN=21V, IO=0.5A VIN=24V, IO=0.5A
125 125 125 125
VIN=15V, IO=0.5A VIN=20V, IO=0.5A VIN=21V, IO=0.5A VIN=24V, IO=0.5A
25 80 40 100 50 120 60 130
VIN=8 to 30V, IO=0.5A VIN=10 to 30V, IO=0.5A VIN=15 to 30V, IO=0.5A VIN=18 to 30V, IO=0.5A
10 30 10 40 10 40 10 40
VIN=15V, IO=0.2 to 0.8A VIN=20V, IO=0.2 to 0.8A VIN=21V, IO=0.2 to 0.8A VIN=24V, IO=0.2 to 0.8A
±0.5 ±0.5 ±1.0 ±1.0
1.6 1.6 1.6 1.6
VIN=15V VIN=20V VIN=21V VIN=24V
0.5 0.5 0.5 0.5
100 100 100 100
VSSL=0V
7777
VIN=15V, Io=0A VIN=20V, Io=0A VIN=21V, Io=0A VIN=24V, Io=0A
200 200 200 200
VIN=15V, VON/OFF=0.3V VIN=20V, VON/OFF=0.3V VIN=21V, VON/OFF=0.3V VIN=24V, VON/OFF=0.3V
17
ICs
SI-8000JD Series
External Dimensions (TO263-5) (Unit : mm)
Pin Assignment
qVIN
wSWOUT
eGND
rVOS
tON/OFF
Plastic Mold Package Type
Flammability: 94V-0
Product Mass: Approx. 1.48g
15.30
±0.3
(6.8)
9.2
±0.2
4.9
±0.2
(1.75)
(2×R0.45)
(1.7
±0.25
)(1.7
±0.25
)
0.8
±0.1
10.0
±0.2
(4.4)
(8.0)
(0.40)
2.54
±0.3
(4.6)
9.2±
±0.2
1.2
±0.2
4.9
±0.2
(0.75) 2.0
±0.1
15.3
±0.3
9.9
±0.2
Case temperature
measurement point
(15°)
(0.5)
2-R0.3
10.0
±0.02
3-R0.3
(R0.3)
(R0.3)
0.88
±0.10
1.5 Dp:
±0.2
φ
(1.7
±0.25
)
12345
(1.7
±0.25
)
0.8
±0.1
4.5
±0.2
1.3
0.10
±0.15
2.4
±0.2
+0.10
–0.05
(3°)(3°)
(3°)
(3°)(3°)
0 to 6°
Block Diagram Typical Connection Diagram
4
3
GND
2
VIN
ON/OFF
SWOUT
1
5
PReg. OCP
Reset
OSC
+
Comp.
Error Amp.
Latch &
Drive
TSD
ON/OFF
Soft
Start
VREF
+
V
IN
C
1
C
3
Di
L1
C
2
V
IN
GNDON/OFF
GND
SI-8000JD
SW
OUT
V
OS
12
4
35
+ +
V
OUT
GND
C1:50V/220
µ
F
C2:25V/470
µ
F
C3:10V/0.47
µ
F (Only when using soft-start function)
L1:100
µ
H
Di :SJPB-H6 (Sanken)
Reference Data
Copper Laminate Area on Glass Epoxy Board vs.
Thermal Resistance (Junction to Ambient Air) (Typical Value)
Output Current vs. Power Dissipation (Typical)
55
50
45
40
35
30
2.6
2.4
2.2
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
0 200
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6
400 600 800 1000
Copper Laminate Area (mm
2
)
Output Current I
O
(A)
V
IN
8V 20V
30V
40V
Thermal Resistance (junction to ambient air)
j-a (°C/W )
Power Dissipation
Pd (W)
1200 1400 1600 1800
With glass epoxy board of 40 × 40 mm
θ
Ta-PD Characteristics
The efficiency depends on the input voltage and the output current. Therefore, obtain the value
from the efficiency graph and substitute the percentage in the formula above.
VO:Output Voltage
VIN :Input Voltage
IO:Output Current
ηχ
:Efficiency (%)
VF:D1 forward voltage
0.4V(IO=2A)(SJPB-H6)
Thermal design for D1 must be considered separately.
3.5
3
2.5
2
1.5
1
0.5
0
–25 0 25 50 75 100 125
Power Dissipation P
D
(W)
Ambient Temperature T
a
(°C)
Copper Area
40×40 mm
( j-a : 33.3°C/W)
20×40 mm
( j-a : 37°C/W)
20×20 mm
( j-a :44°C/W)
10×10 mm
( j-a : 53°C/W)
θ
θ
θ
θ
PD=VO·IO 100 –1 –VF·IO 1 VO
ηχ
VIN
18 ICs
1-1-3 DC/DC Converter ICs
Surface-Mount, Separate Excitation Step-down Switching Mode
SI-8000TM Series
Absolute Maximum Ratings
Unit
V
W
°C
°C
°C/W
°C/W
Ratings
43
1.06
1.65
–30 to +150
–40 to +150
6
95
Symbol
VIN
PD1
PD2
Tj
Tstg
θ
j-c
θ
j-a
Parameter
DC Input Voltage
Power Dissipation
Junction Temperature*
Storage Temperature
Thermal Resistance (Junction to Case)
Thermal Resistance (Junction to
Ambient Air)
Features
Compact surface-mount package (TO252-5)
Output current: 1.5 A
High efficiency: 81% typ. (at Vo = 5 V)
Requires only 4 discrete components
Built-in reference oscillator (300 kHz)
Built-in drooping-type-overcurrent and thermal
protection circuits
Output ON/OFF available (circuit current at
output OFF: 200
µ
A typ.)
Soft start available by ON/OFF pin
Conditions
When mounted on glass-epoxy board (900 mm
2
copper area 4.3%)
When mounted on glass-epoxy board (900 mm
2
copper area 50%)
When mounted on glass-epoxy board (900 mm
2
copper area 4.3%)
*: This product has built-in thermal protection circuits that may operate when the junction temperature rises above
130°C.
The recommended design for the junction temperature during operation is below 125°C.
Applications
Onboard local power supplies
•AV equipment
•OA equipment
Recommended Operating Conditions
Parameter
Input Voltage Range
Output Voltage
Output Current Range
Operating Junction Temperature Range
Operating Temperature Range
Symbol
VIN
VO
IO
Tjop
Top
Ratings
SI-8008TM
V
O
+3*
1
to 40
0.8 to 24
0 to 1.5
–20 to +100
–20 to +85
Unit
V
V
A
°C
°C
*1: The minimum value of an input voltage range is the higher of 4.5 V or VO + 3 V.
Electrical Characteristics (Ta=25°C)
Parameter Symbol Unit
Rating
SI-8008TM
min.
0.784
1.6
typ.
0.800
V
IN
=15V, I
o
=0.1A
max.
0.816
80
Reference Voltage
Efficiency
Oscillation Frequency
Line Regulation
Load Regulation
Overcurrent Protection Starting Current
V
ADJ
V
OLOAD
Conditions
Conditions
Conditions
Conditions
Conditions
Conditions
Conditions
Conditions
Conditions
Conditions
±0.1
V
IN
=15V, I
o
=0.1A, T
c
=
0 to 100°C
81
V
IN
=15V, I
o
=0.5A
V
ADJ
/
T
η
10
V
SSL
=0V
0.5
40
10
V
IN
=15V, I
o
=0.2
to
1.5A
40
300
V
IN
=15V, I
o
=0.5A
fo
60
V
IN
=10
to
30V, I
o
=0.5A
V
OLINE
6
V
IN
=15V, I
o
=0A
V
IN
=15V
I
q
200
V
IN
=15V, V
SS
=0V
400
I
q (OFF)
V
SSL
I
SSL
I
S
V
mV/°C
%
kHz
mV
mV
A
V
µ
A
mA
µ
A
ON/OFF Pin*
Quiescent Circuit Current
Low Level Voltage
Outflow Current
at Low Voltage
Temperature Coefficient of
Reference Voltage
*: Pin 5 is the SS pin. Soft start at power on can be performed with a capacitor connected to this pin. The
output can also be turned ON/OFF with this pin.
The output is stopped by setting the voltage of this pin to VSSL or lower. SS-pin voltage can be changed
with an open-collector drive circuit of a transistor. When using both the soft-start and ON/OFF functions
together, the discharge current from C3 flows into the ON/OFF control transistor. Therefore, limit the
current securely to protect the transistor if C3 capacitance is large. The SS pin is pulled up to the power
supply in the IC, so applying the external voltage is prohibited. If the pin is not used, leave it open.
SI-8000TM SI-8000TM
SS5SS5SS
C3C3
5
V
O.
ON/OFF Soft start Soft start
+V
O.
ON/OFF
SI-8000TM
19
ICs
SI-8000TM Series
External Dimensions (TO252-5) (Unit : mm)
Block Diagram Typical Connection Diagram
C1:220µF
C2:470µF
C3:1µF(Only when using soft-start function)
L1:47µF
Di : SJPB-H6 (Sanken)
6.60
±0.20
5.34
±0.20
0.50
±0.10
2.30
±0.20
0.50
±0.10
(1.00)
12345
1.27 TYP 1.27 TYP
SEATING PLANE
0.00 to 0.127
1.10
±0.20
6.10
±0.20
2.70
±0.20
9.90
±0.30
(0.89)
0 to 8°
6.60
±0.20
5.34
±0.20
(5.04)
R0.325
(1.50)
(4.06)
2.70
±0.20
9.90
±0.30
0.50
±0.10
2.30
±0.20
1.18
±0.20
0.1
4
3
GND
2
IN
SS
SW
ADJ
1
5
PReg.
Overcurrent
Protection
Reset
OSC
+
Comp.
Error Amp.
Latch &
Drive
Thermal
Protection
ON/OFF
Soft Start
Reference Voltage
+
+
SI-8008TM
IN
C1
220µF
C3
Di
L47µH
L1
R1
R2 C2
470µF
VIN
GNDSS
GND
SI-8000TM
SW
IADJ
ADJ
12
4
35
+
+
VO
GND
Pin Assignment
qIN
wSW
eGND
rADJ
tSS
Plastic Mold Package Type
Flammability: UL94V-0
Product Mass: Approx. 0.33 g
20 ICs
1-1-3 DC/DC Converter ICs
NR110E/K
Surface-Mount, Current Mode Control Step-down Switching Mode
Electrical Characteristics (Ta=25°C, VIN=12V, VO=5.0V, and Io=1A, unless otherwise specified)
*: Pin 8 is the SS pin. Soft start at power on can be performed with a capacitor connected to this pin.
The SS pin is pulled up to the power supply in the IC, so applying the external voltage is prohibited.
SS8
C9
NR110E/K
Features
Compact surface-mount package
Input voltage range (VIN): VO + 3 to 31 V
Oscillation frequency: 30 kHz, 350 kHz, 364 kHz
High efficiency under light load
High efficiency: 94% or higher
Current mode control
Stable with low-ESR ceramic output capacitors
Built-in phase compensation component
Output current: 1.5 A, 2 A, 4 A
Reference voltage and accuracy of 0.8 V ± 2%
Overcurrent protection function that can be
adjusted externally
Output ON/OFF available
Undervoltage lockout
Soft start function
Applications
Power supply for LCDTV, STB and Blu-Ray
Power supplies for domestic appliances
On-board local power supply
Switching power supplies
Absolute Maximum Ratings
*: The minimum value of the input voltage range is indicated value or VO + 3 V, whichever is higher.
**: The device must be used within the range indicated by the Ta-PD characteristics.
Input Voltage VIN 35 35 35 35 V
BS Pin Voltage VBS 44 44 44 44 V
Pin Voltage between BS and SW
VBS-SW 8 8 8 8 V
SW Pin Voltage VSW 35 35 35 35 V
FB Pin Voltage VFB 5.5 5.5 5.5 5.5 V
EN Pin Voltage V
EN
35 35 35 35 V
SS Pin Voltage VSS 5.5 5.5 5.5 5.5 V
Power Dissipation PD 1.69 1.76 1.69 1.76 W
Junction Temperature Tj –40 to 150 –40 to 150 –40 to 150 –40 to 150 °C
Storage Temperature Tstg –40 to 150 –40 to 150 –40 to 150 –40 to 150 °C
Thermal Resistance (Junction to Lead (4 pins))
j-c 40 26 40 26 °C/W
Thermal Resistance (Junction to Ambient Air)
j-a 74 71 74 71 °C/W
NR110K NR111E NR117K NR119E
When mounted on 30 × 30 mm glass-epoxy
board (with a 25 × 25 mm copper area)
When mounted on 30 × 30 mm glass-epoxy
board (with a 25 × 25 mm copper area)
Input Voltage Range V
IN
8.0 or V
o
+3* to 31 6.5 or V
o
+3* to 31 8.0 or V
o
+3* to 31 6.5 or V
o
+3* to 31 V
Output Current Range I
OUT
0 to 4.0** 0 to 4.0** 0 to 1.5** 0 to 2.0** A
Output Voltage Range V
o
0.8 to 24 0.8 to 24 0.8 to 24 0.8 to 24 V
Operating Temperature Range
T
op
–40 to 85** –40 to 85** –40 to 85** –40 to 85**
Parameter Symbol Ratings Unit
NR110K NR111E NR117K NR119E
Reference Voltage V
REF
0.784 0.8000 0.816 0.784 0.8000 0.816 0.784 0.8000 0.816 V
Temperature Coefficient of Reference Voltage
V
REF
/ T
±0.05 ±0.05 ±0.05 mV/°C Ta=–40°C to +85°C
Oscillation Frequency f
SW
350 364 30 kHz
Line Regulation V
LINE
50 50 50 mV V
IN
=VINmin to 30V
Load Regulation V
Load
50 50 50 mV V
IN
=12V, V
o
=5.0V, I
O
=0.1 to I
omax
Overcurrent Protection I
s
1 1.5 0.9 0.3 A ISET=OPEN
Starting Current I
s
2 5.5 2.8 2.1 A ISET=SHORT
No-load Circuit Current I
IN
1 1 1 mA V
EN
=10k pull up to V
IN
Quiescent Circuit Current I
IN(off)
1 1 1 µA Io=0A, V
EN
=0V
SS Pin
Outflow Current at Low Voltage
I
EN/SS
6 10 14 6 10 14 6 10 14 µA V
SS
=0V
EN Pin Inflow Current I
EN
20 50 20 50 20 50 µA V
EN
=10V
On Threshold Voltage
V
C/EH
0.7 1.4 2.1 0.7 1.4 2.1 0.7 1.4 2.1 V
ISET Pin Open Voltage V
ISET
1.5 1.5 1.5 V
Maximum ON Duty D
MAX
90 90 90 %
Minimum ON Time T
ON(MIN)
150 150 150 nsec
Thermal Protection Start Temperature
TSD 151 165 151 165 151 165 °C
Thermal Protection Return Hysteresis
TSD_hys 20 20 20 °C
SW MOSFET ON Resistance R
on
H 85 150 150 m
Ratings
Parameter Symbol NR110K/NR111E NR119E NR117K Unit Conditions
min. typ. max. min. typ. max. min. typ. max.
Recommended Operating Conditions
21
ICs
NR110E/K
External Dimensions
Pin Assignment
qBS
wVIN
eSW
rGND
tFB
yISET
uEN
iSS
*: The heat slug on the rear
side is at the ground
potential.
Plastic Mold Package Type
Flammability: UL 94V-0
Product Mass: Approx. 0.1g
(Unit : mm)
Block Diagram
Typical Connection Diagram
µ
µ
µ
µ
µ
µ
µ
µ
NR111E NR119E
(eSOIC8)
NR110K NR117K
(HSOP8)
External Dimensions (NR111E/NR119E)
Delivered in Package A or B.
Symbol Package A Package B
MIN TYP MAX MIN TYP MAX
A1 0 – 0.1524 0 0.1 0.15
A2 1.398 1.448 1.498 1.25 1.4 1.65
0.33 – 0.508 0.38 – 0.51
D 4.8 4.902 5.004 4.8 4.9 5
D1 3.053 3.18 3.307 3.1 3.3 3.5
E 5.893 – 6.918 5.8 6 6.2
E1 3.73 3.89 3.8 3.9 4
E2 2.033 2.16 2.287 2.2 2.4 2.6
– 1.27 – – 1.27
0.508 – 0.762 0.45 0.6 0.8
A2
A1 0.10
D
E
D1
L
eb
E1 E2
4.40
1.50
0.695 TYP
5.20
A
1.27 0.40 0.4
0.15
Pin 1
Mark
6.20
2.90
2.70
P.REG
Current
Sense
Amp
OSC
Drive
REG
PWM
LOGIC
BS
SW
FB
ISET
EN
Err Amp
IN
0.8V
7
6
5
3
1
2
GND 48
SS
OCP
ON/
OFF
VREF 0.8V
UVLO
SS
TSD
Compensation
ISET
OCP_REF
OCP_REF
OVP FB
FB
V
o
V
IN
C1
D1
C10
L1
C4
R5
R6
C9
R1
GND
GND
SW
V
IN_S
V
o_s
IN BS
SW
SS
GND ISET
FB
EN
1
3
4
7
2
8
6
5
R3
R4
C2
C5
R7
NR111E
22 ICs
1-1-3 DC/DC Converter ICs
Electrical Characteristics
Unit
V
mV/
%
kHz
mV
mV
A
mA
µA
µA
V
µA
V
%
nsec
Reference Voltage
Temperature Coefficient of Reference Voltage
Efficiency
Oscillation Frequency
Line Regulation
Load Regulation
Overcurrent Protection Starting Current
Quiescent Circuit Current 1
Quiescent Circuit Current 2
SS Pin
Outflow Current at Low Voltage
Open Voltage
EN Pin Inflow Current
On Threshold Voltage
Maximum ON Duty
Minimum ON Time
Thermal Protection Start Temperature
Thermal Protection Return Hysteresis
(Ta=25°C, VIN=12V, VO=3.3V, and Io=1A, unless otherwise specified)
Ratings
min. typ. max.
0.784 0.800 0.816
±0.05
90
280 350 420
50
50
3.1 6.0
6
010
61014
3.0
50 100
0.7 1.4 2.1
90
150
151 165
20
*: Pin 8 is the SS pin. Soft start at power on can be performed with a capacitor connected to this pin.
The SS pin is pulled up to the power supply in the IC, so applying the external voltage is prohibited.
SS8
C9
NR885K
NR885E
NR885K/NR885E
Features
Compact surface-mount package
Input voltage range (VIN): VO + 3 to 18 V
Synchronous rectifier mode
High efficiency: 90%
Current mode control
Stable with low-ESR ceramic output capacitors
Built-in phase compensation component
Output current: 3 A
Reference voltage and accuracy of 0.8 V ± 2%
Oscillation frequency: 350 kHz
Output ON/OFF available
Undervoltage lockout
Soft start function
Applications
Power supply for LCDTV and PDP
Power supply for DVD, BD, and STB
On-board local power supply
Switching power supplies
Surface-Mount, Current Mode Control, Synchronous Rectifier Step-down Switching Mode
Absolute Maximum Ratings
Recommended Operating Conditions
Unit
V
W
°C
°C
°C/W
°C/W
NR885K
20
1.69
–40 to +150
–40 to +150
40
74
Symbol
VIN
PD
Tj
Tstg
θ
j-c
θ
j-a
Parameter Conditions
When mounted on 70 × 60 mm glass-epoxy
board (with a 1310 mm
2
copper area)
Unit
V
A
V
°C
Ratings
4.5 or VO + 3* to 18
03.0
0.8 to 14
–40 to +85
Parameter
Input Voltage Range
Output Current Range
Output Voltage Range
Operating Temperature Range
*: The minimum value of the input voltage range is 4.5 V or VO + 3 V, whichever is higher.
η
When mounted on 70 × 60 mm glass-epoxy
board (with a 1310 mm
2
copper area)
Input Voltage
Power Dissipation
Junction Temperature
Storage Temperature
Thermal Resistance (Junction to Lead (4 pins))
Thermal Resistance
(Junction to Ambient Air)
NR885E
20
1.50
–40 to +150
–40 to +150
26
71
Ratings
23
ICs
External Dimensions
Pin Assignment
qBS
wVIN
eSW
rGND
tFB
yNC
uEN
iSS
*: The heat slug on the rear
side is at the ground
potential.
Plastic Mold Package Type
Flammability: UL 94V-0
Product Mass: Approx. 0.1g
(Unit : mm)
Block Diagram
Typical Connection Diagram
C1, C2: 10µF/25V
C4, C5: 22µF/16V
C9: 0.1µF
C10: 0.1µF
L1: 10µH
R3: 20 to 47
R4+R5: 5k (VO=3.3V)
R6: 1.6k
7
6
4
EN
3.5V
5V
0.8V
3.5V
0.8V
5V
Error Amp
10uA
NC
GND
ON/
OFF
OSC
OCP
+
+
+
-
-
Current
Sense
PWM
LOGIC
SS
FB
SW
BS
IN
SS
8
5
3
1
2
Compensation
Drive
REG
Σ
P.REG
VREF
TSD
UVLO
NR885K
NR885E
VIN
C1
C9
7
21
3
5
R3
L1
R4
R5
R6
Option
D1
C4 C5
Vout
BSVIN SW
FB
SS
EN
NCGND
C10
8
46
C2
NR885K/NR885E
NR885K
(HSOP8)
NR885E
(eSOIC8)
Symbol Package A Package B
MIN TYP MAX MIN TYP MAX
A1 0 – 0.1524 0 0.1 0.15
A2 1.398 1.448 1.498 1.25 1.4 1.65
0.33 – 0.508 0.38 – 0.51
D 4.8 4.902 5.004 4.8 4.9 5
D1 3.053 3.18 3.307 3.1 3.3 3.5
E 5.893 – 6.918 5.8 6 6.2
E1 3.73 3.89 3.8 3.9 4
E2 2.033 2.16 2.287 2.2 2.4 2.6
– 1.27 – – 1.27
0.508 – 0.762 0.45 0.6 0.8
NR885E
Delivered in Package A or B.
A2
A1 0.10
D
E
D1
L
eb
E1 E2
4.40
1.50
0.695 TYP
5.20
A
1.27 0.40 0.4
0.15
Pin 1
Mark
6.20
2.90
2.70
24 ICs
1-1-3 DC/DC Converter ICs
SI-8205NHD/SI-8205NHG
Absolute Maximum Ratings
Electrical Characteristics
Features
Compact surface-mount (HSOP8) package
Wide input voltage range (VIN): Vo + 3 to 43 V
Synchronous rectifier mode
Output current: 3 A
Reference voltage and accuracy of 0.5 V ±1%
Oscillation frequency
SI-8205NHD
Externally adjusted frequency type: 200 kHz to 1 MHz
SI-8205NHG
Externally synchronized frequency type: 300 kHz to 1 MHz
Stable with low-ESR ceramic output capacitors
Output can be disabled
Undervoltage lockout
Soft start function
Applications
Power supply for LCD module
Power supply for notebook PC
Onboard local power supplies
Power supply for LBP/PPC
(Ta = 25°C and fo = 500kHz, unless otherwise specified)
Surface-Mount, Current Mode Control, Synchronous Rectifier Step-down Switching Mode
Recommended Operating Conditions
*: The minimum value of the input voltage range is 8 V or Vo + 3V, whichever is higher.
Parameter
Input Voltage (VIN Pin)
SYNC Pin Voltage
Power Dissipation
Junction Temperature
Storage Temperature
Thermal Resistance (Junction to Lead <1 pin>)
Thermal Resistance (Junction to Ambient Air)
Conditions
×
×
×
×
Unit
V
V
W
°C
°C
°C/W
°C/W
SI-8205NHD
46
1.35
–40 to +150
–40 to +150
40
74
Symbol
VIN
VSYNC
PD
Tj
Tstg
SI-8205NHG
46
5.5
1.35
–40 to +150
–40 to +150
40
74
Ratings
Parameter
Input Voltage Range
SYNC Pin Voltage Range
Output Current Range
Output Voltage Range
Externally Synchronized Frequency Range
Operating Temperature Range
Unit
°C
+ to
to
to
to +
Symbol
+ to
to
to
to
to
to +
Ratings
Reference Voltage V
REF
0.495 0.5000 0.505 0.495 0.5000 0.505
V
Conditions V
IN
=12V, I
O
=1.0A V
IN
=14V, I
O
=1.0A
Temperature Coefficient of V
REF
/T ±0.05 ±0.05
mV/°C
Reference Voltage Conditions V
IN
=12V, I
O
=1.0A, Ta=–40 to +85°C V
IN
=14V, I
O
=1.0A, Ta=–40 to +85°C
Efficiency 90 90
%
Conditions V
IN
=12V, Vo=5V, I
O
=1.0A V
IN
=14V, Vo=5V, I
O
=1.0A
Oscillation Frequency 1 fo1 200
kHz
Conditions V
IN
=12V, Vo=5V, Io=1A, Rfset=375k
Oscillation Frequency 2 fo2 1
MHz
Conditions V
IN
=12V, Vo=5V, Io=1A, Rfset=75k
Internal Oscillation Frequency fo 250
kHz
Conditions V
IN
=14V, Vo=5V, I
O
=1.0A SYNC=GND
Line Regulation
V
oLINE
50 50
mV
Conditions V
IN
=8 to 43V, Vo=5V, Io=1A V
IN
=8 to 43V, Vo=5V, Io=1A
Load Regulation V
oLoad
50 50
mV
Conditions V
IN
=12V, Vo=5V, Io=0.1 to 3.0A V
IN
=12V, Vo=5V, Io=0.1 to 3.0A
Overcurrent Protection I
s
3.1 6 3.1 6
A
Starting Current Conditions V
IN
=12V, Vo=5V V
IN
=14V, Vo=5V
Quiescent Circuit Current 1 I
IN
8 12
mA
Conditions V
IN
=12V, Vcomp=0V V
IN
=14V, Vcomp=0V
Quiescent Circuit Current 2 I
IN(off)
40 35
A
Conditions V
IN
=12V, V
EN/SS
=0V V
IN
=14V, V
EN/SS
=0V
Outflow Current I
EN/SS
5 5
A
at Low Voltage Conditions V
EN/SS
=0V, V
IN
=12V V
EN/SS
=0V, V
IN
=12V
EN/SS Open Voltage V
SSH
3 4.5 6 3 4.5 6
V
Pin Conditions V
IN
=12V V
IN
=14V
On Threshold Voltage V
C/EH
0.6 1.3 2.0 0.6 1.3 2.0
V
Conditions V
IN
=12V V
IN
=14V
Synchronization V
SYNC
1.85
V
SYNC Threshold Voltage Conditions V
IN
=14V, Vo=5V, I
O
=1.0A
Pin Synchronization F
SYNC
300 1000.0
kHz
Frequency Conditions V
IN
=14V, Vo=5V, I
O
=1.0A
OVP Start Voltage V
OVP
0.57 0.60 0.63 V
Thermal Protection Start Temperature
Tj 151 160 151 160 °C
Error Amplifier Voltage Gain AEA 800 800 V/V
Error Amplifier Transformer Conductance
GEA 800 800 A/V
Current Sense Amplifier Impedance
GCS 3.33 3.33 A/V
Maximum ON Duty DMAX 80 90 90
%
Conditions V
IN
=12V V
IN
=12V
Minimum ON Time DMIN 150 250
nsec
Conditions V
IN
=12V V
IN
=12V
Ratings
Parameter Symbol SI-8205NHD SI-8205NHG Unit
min. typ. max. min. typ. max.
25
ICs
SI-8205NHD/SI-8205NHG
(Unit : mm)
4.40
1.50
0.695 TYP
5.20
A
Enlarged View of A
1.27
0.40
0.4
0.05±0.05
0.15
0.08±0.08
Pin 1 Mark
6.20
2.90
2.70
C1:10
µ
F/50V×2
C2:22
µ
F/16V×2
C3:270pF*1
C4:10
µ
F
C5:1
µ
F
L1:10
µ
H
Pin Assignment
SI-8205NHD
q
w
e
r
t
y
u
i
*: The heat slug on the rear side is at the
ground potential.
Plastic Mold Package Type
Flammability : UL 94V-0
Product Mass : Approx. 0.1 g
External Dimensions (HSOP8)
Block Diagram
Typical Connection Diagram
*1: When Vo-5V
SI-8205NHG
q
w
e
r
t
y
u
i
SI-8205NHD SI-8205NHG
SI-8205NHD SI-8205NHG
REG DRV_REG
REG_UVLO VIN_UVLO
OCP_CMP
CUR_SUS
H/S
Drv
Level
Shift
Level
Shift L/S
Drv
+
M1
M2
Phase_
logic
GATE_logic
PWR_stage
Control_logic
TSD
OVP_CMP
Err_AMP
OSC_RAMP
CUR_COMP
EN_SS
REF
REG
BG
OVT
PH Open
OVP
Rnf
SS_Rnf
INIT OVP
REG
REG
REG
REG_BIAS
REG_DRV
OVC
BC
STANDBY
REG_BIAS
STANDBY
SS_Ref BG Ref
FB
STANDBY
STANDBY
REG
REG
REG REG_DEV REG_DEV
REG
Phase
LSoft
LSoft
BS_CHG
REG
OVT
VinOK
RegOK
Set PH
Res PH
INIT PH
INIT CC
Fere_Off
VinOK
VinOK
VinOK
RegOK
VinOK
Set PH
Fere Off
Ramp
REG
REG
REG
REG
INIT_COMP
LSon
ICSpwm
ICSocp
ISNS
REG DRV_REG
REG_UVLO
VIN_UVLO
OCP_CMP
CUR_SUS
H/S
Drv
Level
Shift
Level
Shift
L/S
Drv
+
M1
M2
Phase_
logic
GATE_logic
PWR_stage
Control_logic
TSD
Err_AMP
OSC_RAMP
CUR_COMP
EN_SS
REF
REG
BG
OVT
PH Open
Ref
SS_Ref
REG
REG
REG_BIAS
REG_DRV
OVC
BG
STANDBY
REG_BIAS
STANDBY
SS_Ref BG Ref
FB
STANDBY
STANDBY
REG
REG
REG REG_DRV REG_DRV
REG
Phase
LSoft
LSoff
Szse
1
CBchg
BS_CHG
REG
OVT
VinOK
RegOK
Set PH
Res PH
INIT PH
INIT CC
Fere_Off
VinOK
VinOK
VinOK
RegOK
VinOK
Set PH
Fere Off
Ramp
REG
REG
REG
REG
C1
C5
C6
Open
C3
R3
R5
R1
R2
D1
C4
C2
L1
SI-8205NHG
VIN BS
SW
FB
COMPGND
EN/SS
SYNC
2
4
37
8
6
5
1
GND
VIN
GND
V
O
C1
C5 R4
C6
Open
C3
R3
R5
R1
R2
D1
C4
C2
L1
SI-8205NHD
VIN BS
SW
FB
COMPGND
EN/SS
FSET
2
4
37
8
6
5
1
GND
VIN
GND
V
O
R1:9k*1
R2:1k
R3:51k*1
R4:150k
R5:47
C1:10
µ
F/50V×2
C2:22
µ
F/16V×2
C3:270pF*1
C4:0.1
µ
F
C5:1
µ
F
L1:10
µ
H
R1:9k*1
R2:1k
R3:51k*1
R5:20 to 47
26 ICs
1-1-3 DC/DC Converter ICs
Features
Surface-mount package (TO263-5)
Output current: 3.0A
High efficiency: 79% typ. (SI-8033SD), 84%
typ. (SI-8050SD)
Requires only 4 discrete external components
Internally-adjusted phase compensation and
output voltage
Built-in reference oscillator (60kHz)
Built-in overcurrent and thermal protection
circuits
Output ON/OFF available
Soft start available by S.S pin
Lineup
Absolute Maximum Ratings
Unit
V
W
°C
°C
°C/W
°C/W
Ratings
43*1
3
+125
–40 to +125
3
33.3
Symbol
VIN
PD
Tj
Tstg
θ
j-c
θ
j-a
Parameter
DC Input Voltage
Power Dissipation*2
Junction Temperature
Storage Temperature
Thermal Resistance (Junction to Case)
Thermal Resistance
(Junction to Ambient Air)
Part Number SI-8033SD SI-8050SD
VO (V) 3.3 5.0
IO (A) 3
Conditions
When mounted on glass-epoxy board 40 × 40 mm
(copper area: 100%)
When mounted on glass-epoxy board 40 × 40 mm
(copper area: 100%)
*1: 35V for SI-8033SD
*2: Limited by thermal protection circuit.
Electrical Characteristics
Unit
V
%
kHZ
mV
mV
mV/°C
A
V
µ
A
Parameter
Output Voltage
Efficiency
Oscillation Frequency
Line Regulation
Load Regulation
Temperature Coefficient of Output Voltage
Overcurrent Protection
Starting Current
Soft
Low-Level Voltage
Start Pin*Outflow Current at
Low Voltage
Symbol
VO
Conditions
η
Conditions
f
Conditions
VOLINE
Conditions
VOLOAD
Conditions
VO/Ta
IS1
Conditions
VSSL
ISSL
Conditions
(Ta=25°C)
Parameter
DC Input Voltage Range
Output Current Range*
Operating Junction Temperature Range
Operating Temperature Range*
Symbol
VIN1
IO
Tjop
Top
Ratings
SI-8033SD SI-8050SD
5.5 to 28 7 to 40
0 to 3.0
–30 to +125
–30 to +125
Unit
V
A
°C
°C
*: Limited by Ta-PD characteristics.
Recommended Operating Conditions
* Pin 5 is a soft start pin. Soft start at power on can be performed with a capacitor connected to
this pin.
The output can also be turned ON/OFF with this pin.
The output is stopped by setting the voltage of this pin to VSSL or lower.
Soft-start pin voltage can be changed with an open-collector drive circuit of a transistor.
When using both the soft-start and ON/OFF functions together, the discharge current from C3
flows into the ON/OFF control transistor. Therefore, limit the current securely to protect the
transistor if C3 capacitance is large.
The ON/OFF pin is pulled up to the power supply in the IC, so applying the external voltage is
prohibited.
If this pin is not used, leave it open.
Ratings
SI-8033SD SI-8050SD
min. typ. max. min. typ. max.
3.17 3.3 3.43 4.8 5.0 5.2
VIN=15V, IO=1A VIN=20V, IO=1A
79 84
VIN=15V, IO=1A VIN=20V, IO=1A
60 60
VIN=15V, IO=1A VIN=20V, IO=1A
25 80 40 100
VIN=8 to 28V, IO=1A VIN=10 to 30V, IO=1A
10 30 10 40
VIN=15V, IO=0.5 to 1.5A VIN=20V, IO=0.5 to 1.5A
±0.5 ±0.5
3.1 3.1
VIN=15V VIN=20V
0.2 0.2
20 30 40 20 30 40
VSSL=0.2V
Surface Mount, Separate Excitation Step-down Switching Mode
SI-8000SD Series
Applications
Power supplies for telecommunication equipment
Onboard local power supplies
SI-8000SD SI-8000SD
ON/OFF5 ON/OFF5 ON/OFF
C3C3
5
V
OUT.
ON/OFF Soft start Soft start
+V
OUT.
ON/OFF
SI-8000SD
27
ICs
SI-8000SD Series
External Dimensions (TO263-5) (Unit : mm)
Pin Assignment
qVIN
wSWOUT
eGND
rVOS
tS.S
Plastic Mold Package Type
Flammability: 94V-0
Product Mass: Approx. 1.48g
(0.40)
2.54
±0.3
(4.6)
9.2±
±0.2
1.2
±0.2
4.9
±0.2
(0.75) 2.0
±0.1
15.3
±0.3
9.9
±0.2
Case temperature
measurement point
(15°)
(0.5)
2-R0.3
10.0
±0.02
3-R0.3
(R0.3)
(R0.3)
0.88
±0.10
1.5 Dp:
±0.2
φ
(1.7
±0.25
)
12345
(1.7
±0.25
)
0.8
±0.1
4.5
±0.2
1.3
0.10
±0.15
2.4
±0.2
+0.10
–0.05
(3°)(3°)
(3°)
(3°)(3°)
0 to 6°
15.30
±0.3
(6.8)
9.2
±0.2
4.9
±0.2
(1.75)
(2×R0.45)
(1.7
±0.25
)(1.7
±0.25
)
0.8
±0.1
10.0
±0.2
(4.4)
(8.0)
Block Diagram
4
35
GNDS.S
2
V
IN
SW
OUT
V
OS
1
Reset Latch & driver
Thermal
protection
Oscillator
Comparator
Error
amplifier
Internal power
supply
Overcurrent
protection
Reference voltage
Reference Data
Copper Laminate Area on Glass Epoxy Board vs.
thermal resistance (junction to ambient air) (Typical Value)
55
50
45
40
35
300200 400 600 800 1000
Copper Laminate Area (mm
2
)
Thermal resistance (junction to ambient air)
j-a (°C/W)
1200 1400 1600 1800
With glass epoxy board of 40 × 40 mm
θ
Typical Connection Diagram
V
IN
C
1
C
3
D1
L1
C
2
V
IN
GNDS.S
GND
SI-8000SD
SW
OUT
V
OS
12
4
35
+ +
V
OUT
GND
Diode D1
Be sure to use Schottky-barrier diode as D1.
If other diodes like fast recovery diodes are used, ICs may be destroyed because of the reverse voltage generated by the recovery voltage or ON
voltage.
Choke coil L1
If the winding resistance of the choke coil is too high, the efficiency may drop below the rated value.
As the overcurrent protection starting current is about 3.5 A, take care concerning heat radiation from the choke coil caused by magnetic saturation
due to overload or short-circuited load.
Capacitors C1, C2, and C3
As large ripple currents flow through C1 and C2, use high-frequency and low-impedance capacitors aiming for switching-mode-power-supply use.
Especially when the impedance of C2 is high, the switching waveform may become abnormal at low temperatures.
For C2, do not use a capacitor with an extremely low equivalent series resistance (ESR) such as an OS capacitor or a tantalum capacitor, which may
cause an abnormal oscillation.
•C
3 is a capacitor for soft start. Leave pin 5 open if the soft start function is not used.
This pin is pulled up with a pull-up resistor inside the ICs.
To create the optimum operating conditions, place the components as close as possible to each other.
C1:50V/1000
µ
F
C2:50V/1000
µ
F
C3:0.01
µ
F
(only when soft start function is used)
L1:150
µ
H
D1:SJPB-L6 (Sanken)
28 ICs
1-1-3 DC/DC Converter ICs
Features
Surface-mount 16 pin package
Output current: 3.0A
High efficiency: 91% (at VIN = 10V, lO = 1A, VO
= 5V)
Capable of downsizing a choke-coil due to IC's
high switching frequency (250kHz). (Com-
pared with conventional Sanken devices)
The output-voltage-variable type can vary its
output voltage from 1V to 14V because of its
low reference voltage (Vref) of 1V.
•Wide Input Voltage Range (8 to 50V)
Output ON/OFF available
Built-in overcurrent and thermal protection
circuits
Absolute Maximum Ratings
Unit
V
W
°C
°C
°C/W
°C/W
Ratings
53
2.4
+125
–40 to +125
18
50
Symbol
VIN
PD*1, *2
Tj
Tstg
θ
j-c*2
θ
j-a*2
Parameter
DC Input Voltage
Power Dissipation
Junction Temperature
Storage Temperature
Thermal Resistance (junction to case)
Thermal Resistance (junction to ambient air)
(Ta=25°C)
Parameter
DC Input Voltage Range
Output Voltage Range
Output Current Range*2
Operating Junction Temperature Range
Operating Temperature Range
Symbol
VIN
VO
IO
Tjop
Top
Ratings
SPI-8010A
(8 or Vo+3)*1 to 50
1 to 14
0.02 to 3.0*2
–30 to +125
–30 to +125
*1: The minimum value of an input voltage range is the higher of either 8V or VO+3V.
*2: Please be sure to let the output current run more than 20 mA. When using by less than 20 mA, there is a possibility that the output voltage becomes unstable.
Recommended Operating Conditions
*1: Limited due to thermal protection.
*2: When mounted on glass-epoxy board 700cm2 (copper laminate area 30.8cm2).
Electrical Characteristics
Unit
V
%
kHZ
mV
mV
mV/°C
A
mA
µ
A
V
µ
A
Parameter
Reference Voltage
Efficiency
Oscillation Frequency
Line Regulation
Load Regulation
Temperature Coefficient of
Reference Voltage
Overcurrent Protection
Starting Current
Quiescent Circuit Current
Circuit Current at Output OFF
CE/SS
Low Level Voltage
Terminal
Outflow Current at
Low Voltage
Symbol
VREF
Conditions
Eff
Conditions
FOSC
Conditions
VOLINE
Conditions
VOLOAD
Conditions
VREF/Ta
IS
Conditions
Iq
Conditions
Iq(off)
Conditions
VSSL
ISSL
Conditions
(Ta=25°C)
* Pin 4 is the CE/SS pin. Soft start at power on can be performed with a capacitor connected to
this pin. The output can also be turned ON/OFF with this pin. The output is stopped by setting
the voltage of this pin to VSSL or lower. CE/SS-pin voltage can be changed with an open-
collector drive circuit of a transistor. When using both the soft-start and ON/OFF functions
together, the discharge current from C4 flows into the ON/OFF control transistor. Therefore,
limit the current securely to protect the transistor if C3 capacitance is large.
The CE/SS pin is pulled up to the power supply in the IC, so applying the external voltage is
prohibited.
Ratings
SPI-8010A (Variable type)
min. typ. max.
0.97 1.00 1.03
VIN=12V, IO=1A
86
VIN=20V, IO=1A, VO=5V
250
VIN=12V, IO=1A
20 40
VIN=10 to 30V, IO=1A
10 30
VIN=12V, IO=0.1 to 1.5A
±0.5
3.1
VIN=12V
7
VIN=12V, IO=0A
400
VIN=12V, VON/OFF=0.3V
0.5
50
VSSL=0V
Surface Mount, Separate Excitation Step-down Switching Mode
SPI-8000A Series
Applications
Onboard local power supplies
•OA equipment
For stabilization of the secondary-side output voltage of switching power supplies
SPI-8000A SPI-8000A
CE/SS4 CE/SS4 CE/SS
C4C4
4
V
O.
ON/OFF Soft start Soft start
+V
O.
ON/OFF
SPI-8000A
Unit
V
V
A
°C
°C
29
ICs
SPI-8000A Series
External Dimensions (HSOP16) (Unit : mm)
Block Diagram
18
10.5±0.2
16 9
16 9
(11)
12.2±0.2
1.27±0.25 0.4+0.15/-0.05
0.25+0.15/-0.05
(Gate remains: Not included in dimensions)
18
SS0.10
2.75MAX
2.5±0.2
2.0+0.2/-0.08
10.5±0.3
(2)
(4.5)
7.5±0.2
1+0.1/-0.05
(Heatsink thickness)
CE/SS
UVLO OCP
P.REG
OSC PWM
LOGIC
CE/SS
TSD
Reg
Comp
GND
1V
Boot REG
DRIVE
BS
SW
OUT
V
REF
V
IN
+
-
+
-
Amp
SPI-8010A
Pin Assignment
1.AGND
2.N.C
3.DGND
4.CE/SS
5.Reg
6.N.C
7.SWOUT
8.N.C
9.N.C
10.N.C
11.VIN
12.B.S
13.N.C
14.Comp
15.VREF
16.N.C
Product Mass : Approx 0.86g
30 ICs
1-1-3 DC/DC Converter ICs
Ta-PD Characteristics
Typical Connection Diagram
SPI-8010A
C1: 220
µ
F/63V
C2: 470
µ
F/25V
C3: 0.1
µ
F
C4: 1000pF
C5: 0.1
µ
F
C6: 0.047
µ
F
C7: 0.1
µ
F
C8: 0.1
µ
F
R1: 47
L1: 47
µ
H
D1: SJPB-L6
(Sanken)
Diode D1
Be sure to use a Schottky-barrier diode for D1. If other diodes like fast recovery diodes are used, ICs may be destroyed because of the reverse voltage
generated by the recovery voltage or ON voltage.
Choke coil L1
If the winding resistance of the choke coil is too high, the efficiency may drop below the rated value.
As the overcurrent protection starting current is about 4.5A, take care concerning heat radiation from the choke coil caused by magnetic saturation due to
overload or short-circuited load.
Capacitors C1, C2
As large ripple currents flow through C1 and C2, use high-frequency and low-impedance capacitors aiming for switching-mode-power-supply use. Especially
when the impedance of C2 is high, the switching waveform may become abnormal at low temperatures. For C2, do not use a capacitor with an extremely low
equivalent series resistance (ESR) such as an OS capacitor or a tantalum capacitor, which may cause an abnormal oscillation.
Resistors R2, R3
•R2 and R3 are the resistors to set the output voltage. Set their values so that IREF becomes approx. 2mA. Obtain R2 and R3 values by the following formula:
To create the optimum operating conditions, place the components as close as possible to each other.
Reg
CE/SS
53
4
VIN SWOUT
VREF
VIN
GND
V0
GND
11
C5
Comp
14
12
C6
C3
D1
L1
R2
R3 IREF
AGND DGND
B.S
SPI-8010A
1
15
7
R1
C4
C1 C7
+
C2 C8
+
Note 1: The efficiency depends on the input voltage and the output cur-
rent. Therefore, obtain the value from the efficiency graph and
substitute the percentage in the formula above.
Note 2: Thermal design for D1 must be considered separately.
VO:Output voltage
VIN :Input voltage
IO:Output current
ηχ
: Efficiency (%)
VF:Diode D1 forward voltage
3.00
2.50
2.00
1.50
1.00
0.50
0
–30 0 25 50 75 100 125
Power Dissipation P
D
(W)
Ambient Temperature T
a
(°C)
j-a:62.5°C/W(0.84cm2)
j-a:47.6°C/W(8.64cm2)
j-a:41.7°C/W(30.8cm2)
θ
θ
θ
PD=VO • IO
100 –1 –VF • IO 1 VO
ηχ
VIN
R2= (VOUT–VREF) = (VOUT–1) (), R3 = VREF = 1 500()
IREF 2×10–3 IREF 2×10–3 =
..
31
ICs
32 ICs
1-1-3 DC/DC Converter ICs
Parameter
Reference Voltage
Temperature Coefficient of Reference Voltage
Efficiency
Oscillation Frequency
Line Regulation
Load Regulation
Overcurrent Protection Starting Current
Quiescent Circuit Current
SS Pin Outflow Current at Low Voltage
High Level Voltage
EN Pin Low Level Voltage
Inflow Current at Low Low Voltage
Error Amplifier Voltage Gain
Error Amplifier Transformer Conductance
Current Sense Amplifier Impedance
Maximum ON Duty
Minimum ON Time
Features
• Compact surface-mount package (HSOP8)
• Introduction of current mode control method
• Output current: 3.5 A
• High efficiency: 90% (Vo = 5 V)
• Built-in reference oscillator (500 kHz)
A ceramic capacitor can be used for output
• Built-in drooping-type overcurrent and thermal
protection circuits
• Built-in soft start circuit
• Built-in on/off function (Active Hi)
• Low current consumption during off
Applications
• DVD recorder, FPD-TV
• Onboard local power supplies
• OA equipment
Unit
V
W
°C
°C
°C/W
°C/W
Symbol
VIN
PD
Tj
Tstg
θ
j-c
θ
j-a
Parameter
Input Voltage
Power Dissipation*1
Junction Temperature*2
Storage Temperature
Thermal Resistance(junction to case)
Thermal Resistance(junction to ambient air)
Absolute Maximum Ratings
Conditions
When mounted on glass-epoxy board, 30×30 mm (copper laminate area: 25×25 mm)
When mounted on glass-epoxy board, 30×30 mm (copper laminate area: 25×25 mm)
Recommended Operating Conditions
*1: The minimum value of the input voltage range is 4.75 V or Vo +3 V, whichever is higher.
Parameter
DC Input Voltage Range
Output Voltage Range
Output Current Range
Operating Junction Temperature Range
Operating Temperature Range
Symbol
VIN
VO
IO
Tjop
Top
Unit
V
V
A
°C
°C
Ratings
SI-8005Q
Vo+3*1 to 28
0.5 to 24
0 to 3.5
–30 to +125
–30 to +85
*1: Limited by thermal protection circuit
*2: Note that the detection temperature for thermal protection is about 140°C.
Ratings
30
1.35
–30 to +150
–40 to +150
40
74
Symbol
VADJ
Conditions
VADJ/T
Conditions
η
Conditions
Conditions
VOLINE
Conditions
VOLOAD
Conditions
IS
Conditions
Iq
Conditions
Iq(OFF)
Conditions
ISSL
Conditions
Vc/EN
Conditions
Vc/EL
Conditions
IC/EH
Conditions
AEA
GEA
1/GCS
DMAX
DMIN
Electrical Characteristics
Unit
V
mV/°C
%
kHz
mV
mV
A
mA
µ
A
µ
A
V
V
µ
A
V/V
µ
A/V
V/A
%
nsec.
(R1=4.2k, R2=0.8k when Ta = 25°C and Vo=5V)
*: Pin 8 is the SS pin. Soft start at power on can be performed with a capacitor connected to this pin.
The SS pin is pulled up to the power supply in the IC, so applying the external voltage is prohibited.
Conditions
Ratings
min. typ. max.
0.485 0.500 0.515
VIN=12V, Io=1A
0.05
VIN=12V, Io=1A, Ta=–40 to +85°C
90
VIN=12V, Io=1A
450 500 550
VIN=16V, Io=1A
30 60
VIN=8 to 28V, Io=1A
30 60
VIN=12V, Io=0.1 to 3.5A
3.6 6.0
VIN=12V
18
VIN=12V, Io=0A, VEN=open
20
VIN=12V, Io=0A, VEN=0V
5
VIN=16V, VSSL=0V
2.8
VIN=12V
2.2
VIN=12V
5
VEN=0V
1000
800
0.35
92
100
SI-8008Q
SS8
C8
Soft start
Surface Mount, Current Mode Control Step-down Switching Mode
SI-8000Q Series
33
ICs
SI-8000Q Series
External Dimensions (HSOP8) (Unit : mm)
Block Diagram
Typical Connection Diagram
4.40
1.50
0.695 TYP
5.20
A
1.27
0.40
0.4
0.05±0.05
0.15
0.08±0.08
Pin 1 Mark
Enlarged View of A
6.20
2.90
2.70
Pin Assignment
1BS
2IN
3SW
4GND
5FB
6COMP
7EN
8SS
Plastic Mold Package Type
Flammability: UL 94V-0
Product Mass: Approx. 0.1 g
OSC
P.REG
VREF
0.5V
5v_ldo
ON
OFF
7
EN
6
COMP
4
GND
8
SS
1
BS
3
SW
5
FB
2
IN
UVLO
OVP
TSD
Amp
0.5V
5v_ldo
Drive
PWM
LOGIC
Boot
REG
Current
Sense
OCP
Amp
GND
C1
C5
8
7
6C3
D1
R2
GND
C2
I
ADJ
R1
L1 V
O
C4
R3
C6
OPEN
2
IN
EN
SS COMP GND
4
FB
SI-8000Q
SW
BS
1
3
5
V
IN
V
FB
C1:10µF/50V
(Murata:GRM55DB31H106KA87)
C2:22µF/16V
(Murata:GRM32ER71A226KE20)
C3:560pF*1
(Murata:GRM18 Type)
C4:10nF
(murata: GRM18 Type)
C5:10nF
(murata: GRM18 Type)
L1:10µH
D1:SJPW-T4 (Sanken)
R1:46k (Vo=5V)
R2:5.1k
R3:24k*1
*1: When Vo=5V
34 ICs
1-1-3 DC/DC Converter ICs
Features
• Surface-mount package (TO263-5)
• Output current: 3.5 A
• High efficiency: 83% (Vo = 5 V, VIN = 15 V, Io = 2 A)
• Requires only 6 discrete components
• Built-in reference oscillator (300 kHz)
• Built-in drooping-type overcurrent and thermal
protection circuits
• Built-in soft start circuit (Output ON/OFF
available)
- SI-8001FDE
• Built-in on/off function (active Low)
- SI-8001FDL
• Low current consumption during off
- SI-8001FDL
Lineup
Absolute Maximum Ratings
Unit
V
V
W
°C
°C
°C/W
°C/W
Ratings
SI-8001FDE SI-8001FDL
43
–VIN
3
+150
–40 to +150
3*1
33.3*1
Symbol
VIN
Vc
PD
Tj
Tstg
θj-c
θj-a
Parameter
Input Voltage
ON/OFF Control Voltage
Power Dissipation
*1
Junction Temperature
*2
Storage Temperature
Thermal Resistance (Junction to Case)
Thermal Resistance (Junction to Ambient Air)
Part Number SI-8001FDE SI-8001FDL
VO(V) Variable(0.8 to 24)
IO(A) 3.5
Function Soft start ON/OFF
Conditions
When mounted on glass-epoxy board measuring 40×40 mm (copper laminate area: 100%)
When mounted on glass-epoxy board measuring 40×40 mm (copper laminate area: 100%)
When mounted on glass-epoxy board measuring 40×40 mm (copper laminate area: 100%)
*1 : Limited by thermal protection circuit
*2 : This product has built-in thermal protection circuits that may activate when the junction temperature exceeds 130°C.
The recommended design for the junction temperature during IC operation is below 125°C.
Parameter
Input Voltage Range
Output Voltage Range
Output Current Range
Operating Junction Temperature Range
Operating Temperature Range
Symbol Ratings
SI-8001FDE SI-8050FDL
Vo+3*1 to 40
0.8 to 24
0 to 3.5
–30 to +100
–30 to +85
Unit
V
V
A
°C
°C
*1: The minimum value of the input voltage range is 4.5 V or Vo + 3 V, whichever is higher.
Recommended Operating Conditions
Electrical Characteristics
Unit
V
mV/ °C
%
kHz
mV
mV
A
V
µ
A
V
V
µ
A
mA
µ
A
Parameter
Reference Voltage
Temperature Coefficient of Reference Voltage
Efficiency
Oscillation Frequency
Line Regulation
Load Regulation
Overcurrent Protection Starting Current
Low Level Voltage
SS Pin*1 Outflow Cuurent
at Low Voltage
ON/OFF Control Voltage (Output on)
ON/OFF Pin
*2
ON/OFF Control Voltage (Output off)
ON/OFF Controll Current (Output on)
Quiescent Circuit Current
Symbol
VADJ
Conditions
VADJ/T
Conditions
η
Conditions
fO
Conditions
VOLINE
Conditions
VOLOAD
Conditions
IS
Conditions
VSSL
ISSL
Conditions
Vc, IH
Vc, IL
Ic, IH
Conditions
Iq
Conditions
Iq(OFF)
Conditions
(R1=4.2k, R2=0.8k when Ta = 25°C and Vo=5V)
*1: Pin 5 is the SS pin. Soft start at power on can be performed with a capacitor connected to
this pin. The output can also be turned ON/OFF with this pin. The output is stopped by
setting the voltage of this pin to VSSL or lower. SS-pin voltage can be changed with an
open-collector drive circuit of a transistor. When using both the soft-start and ON/OFF
functions together, the discharge current from C3 flows into the ON/OFF control transistor.
Therefore, limit the current securely to protect the transistor if C3 capacitance is large. The
SS pin is pulled up (3.7 V typ.) to the power supply in the IC, so applying the external
voltage is prohibited. If this pin is not used, leave it open.
*2: Output is OFF when the output control terminal VC is open. Each input level is equivalent to
LS-TTL. Therefore, the device can be driven directly by LS-TTLs.
Ratings
SI–8001FDE SI–8001FDL
min. typ. max. min. typ. max.
0.784 0.800 0.816 0.784 0.800 0.816
VIN=15V, Io=0.2A VIN=15V, Io=0.2A
±0.1 ±0.1
VIN=15V, Io=0.2A, Tc=0 to 100°CVIN=15V, Io=0.2A, Tc=0 to 100°C
83 83
VIN=15V, Io=2A VIN=15V, Io=2A
270 300 330 270 300 330
VIN=15V, Io=2A VIN=15V, Io=2A
80 80
VIN=10 to 30V, Io=2A VIN=10 to 30V, Io=2A
50 50
VIN=15V, Io=0.2 to 3.5A VIN=15V, Io=0.2 to 3.5A
3.6 3.6
VIN=15V VIN=15V
0.5 –
630– –
VIN=15V, VSS=0V – –
––– 0.8
–––2.0
––– 6100
Vc=2V
66
VIN=15V, Io=0A VIN=15V, Io=0A
200 600 30 200
VIN=15V, Vss=0V VIN=15V, Vc=2V
SI-8001FDE SI-8001FDE
SS5SS5SS
C3C3
5
VO.ON/OFF Soft start Soft start
+Vo. On/OFF
SI-8001FDE
Surface Mount, Separate Excitation Step-down Switching Mode
SI-8000FD Series
Applications
• DVD recorder, FPD-TV
• OA equipment, such as printers
• Onboard local power supplies
35
ICs
External Dimensions (TO263-5) (Unit : mm)
Pin Assignment
1 IN
2 SW
3 GND (Common to the rear side of the
product)
4VADJ
5SS or Vc
Plastic Mold Package Type
Flammability: UL 94V-0
Product Mass: Approx. 1.48g
(0.40)
2.54±0.3
(4.6)
9.2±
±0.2
1.2
±0.2
4.9
±0.2
(0.75) 2.0
±0.1
15.3
±0.3
9.9
±0.2
Case temperature
measurement point
(15°)
(0.5)
2-R0.3
10.0
±0.02
3-R0.3
(R0.3)
(R0.3)
0.88
±0.10
1.5 Dp:
±0.2
φ
(1.7
±0.25
)
12345
(1.7
±0.25
)
0.8
±0.1
4.5
±0.2
1.3
0.10
±0.15
2.4
±0.2
+0.10
–0.05
(3°)(3°)
(3°)
(3°)(3°)
0 to 6°
15.30
±0.3
(6.8)
9.2
±0.2
4.9
±0.2
(1.75)
(2×R0.45)
(1.7
±0.25
)(1.7
±0.25
)
0.8
±0.1
10.0
±0.2
(4.4)
(8.0)
Block Diagram
4
3
GND
2
IN
SS
SW
V
ADJ
1
5
PReg. OCP
Reset
OSC
+
Comp.
Error Amp.
Latch &
Drive
TSD
ON/OFF
Soft
start
+
+
V
REF
SI-8001FDE SI-8001FDL
4
3
GND
2
V
IN
V
C
SW
ADJ
1
5
PReg. OCP
Reset
OSC
Comp.
Error Amp.
Latch &
Drive
TSD
ON/OFF
V
REF
Typical Connection Diagram
C1:470µF
C2:680µF
C3:0.1µ (Only when using soft-start function)
L1:47µH
Di : FMB-G16L (Sanken)
IN
C
1
C
3
Di
L1
R1
R2 C
2
V
IN
GNDSS
GND
SI-8000FDE
SW
I
ADJ
ADJ
12
4
35
+
+
V
OUT
GND
C1:470µF
C2:680µF
L1:47µH
Di : FMB-G16L (Sanken)
IN
C
1
Di
L1
R1
R2 C
2
V
IN
GNDVc
GND
SI-8001FDL
SW
I
ADJ
ADJ
12
4
35
+
+
V
OUT
GND
SI-8000FD Series
36 ICs
1-1-3 DC/DC Converter ICs
Paramter
Reference Voltage
Temperature Coefficient of Reference Voltage
Efficiency
Oscillation Frequency
Line Regulation
Load Regulation
Overcurrent Protection Starting Current
Low Level Voltage
SS Pin*1
Outflow Current at Low Voltage
Quiescent Circuit Current
Features
• Surface-mount package (TO263-5)
• Output current: 5.5 A
• High efficiency: 83% (at TYP, Vo = 5 V)
• Requires only 5 discrete components (SI-
8008HD)
• Built-in reference oscillator (150 kHz)
• Built-in drooping-type overcurrent and thermal
protection circuits
• Built-in soft start circuit (Output ON/OFF
available)
• Low current consumption during off
Applications
• DVD recorder, FPD-TV
• Onboard local power supplies
• OA equipment
Absolute Maximum Ratings
Recommended Operating Conditions
*1: The minimum value of the input voltage range is 4.5 V or Vo+3 V, whichever is higher.
Parameter
Input Voltage Range
Output Voltage Range
Output Current Range
Operating Junction Temperature Range
Operating Temperature Range
Symbol
VIN
VO
IO
Tjop
Top
Unit
V
V
A
°C
°C
Ratings
SI-8008HD
Vo+3*1 to 40
0.8 to 24
0 to 5.5
–30 to +100
–30 to +85
Symbol
VADJ
Conditions
(VADJ/T)
Conditions
η
Conditions
fo
Conditions
VOLINE
Conditions
VOLOAD
Conditions
IS
Conditions
VSSL
ISSL
Conditions
Iq
Conditions
Iq(OFF)
Conditions
Electrical Characteristics
Unit
V
mV/°C
%
kHz
mV
mV
A
V
µA
mA
µA
(R1=4.2k, R2=0.8k when Ta=25°C and Vo=5V)
*1: Pin 5 is the SS pin. Soft start at power on can be performed with a capacitor connected to
this pin. The output can also be turned ON/OFF with this pin.
The output is stopped by setting the voltage of this pin to VSSL or lower. SS-pin voltage
can be changed with an open-collector drive circuit of a transistor. When using both the
soft-start and ON/OFF functions together, the discharge current from C3 flows into the ON/
OFF control transistor. Therefore, limit the current securely to protect the transistor if C3
capacitance is large. The SS pin is pulled up (3.7 V typ.) to the power supply in the IC, so
applying the external voltage is prohibited. If this pin is not used, leave it open.
*1: Limited by thermal protection circuit
*2: This product has built-in thermal protection circuits that may activate when the junction temperature exceeds 130°C.
The recommended design for the junction temperature during IC operation is below 125°C.
Unit
V
W
°C
°C
°C/W
°C/W
Ratings
43
3
+150
–40 to +150
3
33.3
Symbol
VIN
PD
Tj
Tstg
θj-c
θj-a
Parameter
Input Voltage
Power Dissipation*1
Junction Temperature*2
Storage Temperature
Thermal Resistance (Junction to Case)
Thermal Resistance (Junction to Ambient Air)
Conditions
When mounted on glass-epoxy board measuring 40
×
40 mm (copper laminate area: 100%
)
When mounted on glass-epoxy board measuring 40
×
40 mm (copper laminate area: 100%
)
When mounted on glass-epoxy board measuring 40
×
40 mm (copper laminate area: 100%
)
Conditions
VIN Vo+3V
Ratings
SI-8008HD
min. typ. max.
0.784 0.800 0.816
VIN=15V, Io=1A
±0.1
VIN=15V, Io=1A, Tc=0 to 100°C
83
VIN=15V, Io=3A
150
VIN=15V, Io=3A
60 80
VIN=10 to 30V, Io=3A
20 50
VIN=15V, Io=0.2 to 5.5A
5.6 6.5 7.5
VIN=15V
0.5
10 30
VSSL=0V
6
VIN=15V, Io=0A
200 400
VIN=15V, VSS=0V
SI-8008HD SI-8008HD
SS5SS5SS
C3C3
5
VO.ON/OFF Soft start Soft start
+Vo. On/OFF
SI-8008HD
Surface-Mount, Separate Excitation Step-down Switching Mode
SI-8000HD Series
37
ICs
Block Diagram
Typical Connection Diagram Reference Data
C1:1500µF
C2:1000µF
C3:0.1µF (Only when using soft-start function)
C4:4.7µF (GMR32ER71H475KA88L (Murata Manufacturing)
recommended)
L1:100µH
Di:FMB-G16L (Sanken)
IN
C
1
C
4
C
3
Di
L
1
R
1
R
2
C
2
VIN
GNDSS
GND
SI-8008HD
SW
ADJ
12
4
35
+
+
VOUT
GND
External Dimensions (TO263-5) (Unit : mm)
Pin Assignment
1IN
2SW
3GND
4ADJ
5SS
Plastic Mold Package Type
Flammability: UL 94V-0
Product Mass: Approx. 1.48 g
15.30
±0.3
(6.8)
9.2
±0.2
4.9
±0.2
(1.75)
(2×R0.45)
(1.7
±0.25
)(1.7
±0.25
)
0.8
±0.1
10.0
±0.2
(4.4)
(8.0)
(0.40)
2.54
±0.3
(4.6)
9.2±
±0.2
1.2
±0.2
4.9
±0.2
(0.75) 2.0
±0.1
15.3
±0.3
9.9
±0.2
Case temperature
measurement point
(15°)
(0.5)
2-R0.3
10.0
±0.02
3-R0.3
(R0.3)
(R0.3)
0.88
±0.10
1.5 Dp:
±0.2
φ
(1.7
±0.25
)
12345
(1.7
±0.25
)
0.8
±0.1
4.5
±0.2
1.3
0.10
±0.15
2.4
±0.2
+0.10
–0.05
(3°)(3°)
(3°)
(3°)(3°)
0 to 6°
4
3
GND
2
IN
SS
SW
ADJ
1
5
PReg. OCP
Reset
OSC
+
Comp.
Error Amp.
Latch &
Drive
TSD
ON/OFF
Soft
start
+
+
SI-8008HD
VREF
The acceptable loss of the package is 3 W for the SI-8000HD
series, so some ranges are not available, depending on the
relation between the input voltage and output current.
55
50
45
40
35
300 200 400 600 800 1000
Copper Laminate Area (mm
2
)
1200 1400 1600 1800
When using glass-epoxy board measuring 40×40 mm
Thermal Resistance
(junction to ambient air temperature) θj-a (°C/W)
SI-8000HD Series
38 ICs
1-1-3 DC/DC Converter ICs
Features
Compact full-mold package (equivalent to
TO220)
High efficiency: 80%
Requires only 4 discrete components
Internally-adjusted phase compensation and
output voltage
Built-in reference oscillator (60kHz)
Built-in overcurrent and thermal protection
circuits
Applications
Power supplies for telecommunication
equipment
Onboard local power supplies
Lineup
Part Number SI-8050E
VO(V) 5.0
IO(A) 0.6
Electrical Characteristics
Unit
V
%
kHZ
mV
mV
mV/°C
A
Parameter
Output Voltage
Efficiency
Oscillation Frequency
Line Regulation
Load Regulation
Temperature Coefficient of Output Voltage
Overcurrent Protection Starting
Current
Symbol
VO
Conditions
η
Conditions
f
Conditions
VOLINE
Conditions
VOLOAD
Conditions
VO/Ta
IS1
Conditions
(Ta=25°C)
Absolute Maximum Ratings
Unit
V
W
W
°C
°C
°C/W
°C/W
Ratings
43
14(With infinite heatsink)
1.5(Without heatsink, stand-alone operation)
+125
–40 to +125
7.0
66.7
Symbol
VIN
PD1
PD2
Tj
Tstg
θ
j-c
θ
j-a
Parameter
DC Input Voltage
Power Dissipation
Junction Temperature
Storage Temperature
Thermal Resistance(junction to case)
Thermal Resistance(junction to ambient air)
Recommended Operating Conditions
Parameter
DC Input Voltage Range
Output Current Range
Operating Junction Temperature Range
Operating Temperature Range
Symbol
VIN
IO
Tjop
Top
Unit
V
A
°C
°C
Ratings
SI-8050E
7 to 40
0 to 0.6
–30 to +125
–30 to +125
Ratings
SI-8050E
min. typ. max.
4.80 5.00 5.20
VIN=20V, IO=0.3A
80
VIN=20V, IO=0.3A
60
VIN=20V, IO=0.3A
80 100
VIN=10 to 30V, IO=0.3A
30 40
VIN=20V, IO=0.1 to 0.4A
±0.5
0.61
VIN=10V
Full-Mold, Separate Excitation Step-down Switching Mode
SI-8000E Series
39
ICs
SI-8000E Series
External Dimensions (TO220F-5) (Unit : mm)
Block Diagram Typical Connection Diagram
Ta-PD Characteristics
The efficiency depends on the input voltage and the output cur-
rent. Therefore, obtain the value from the efficiency graph and
substitute the percentage in the formula above.
VO:Output voltage
VIN :Input voltage
IO:Output current
ηx:Efficiency (%)
VF:Diode D1 forward voltage
0.4V(AK06)
Thermal design for D1 must be considered separately.
Forming No. 1101
Pin Assignment
qVIN
wSWOUT
eGND
rVOS
tN.C
Plastic Mold Package Type
Flammability: UL94V-0
Product Mass: Approx. 2.3g
10.0
±0.2
0.95
±0.15
0.85
+0.2
–0.1
4.0
±0.2
7.9
±0.2
16.9
±0.3
0.5
12345
P1.7
±0.7
×4=6.8
±0.7
φ
4.2
±0.2
8.2
±0.7
2.6
±0.1
3.9
±0.7
(4.3)
(4.6)
(8.0)
(17.9)
(2.0)
0.45
+0.2
–0.1
2.8
±0.2
3.2
±0.2
SWOUT
VOS
VIN
3
GND
5
N.C
4
21
OSC
Reg.
OCP
Comp.
Reset
Drive
TSD
Amp.
VREF
V
IN
C
1
D
1
L
1
5V : 200µH
100µF
V
IN
V
O
AK06
GND NC
GND GND
SI-8000E
SW
OUT
V
OS
12
3
+
C2
330µF
+
5
4
(Sanken)
15
10
5
0
–30
02550
Operating Ambient Temperature T
a
(°C)
Power Dissipation P
D
(W)
75 100 125
200×200×2mm (2.3°C/W)
100×100×2mm (5.2°C/W)
75×75×2mm (7.6°C/W)
Infinite heatsink
Without heatsink
With Silicone Grease
Heatsink: Aluminum
PD=VO·IO 100 –1 –VF·IO 1 VO
ηχ
VIN
40 ICs
1-1-3 DC/DC Converter ICs
*5: Pin 5 is the ON/OFF pin. Soft start at power on can be performed with a capacitor connected
to this pin.
The output can also be turned ON/OFF with this pin. The output is stopped by setting the
voltage of this pin to VSSL or lower. ON/OFF-pin voltage can be changed with an open-collec-
tor drive circuit of a transistor. When using both the soft-start and ON/OFF functions together,
the discharge current from C3 flows into the ON/OFF control transistor. Therefore, limit the
current securely to protect the transistor if C3 capacitance is large. The ON/OFF pin is pulled
up to the power supply in the IC, so applying the external voltage is prohibited. If this pin is not
used, leave it open.
*1: Reference voltage for SI-8015JF *3: Temperature Coefficient of Reference Voltage for SI-8015JF
*2: VREF for SI-8015JF *4: VREF/Ta for SI-8015JF
SI-8000JF SI-8000JF
ON/OFF5 ON/OFF5 ON/OFF
C3C3
5
V
OUT.
ON/OFF Soft start Soft start
+V
OUT.
ON/OFF
SI-8000JF
Lineup
Part Number SI-8015JF SI-8033JF SI-8050JF SI-8120JF
VO (V)* 1.59 3.3 5.0 12.0
IO (A) 1.5
Absolute Maximum Ratings
Unit
V
W
W
°C
°C
°C/W
Ratings
43
16.6 (with infinite heatsink)
1.5 (without heatsink, standalone operation)
+125
–40 to +125
6.0
Symbol
VIN
PD1
PD2
Tj
Tstg
θ
j-c
Parameter
DC Input Voltage
Power Dissipation
Junction Temperature
Storage Temperature
Thermal Resistance (Junction to Case)
Recommended Operating Conditions
Parameter
DC Input Voltage Range
Output Current Range
Operating Junction Temperature Range
Symbol
VIN1
VIN2
IO
Tjop
Unit
V
V
A
°C
Ratings
SI-8015JF* SI-8033JF SI-8050JF SI-8120JF
V
O
+2 to 40
5.3 to 40 7 to 40 14 to 40
VO+3 to 40 6.3 to 40 8 to 40 15 to 40
0 to 1.5
–30 to +125
Features
Compact full-mold package (equivalent to
TO220)
Output current: 1.5A
High efficiency: 67 to 88%
Requires only 4 discrete components
Internally-adjusted phase compensation and
output voltage
Capable of downsize a choke-coil due to IC's
high switching frequency (125kHz).
(Compared with conventional Sanken devices)
Built-in foldback-overcurrent and thermal
protection circuits
Output ON/OFF available (circuit current at
output OFF: 200
µ
A max.)
Soft start available by ON/OFF pin
* SI-8015JF is a variable output voltage type. The variable output voltage range is from 2.5 V to 24 V.
Electrical Characteristics (Ta=25°C)
Conditions
IO=0 to 1A
IO=0 to 1.5A
VINVO+3V
Full-Mold, Separate Excitation Step-down Switching Mode
SI-8000JF Series
Applications
Power supplies for telecommunication equipment
Onboard local power supplies
* VREF(V) for SI-8015JF
Unit
V
%
kH
Z
mV
mV
mV/°C
A
V
µ
A
mA
µ
A
Parameter
Output Voltage
*1
Efficiency
Oscillation Frequency
Line Regulation
Load Regulation
Overcurrent Protection
Starting Current
ON/OFF
*5
Low Level Voltage
Te r minal
Outflow Current
at Low Voltage
Quiescent Circuit
Current
Symbol
V
O*2
Conditions
η
Conditions
f
Conditions
V
OLINE
Conditions
V
OLOAD
Conditions
V
O
/T
a*4
I
S1
Conditions
V
SSL
I
SSL
Conditions
I
q
Conditions
I
q(OFF)
Conditions
Ratings
SI-8015JF SI-8033JF SI-8050JF SI-8120JF
min. typ. max. min. typ. max. min. typ. max. min. typ. max.
1.558 1.59 1.622 3.234 3.30 3.366 4.90 5.00 5.10 11.76 12.00 12.24
V
IN
=12V, I
O
=0.5A V
IN
=15V, I
O
=0.5A V
IN
=20V, I
O
=0.5A V
IN
=24V, I
O
=0.5A
67 77 82 88
V
IN
=12V, I
O
=0.5A V
IN
=15V, I
O
=0.5A V
IN
=20V, I
O
=0.5A V
IN
=24V, I
O
=0.5A
125 125 125 125
V
IN
=12V, I
O
=0.5A V
IN
=15V, I
O
=0.5A V
IN
=20V, I
O
=0.5A V
IN
=24V, I
O
=0.5A
25 80 25 80 40 100 60 130
V
IN
=8 to 30V, I
O
=0.5A V
IN
=8 to 30V, I
O
=1.0A V
IN
=10 to 30V, I
O
=1.0A V
IN
=18 to 30V, I
O
=1.0A
10 30 10 30 10 40 10 40
V
IN
=12V, I
O
=0.2 to 0.8A V
IN
=15V, I
O
=0.5 to 1.5A V
IN
=20V, I
O
=0.5 to 1.5A V
IN
=24V, I
O
=0.5 to 1.5A
±0.5 ±0.5 ±0.5 ±1.0
1.6 1.6 1.6 1.6
V
IN
=12V V
IN
=15V V
IN
=20V V
IN
=24V
0.5 0.5 0.5 0.5
100 100 100 100
V
SSL
=0V V
SSL
=0V V
SSL
=0V V
SSL
=0V
7777
V
IN
=12V, I
O
=0A V
IN
=15V, I
O
=0A V
IN
=20V, I
O
=0A V
IN
=24V, I
O
=0A
200 200 200 200
V
IN
=12V, V
ON/OFF
=0.3V V
IN
=15V, V
ON/OFF
=0.3V V
IN
=20V, V
ON/OFF
=0.3V V
IN
=24V, V
ON/OFF
=0.3V
Temperature Coefficient of
Output Voltage
*3
41
ICs
External Dimensions (TO220F-5)
Forming No.1101
10.0±0.2
4.2±0.2
0.95±0.15
8.2±0.7
2.6±0.1
3.9±0.7 (4.3)
(4.6)
(8.0)
(17.9)
(2.0)
0.85 +0.2
–0.1
0.45 +0.2
–0.1
4.0±0.2
7.9±0.2
16.9±0.3
0.5
12345
P1.7±0.7×4=6.8±0.7
2.8±0.2
3.2
±0.2
φ
(Unit : mm)
Pin Assignment
qVIN
wSWOUT
eGND
rVOS
tON/OFF
Plastic Mold Package Type
Flammability: UL94V-0
Product Mass: Approx. 2.3g
Block Diagram
4
3
GND
2
V
IN
ON/OFF
SW OUT
1
5
PReg. OCP
8033JF, 8050JF, 8120JF
Reset
OSC
+
Comp.
Error Amp.
Latch&
Drive
TSD
ON/OFF
Soft
Start
V
REF
+
4
3
GND
2
V
IN
V
REF
ON/OFF
SW OUT
1
5
PReg. OCP
Reset
OSC
+
Comp.
Error Amp.
Latch&
Drive
TSD
ON/OFF
Soft
Start
V
REF
+
SI-8015JF
Typical Connection Diagram
C1:50V/220
µ
F
C2:25V/470
µ
F
C3:10V/0.47
µ
F (Only when using soft-start function)
L1:100
µ
H
Di : RK16 (Sanken)
C1:50V/220
µ
F
C2:25V/470
µ
F
C3:10V/0.47
µ
F (Only when using soft-start function)
C4:6800pF
L1:100
µ
H
Di : RK16 (Sanken)
V
IN
220µF
Di REF
L1
470µF
V
IN
GNDON/OFF
GND
SI-8015JF
SW
V
REF
I
REF
R
1
R
2
C
4
12
4
35
+ +
V
OUT
GND
SI-8015JF
V
IN
C
1
C
3
Di
L1
C
2
V
IN
GNDON/OFF
GND
SI-8000JF
SW
V
S
12
4
35
+ +
V
OUT
GND
8033JF, 8050JF, 8120JF
IREF shall be approx. 2mA.
VOUT= VREF × (R1+R2)
R2
SI-8000JF Series
42 ICs
1-1-3 DC/DC Converter ICs
Lineup
Part Number SI-8008TFE SI-8050TFE
VO (V) Variable (0.8 to 24) 5
IO (A) 1.5
Absolute Maximum Ratings
Unit
V
W
°C
°C
°C/W
°C/W
Ratings
43
17.8 (with infinite heatsink)
14.2 (with infinite heatsink)
2.15 (without heat sink, standalone operation)
1.72 (without heatsink, standalone operation)
–30 to +150
–40 to +150
7
58
Symbol
VIN
PD1-1
PD1-2
PD2-1
PD2-2
Tj
Tstg
θ
j-c
θ
j-a
Parameter
DC Input Voltage
Power Dissipation
Junction Temperature*
Storage Temperature
Thermal Resistance (Junction to Case)
Thermal Resistance (Junction to Ambient Air)
Recommended Operating Conditions
Features
Compact full-mold package (equivalent to
TO220)
Output current: 1.5 A
High efficiency: 81% typ. (at Vo = 5 V)
Requires only 4 discrete components
Built-in reference oscillator (300 kHz)
Built-in dropping-type-overcurrent and thermal
protection circuits
Output ON/OFF available (circuit current at
output OFF: 200
µ
A typ.)
Soft start available by ON/OFF pin
Electrical Characteristics
(Ta=25°C)
Full-Mold, Separate Excitation Step-down Switching Mode
SI-8000TFE Series
Applications
Onboard local power supplies
•AV equipment
•OA equipment
Conditions
Limited by thermal protection, Tjmax=150°C
Tjmax=125°C
Limited by thermal protection, Tjmax=150°C
Tjmax=125°C
*: This product has built-in thermal protection circuits that may operate when the junction temperature rises above 130°C.
The recommended design for the junction temperature during operation is below 125°C.
Parameter
Input Voltage Range
Output Voltage Range
Output Current Range
Operating Junction Temperature Range
Operating Temperature Range
Symbol
VIN
VO
IO
Tjop
Top
Unit
V
V
A
°C
°C
Ratings
SI-8008TFE SI-8050TFE
Vo+3*1 to 40 8 to 40
0.8 to 24 5.0
0 to 1.5
–20 to +125
–20 to +85
*1: The minimum value of an input voltage range is the higher of 4.5 V or VO + 3 V.
SI-8008TFE SI-8050TFE
min.
0.784
1.6 1.6
typ.
0.800
V
IN
=15V, I
o
=0.1A
max.
0.816
80
40
min.
4.90
typ.
5.00
V
IN
=15V, I
o
=0.1A
±0.5
V
IN
=15V, I
o
=0.1A, T
c
=0 to 100°C
81
V
IN
=15V, I
o
=0.5A
max.
5.10
Vo
V
ADJ
V
OLOAD
±0.1
V
IN
=15V, I
o
=0.1A, T
c
=0 to 100°C
81
V
IN
=15V, I
o
=0.5A
Vo/T
V
REF
/T
η
10
V
SSL
=0V
10
V
SSL
=0V
0.5
40
0.5
40
10
V
IN
=15V, I
o
=0.2 to 1.5A
10
V
IN
=15V, I
o
=0.2 to 1.5A
300
V
IN
=15V, I
o
=0.5A
300
V
IN
=15V, I
o
=0.5A
fo
60
V
IN
=10 to 30V, I
o
=0.5A
60
V
IN
=10 to 30V, I
o
=0.5A
80
40
V
OLINE
6
V
IN
=15V, I
o
=0A
6
V
IN
=15V, I
o
=0A
V
IN
=15V V
IN
=15V
I
q
200
V
IN
=15V, V
SS
=0V
200
V
IN
=15V, V
SS
=0V
400 400
I
q(OFF)
Low Level Voltage
Outflow Current at
Low Voltage
V
SSL
I
SSL
I
S
V
mV/°C
%
kHz
mV
mV
A
V
µA
mA
µA
Parameter
Conditions
Conditions
Conditions
Conditions
Conditions
Conditions
Conditions
Conditions
Conditions
Conditions
Symbol Unit
Ratings Ratings
Output Voltage
Reference Voltage
Efficiency
Oscillation Frequency
Line Regulation
Quiescent Circuit Current
Load Regulation
Overcurrent Protection
Starting Current
ON/OFF Pin*
Temperature Coefficient of Output Voltage
Temperature Coefficient of Reference Voltage
(Ta=25°C)
*: Pin 5 is the SS pin. Soft start at power on can be performed with a capacitor connected to this
pin. The output can also be turned ON/OFF with this pin. The output is stopped by setting the
voltage of this pin to VSSL or lower. SS-pin voltage can be changed with an open-collector
drive circuit of a transistor. When using both the soft-start and ON/OFF functions together, the
discharge current from C3 flows into the ON/OFF control transistor. Therefore, limit the cur-
rent securely to protect the transistor if C3 capacitance is large. The SS pin is pulled up to the
power supply in the IC, so applying the external voltage is prohibited. If the pin is not used,
leave it open.
SI-8000TFE SI-8000TFE
SS5SS5SS
C3C3
5
VO.ON/OFF Soft start Soft start
+VO.ON/OFF
SI-8000TFE
43
ICs
SI-8000TFE Series
External Dimensions (TO220F-5)
Block Diagram Typical Connection Diagram
4
3
GND
2
IN
SS
SW
ADJ
1
5
PReg.
Overcurrent
Protection
Reset
OSC
+
Comp.
Error Amp.
Latch &
Drive
Thermal
Protection
ON/OFF
Soft Start
+
+
SI-8008TFE
Reference
Voltage
IN
C
1
220µF
C
3
Di
L
1
47µH
R1
R2 C
2
470µF
V
IN
GNDSS
GND
SI-8000TFE
SW
I
ADJ
ADJ
12
4
35
+
+
V
OUT
GND
Pin Assignment
qIN
wSW
eGND
rADJ
tSS
Plastic Mold Package Type
Flammability: UL94V-0
Product Mass: Approx. 2.3g
C1:220
µ
F
C2:470
µ
F
C3:1
µ
F (Only when using soft-start function)
L1:47
µ
H
Di : RK16 (Sanken)
(Unit : mm)
10.0
±0.2
4.2
±0.2
0.95
±0.15
8.2
±0.7
2.6
±0.1
3.9
±0.7
(4.3)
(4.6)
(17.9)
(2.0)
0.85
+0.2
–0.1
0.45
+0.2
–0.1
4.0
±0.2
7.9
±0.2
4.6
±0.6
16.9
±0.3
0.5
12345
P1.7
±0.7
×4=6.8
±0.7
2.8
±0.2
3.2
±0.2
φ
44 ICs
1-1-3 DC/DC Converter ICs
Absolute Maximum Ratings
Unit
V
W
°C
°C
°C/W
°C/W
Ratings
53
1
+125
–40 to +125
28
100
Symbol
VIN
PD*1
Tj
Tstg
θ
j-c
θ
j-a
Parameter
DC Input Voltage
Power Dissipation
Junction Temperature
Storage Temperature
Thermal Resistance (junction to case)
Thermal Resistance (junction to ambient air)
Parameter
DC Input Voltage Range
Output Voltage Range
Output Current Range*2
Operating Junction Temperature Range
Operating Temperature Range
Symbol
VIN
VO
IO
Tjop
Top
Ratings
SI-8010GL
(8 or VO+3)*1 to 50
1 to 14
0.02 to 1.5*2
–30 to +125
–30 to +125
*1: The minimum value of an input voltage range is the higher of either 8V or VO+3V.
*2: Please be sure to let the output current run more than 20 mA. When using by less than 20 mA, there is a possibility that the output voltage becomes unstable.
Recommended Operating Conditions
*1: Limited by thermal protection.
Electrical Characteristics
Unit
V
%
kHZ
mV
mV
mV/°C
A
mA
µ
A
V
µ
A
Parameter
Reference Voltage
Efficiency
Oscillation Frequency
Line Regulation
Load Regulation
Temperature Coefficient
of Reference Voltage
Overcurrent Protection
Starting Current
Quiescent Circuit Current
Circuit Current at Output OFF
CE/SS*
Low Level Voltage
Terminal
Terminal Outflow
Current at Low Voltage
Symbol
VREF
Conditions
Eff
Conditions
FOSC
Conditions
VOLINE
Conditions
VOLOAD
Conditions
VREF/Ta
IS
Conditions
Iq
Conditions
Iq(OFF)
Conditions
VSSL
ISSL
Conditions
(Ta=25°C)
*: Pin 2 is the CE/SS pin. Soft start at power on can be performed with a capacitor
connected to this pin.The output can also be turned ON/OFF with this pin. The output is
stopped by setting the voltage of this pin to VSSL or lower. CE/SS-pin voltage can be
changed with an open-collector drive circuit of a transistor.
When using both the soft-start and ON/OFF functions together, the discharge current
from C4 flows into the ON/OFF control transistor. Therefore, limit the current securely to
protect the transistor if C3 capacitance is large. The CE/SS pin is pulled up to the power
supply in the IC, so applying the external voltage is prohibited.
Features
DIP 8 pin package
Output current: 1.5A
High efficiency: 86% (at VIN = 20V, lO = 1A, VO
= 5V)
Capable of downsize a choke-coil due to IC's
high switching frequency (250kHz). (Com-
pared with conventional Sanken devices)
The output-voltage-variable type can vary its
output voltage from 1V to 14V because of its
low reference voltage (Vref) of 1V.
•Wide Input Voltage Range (8 to 50V)
Output ON/OFF available
Built-in overcurrent protection and thermal
protection circuits
Ratings
SI-8010GL (Variable type)
min. typ. max.
0.97 1.00 1.03
VIN=12V, IO=1A
86
VIN=20V, IO=1A, VO=5V
250
VIN=12V, IO=1A
20 40
VIN=10 to 30V, IO=1A
10 30
VIN=12V, IO=0.1 to 1.5A
±0.5
1.6
VIN=12V
7
VIN=12V, IO=0A
400
VIN=12V, VON/OFF=0.3V
0.5
50
VSSL=0V
Compact, Separate Excitation Step-down Switching Mode
SI-8000GL Series
Applications
Onboard local power supplies
•OA equipment
For stabilization of the secondary-side output voltage of switching power supplies
SI-8000GL SI-8000GL
CE/SS2 CE/SS2 CE/SS
C4C4
2
V
O.
ON/OFF Soft start Soft start
+V
O.
ON/OFF
SI-8000GL
Unit
V
V
A
°C
°C
45
ICs
SI-8000GL Series
External Dimensions (DIP8) (Unit: mm)
Block Diagram
CE/SS
UVLO OCP
P.REG
OSC PWM
LOGIC
CE/SS
TSD
Reg
Comp
GND
1V
Boot REG
DRIVE
BS
SW
OUT
V
REF
V
IN
+
-
+
-
Amp
Pin Assignment
1. GND
2. CE/SS
3. Reg
4. SWOUT
5. VIN
6. BS
7. Comp
8. VREF
Plastic Mold Package Type
Flammability: UL 94V-0
Product Mass: Approx. 0.49 g
SI-8010GL
78
21
5
4
6
3
9.4±0.3
0.5±0.1
0° to 15°
6.5±0.2
3.4±0.1
3.3±0.2 4.2±0.3
7.5±0.5
1.0
+0.3
-
0.05
1.5
+0.3
-
0.05
0.25
+0.1
-
0.05
2.54
7.6
0.25
M
0.89 TYP
2
1.8
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
0
–25 0 25 50 75 100 125
Power Dissipation P
D
(W)
Ambient Temperature T
a
(°C)
j-a:100°C/W
θ
Ta-PD Characteristics
Note 1: The efficiency depends on the input volt-
age and the output current. Therefore, ob-
tain the value from the efficiency graph and
substitute the percentage in the formula
above.
Note 2: Thermal design for D1 must be considered
separately.
VO:Output voltage
VIN :Input voltage
IO:Output current
ηχ
: Efficiency
VF:Diode D1 forward voltage
RK16···0.4V(IO=1A)
Typical Connection Diagram
C1: 220
µ
F/63V
C2: 470
µ
F/25V
C3: 0.1
µ
F
C4: 1000pF
C5: 0.1
µ
F
C6: 0.047
µ
F
C7: 0.1
µ
F
Diode D1
Be sure to use a Schottky-barrier diode as D1. If other diodes like fast recovery diodes are used, IC may be destroyed because of the reverse voltage generated
by the recovery voltage or ON voltage.
Choke coil L1
If the winding resistance of the choke coil is too high, the efficiency may drop below the rated value.
As the overcurrent protection starting current is approx. 2.5 A, take care concerning heat radiation from the choke coil caused by magnetic saturation due to
overload or short-circuited load.
Capacitor C1, C2
•As large ripple currents flow through C1 and C2, use high-frequency and low-impedance capacitors aiming for switching-mode-power-supply use. Especially
when the impedance of C2 is high, the switching waveform may become abnormal at low temperatures. For C2, do not use a capacitor with an extremely low
equivalent series resistance (ESR) such as an OS capacitor or a tantalum capacitor, which may cause an abnormal oscillation.
Resistors R2, R3
• R2 and R3 are the resistors to set the output voltage. Set their values so that IREF becomes approx. 2 mA. Obtain R2 and R3 values by the following formula above.
* To create the optimum operating conditions, place the components as close as possible to each other.
SI-8010GL
Reg
CE/SS
3
2
V
IN
SW
OUT
V
REF
V
IN
GND
V
0
GND
5
C5
Comp
7
6
C6
C3
D1
L1
R2
R3 I
REF
GND
BS
SI-8010GL
1
8
4
R1
C4
C1 C7
+
C2 C8
+
C8: 0.1
µ
F
R1: 47
L1: 47
µ
H
D1: RK16
(Sanken)
PD=VO • IO100 –1 –VF • IO 1 VO
ηχ VIN
R2= (VOUT–VREF) = (VOUT–1) (), R3 = VREF = 1 500()
IREF 2×10–3 IREF 2×10–3 =
..
46 ICs
1-1-3 DC/DC Converter ICs
Electrical Characteristics
Unit
V
mV/
%
kHz
mV
mV
A
mA
µA
µA
V
µA
V
%
nsec
Reference Voltage
Temperature Coefficient of Reference Voltage
Efficiency
Oscillation Frequency
Line Regulation
Load Regulation
Overcurrent Protection Starting Current
Quiescent Circuit Current 1
Quiescent Circuit Current 2
SS Pin
Outflow Current at Low Voltage
Open Voltage
EN Pin Inflow Current
On Threshold Voltage
Maximum ON Duty
Minimum ON Time
Thermal Protection Start Temperature
Thermal Protection Return Hysteresis
(Ta=25°C, VIN=12V, VO=3.3V, and Io=1.0A, unless otherwise specified)
Ratings
min. typ. max.
0.784 0.800 0.816
±0.05
90
400 500 600
50
50
3.1 6.0
6
10
61014
3.0
50 100
0.7 1.4 2.1
90
150
151 165
20
*: Pin 8 is the SS pin. Soft start at power on can be performed with a capacitor connected to this pin.
The SS pin is pulled up to the power supply in the IC, so applying the external voltage is prohibited.
SS8
C9
NR887D
Full-Mold, Separate Excitation Step-down Switching Mode Regulator ICs
NR887D
Features
DIP 8 pin package
Input voltage range (VIN): VO + 3 to 18 V
Synchronous rectifier mode
High efficiency: 90%
Current mode control
Stable with low-ESR ceramic output capacitors
Built-in phase compensation component
Output current: 2 A
Reference voltage and accuracy of 0.8 V ± 2%
Oscillation frequency: 500 kHz
Output ON/OFF available
Undervoltage lockout
Soft start function
Applications
Power supply for LCDTV and PDP
Power supply for DVD, BD, and STB
On-board local power supply
Power supply for switches
Current Mode Control, Synchronous Rectifier Step-down Switching Mode
Absolute Maximum Ratings
Recommended Operating Conditions
Unit
V
W
°C
°C
°C/W
°C/W
Ratings
20
1.50
–40 to +150
–40 to +150
25
67
Symbol
VIN
PD
Tj
Tstg
θ
j-c
θ
j-a
Parameter Conditions
Input Voltage
Power Dissipation
Junction Temperature
Storage Temperature
Thermal Resistance (Junction to Lead (4 pins))
Thermal Resistance (Junction to Ambient Air)
When mounted on a 70 × 60 mm glass-epoxy board (with a 1310 mm
2
copper area)
When mounted on a 70 × 60 mm glass-epoxy board (with a 1310 mm
2
copper area)
Unit
V
A
V
°C
Ratings
4.5 or VO + 3* to 18
02.0
0.8 to 14
–40 to +85
Parameter
Input Voltage Range
Output Current Range
Output Voltage Range
Operating Temperature Range
*: The minimum value of the input voltage range is 4.5 V or VO + 3 V, whichever is higher.
η
47
ICs
External Dimensions (DIP8)
Pin Assignment
qBS
wVIN
eSW
rGND
tFB
yNC
uEN
iSS
Plastic Mold Package Type
Flammability: UL 94V-0
Product Mass: Approx. 0.49g
(Unit : mm)
Block Diagram
Typical Connection Diagram
C1, C2: 10µF/25V
C4, C5: 22µF/16V
C9: 0.1µF
C10: 0.1µF
L1: 10µH
R3: 20 to 47
R4+R5: 5k (VO=3.3V)
R6: 1.6k
7
6
4
EN
3.5V
5V
0.8V
3.5V
0.8V
5V
Error Amp
10uA
NC
GND
ON/
OFF
OSC
OCP
+
+
+
-
-
Current
Sense
PWM
LOGIC
SS
FB
SW
BS
IN
SS
8
5
3
1
2
Compensation
Drive
REG
Σ
P. REG
VREF
TSD
UVLO
NR887D
VIN
C1
C9
7
21
3
5
R3
L1
R4
R5
R6
Option
D1
C4 C5
Vout
BSVIN SW
FB
SS
EN
NCGND
C10
8
46
C2
NR887D
78
21
5
4
6
3
9.4±0.3
0.5±0.1
0° to 15°
6.5±0.2
3.4±0.1
3.3±0.2 4.2±0.3
7.5±0.5
1.0
+0.3
-
0.05
1.5
+0.3
-
0.05
0.25
+0.1
-
0.05
2.54
7.6
0.25
M
0.89 TYP
48 ICs
1-1-3 DC/DC Converter ICs
Lineup
Part Number SI-8033S SI-8050S SI-8090S SI-8120S SI-8150S
VO(V) 3.3 5.0 9.0 12.0 15.0
IO(A) 3.0
Absolute Maximum Ratings
Unit
V
W
W
°C
°C
V
°C/W
Ratings
43*
18(With infinite heatsink)
1.5(Without heatsink, stand-alone operation)
+125
–40 to +125
–1
5.5
Symbol
VIN
PD1
PD2
Tj
Tstg
VSW
θ
j-c
Parameter
DC Input Voltage
Power Dissipation
Junction Temperature
Storage Temperature
SW Terminal Applied Reverse Voltage
Thermal Resistance(junction to case)
Features
Compact full-mold package (equivalent to
TO220)
Output current: 3.0A
High efficiency: 79 to 91%
Requires only 4 discrete components
Internally-adjusted phase compensation and
output voltage
Built-in reference oscillator (60kHz)
Built-in overcurrent and thermal protection
circuits
Built-in soft start circuit (Output ON/OFF
available)
Applications
Power supplies for telecommunication equip-
ment
Onboard local power supplies
*35V for SI-8033S
Full-Mold, Separate Excitation Step-down Switching Mode
SI-8000S Series
Recommended Operating Conditions
Parameter
DC Input Voltage Range
Output Current Range
Operating Junction Temperature Range
Symbol
VIN
IO
Tjop
Unit
V
A
°C
Ratings
SI-8033S SI-8050S SI-8090S SI-8120S SI-8150S
5.5 to 28 7 to 40 12 to 40 15 to 40 18 to 40
0 to 3.0
–30 to +125
Electrical Characteristics (Ta=25°C)
Unit
V
%
kHZ
mV
mV
mV/°C
A
V
µA
Parameter
Output Voltage
Efficiency
Oscillation Frequency
Line Regulation
Load Regulation
Temperature Coefficient of
Output Voltage
Overcurrent Protection
Starting Current
Soft
Start Pin*2
Symbol
VO
Conditions
η
Conditions
f
Conditions
VOLINE
Conditions
VOLOAD
Conditions
VO/Ta
IS1
Conditions
VSSL
ISSL
Conditions
SI-8000S*
1
SI-8000SS
Low-Level Voltage
Outflow Current at
Low Voltage
*1:“S” may be printed to the right of the marking (except SI-8090S, SI-8120S, SI-8150S).
*2:Pin 5 is a soft start pin. Soft start at power on can be performed with a capacitor connected to
this pin.
The output can also be turned ON/OFF with this pin.
The output is stopped by setting the voltage of this pin to VSSL or lower.
Soft-start pin voltage can be changed with an open-collector drive circuit of a transistor.
When using both the soft-start and ON/OFF functions together, the discharge current from C3
flows into the ON/OFF control transistor. Therefore, limit the current securely to protect the
transistor if C3 capacitance is large.
The ON/OFF pin is pulled up to the power supply in the IC, so applying the external voltage is
prohibited.
If this pin is not used, leave it open.
SI-8000S SI-8000S
ON/OFF5 ON/OFF5 ON/OFF
C3C3
5
V
OUT.
ON/OFF Soft start Soft start
+V
OUT.
ON/OFF
SI-8000S
Ratings
SI-8033S SI-8050S SI-8090S SI-8120S SI-8150S
min. typ. max. min. typ. max. min. typ. max. min. typ. max. min. typ. max.
3.17 3.30 3.43 4.80 5.00 5.20 8.55 9.00 9.45 11.50 12.00 12.50 14.25 15.00 15.75
3.234 3.30 3.366 4.90 5.00 5.10
VIN=15V, IO=1.0A VIN=20V, IO=1.0A VIN=21V, IO=1.0A VIN=24V, IO=1.0A VIN=25V, IO=1.0A
79 84 88 90 91
VIN=15V, IO=1.0A VIN=20V, IO=1.0A VIN=21V, IO=1.0A VIN=24V, IO=1.0A VIN=25V, IO=1.0A
60 60 60 60 60
VIN=15V, IO=1.0A VIN=20V, IO=1.0A VIN=21V, IO=1.0A VIN=24V, IO=1.0A VIN=25V, IO=1.0A
25 80 40 100 50 120 60 130 60 130
VIN=8 to 28V, IO=1.0A VIN=10 to 30V, IO=1.0A VIN=15 to 30V, IO=1.0A VIN=18 to 30V, IO=1.0A VIN=21 to 30V, IO=1.0A
10 30 10 40 10 40 10 40 10 40
VIN=15V, IO=0.5 to 1.5A VIN=20V, IO=0.5 to 1.5A VIN=21V, IO=0.5 to 1.5A VIN=24V, IO=0.5 to 1.5A VIN=25V, IO=0.5 to 1.5A
±0.5 ±0.5 ±1.0 ±1.0 ±1.0
3.1 3.1 3.1 3.1 3.1
VIN=15V VIN=20V VIN=21V VIN=24V VIN=25V
VSSL=0.2V
49
ICs
SI-8000S Series
External Dimensions (TO220F-5) (Unit : mm)
Block Diagram
Typical Connection Diagram
Ta-PD Characteristics
The efficiency depends on the input voltage and the output current.
Therefore, obtain the value from the efficiency graph and substi-
tute the percentage in the formula above.
VO:Output voltage
VIN :Input voltage
IO:Output current
ηx:Efficiency (%)
VF:Diode D1 forward voltage
0.5V(RK46)
Thermal design for D1 must be considered separately.
Pin Assignment
qVIN
wSWOUT
eGND
rVOS
tS.S
Plastic Mold Package Type
Flammability: UL94V-0
Product Mass: Approx. 2.3g
Forming No. 1101
10.0
±0.2
4.2
±0.2
0.95
±0.15
8.2
±0.7
2.6
±0.1
3.9
±0.7
(4.3)
(4.6)
(8.0)
(17.9)
(2.0)
0.85
+0.2
–0.1
0.45
+0.2
–0.1
4.0
±0.2
7.9
±0.2
16.9
±0.3
0.5
12345
P1.7
±0.7
×4=6.8
±0.7
2.8
±0.2
3.2
±0.2
φ
2
Reg. OCP
OSC Reset
Amp.
TSD
V
REF
Comp.
Drive
1
4V
OS
V
IN
SW
OUT
GNDS.S.
53
V
IN
C
1
D
1
L
1
V
IN
V
O
GNDS.S
GND GND
SI-8000S
SW
OUT
V
OS
12
3
+
C
2
+
5
4
C1,2 :1000
µ
F
L1:150
µ
H
D1:RK46(Sanken)
15
20
10
5
0
–25 0 25 50
Operating Ambient Temperature Ta (°C)
Power Dissipation PD (W)
75 125100
200×200×2mm
(2.3°C/W)
100×100×2mm
(5.2°C/W)
75×75×2mm
(7.6°C/W)
Infinite heatsink
Without heatsink
With Silicone Grease
Heatsink: Aluminum
PD=VO•IO 100 –1 –VF•IO 1– VO
ηχ
VIN
50 ICs
1-1-3 DC/DC Converter ICs
Unit
V
mV/ °C
%
kHz
mV
mV
A
mA
µA
µA
V
V
µA
V/V
µA/V
V/A
%
nsec.
Features
• DIP8 package
• Introduction of current mode control method
• Output current: 3.5A
• High efficiency: 90% (Vo=5V)
• Built-in reference oscillator (350kHz)
• Built-in drooping-type overcurrent and thermal
protection circuits
• Built-in soft start circuit
• Built-in on/off function (Active Hi)
• Low current consumption during off
Applications
• DVD recorder, FPD-TV
• Onboard local power supplies
• OA equipment
Absolute Maximum Ratings
Unit
V
W
°C
°C
°C/W
°C/W
Ratings
30
1.56
–30 to +150
–40 to +150
25
64
Symbol
VIN
PD
Tj
Tstg
θj-c
θj-a
Parameter
Input Voltage
Power Dissipation*1
Junction Temperature*2
Storage Temperature
Thermal Resistance (Junction to Case)
Thermal Resistance (Junction to Ambient Air)
Conditions
When mounted on glass-epoxy board measuring 70×60 mm (copper laminate area: 1310 mm
2
)
When mounted on glass-epoxy board measuring 70×60 mm (copper laminate area: 1310 mm
2
)
Unit
V
V
A
°C
°C
Ratings
SI-8105QL
Vo+3*1 to 28
0.5 to 24
0 to 3.5
–30 to +125
–30 to +85
Symbol
VIN
Vo
Io
Tjop
Top
Parameter
Input Voltage Range
Output Voltage Range
Output Current Range
Operating Junction Temperature Range
Operating Temperature Range
Recommended Operating Conditions
Electrical Characteristics
Parameter
Reference Voltage
Temperature Coefficient of Reference Voltage
Efficiency
Oscillation Frequency
Line Regulation
Load Regulation
Overcurrent Protection Starting Current
Quiescent Circuit Current
SS Pin Outflow Current at Low Voltage
High Level Voltage
EN Pin Low Level Voltage
Inflow Current at Low Voltage
Error Amplifier Voltage Gain
Error Amplifier Transformer Conductance
Current Sense Amplifier Impedance
Maximum ON Duty
Minimum ON Time
Symbol
VADJ
Conditions
(VADJ/T)
Conditions
η
Conditions
fo
Conditions
VoLINE
Conditions
VoLOAD
Conditions
Is
Conditions
Iq
Conditions
Iq(OFF)
Conditions
ISSL
Conditions
VC/EH
Conditions
VC/EL
Conditions
IC/EH
Conditions
AEA
GEA
1/GCS
DMAX
DMIN
*1: Limited by thermal protection circuit
*2: Note that the detect temperature for thermal protection is about 140°C.
Conditions
Ratings
SI-8105QL
min. typ. max.
0.485 0.500 0.515
VIN=12V, Io=1A
0.05
VIN=12V, Io=1A, Ta=–40 to +85°C
90
VIN=12V, Io=1A
315 350 385
VIN=16V, Io=1A
30 60
VIN=8 to 28V, Io=1A
30 60
VIN=12V, Io=0.1 to 3.5A
3.6 6.0
VIN=12V
18
VIN=12V, Io=0A, VEN=open
20
VIN=12V, Io=0A, VEN=0V
5
VIN=12V, VSSL=0V
2.8
VIN=12V
2.2
VIN=12V
5
VEN=0V
1000
800
0.35
92
100
*: Pin 8 is the SS pin. Soft start at power on can be performed with a capacitor connected to this pin.
The SS pin is pulled up to the power supply in the IC, so applying the external voltage is prohibited.
SI-8100QL
SS8
C5
Soft start
(When Ta=25°C and Vo=5V)
*1: The minimum value of the input voltage range is 4.75 V or Vo +3 V, whichever is higher.
Current Mode Control Step-down Switching Mode
SI-8100QL Series
51
ICs
SI-8100QL Series
External Dimensions (DIP8) (Unit : mm)
78
21
5
4
6
3
9.4±0.3
0.5±0.1
0° to 15°
6.5±0.2
3.4±0.1
3.3±0.2 4.2±0.3
7.5±0.5
1.0
+0.3
-
0.05
1.5
+0.3
-
0.05
0.25
+0.1
-
0.05
2.54
7.6
0.25
M
0.89 TYP
Block Diagram
Typical Connection Diagram
OSC
P.REG
VREF
0.5V
5v_ldo
ON
OFF
7
EN
6
COMP
4
GND
8
SS
1
BS
3
SW
5
FB
2
IN
UVLO
OVP
TSD
Amp
0.5V
5v_ldo
Drive
PWM
LOGIC
Boot
REG
Current
Sense
OCP
Amp
GND
C1
C5
8
7
6C3
D1
R2
GND
C2
I
ADJ
R1
L1 V
O
C4
R3
C6
OPEN
2
IN
EN
SS COMP
SI-8105QL
GND
FB
SW
BS
1
3
5
V
IN
V
FB
C1:10µF/50V
(Murata: GRM55DB31H106KA87)
C2:22µF/16V
(Murata: GRM32ER71A226KE20)
C3:560pF*1
(Murata: GRM18 Type)
C4:10nF
(Murata: GRM18 Type)
C5:10nF
(Murata: GRM18 Type)
L1:10µH
D1:SJPW-T4 (Sanken)
R1:46k (When Vo = 5 V)
R2:5.1k
R3:24k*1
Pin Assignment
1 BS
2 IN
3 SW
4 GND
5 FB
6 COMP
7 EN
8 SS
Plastic Mold Package Type
Flammability: UL 94V-0
Product Mass: Approx. 0.49 g
*1: When Vo=5V
52 ICs
1-1-3 DC/DC Converter ICs
Parameter
Reference Voltage
Temperature Coefficient of Reference Voltage
Efficiency
Oscillation Frequency
Line Regulation
Load Regulation
Overcurrent Protection Starting Current
Low Level Voltage
SS Pin Outflow Current at Low Voltage
Quiescent Circuit Current
Features
• Compact full-mold package (equivalent to
TO220)
• Output current: 3.5 A
High efficiency: 83% (Vo = 5 V, V
IN
= 15 V, Io = 2 A)
• Requires only 6 discrete components
• Built-in reference oscillator (300 kHz)
• Built-in drooping-type overcurrent and thermal
protection circuits
• Built-in soft start circuit (Output ON/OFF
available)
Applications
• DVD recorder, FPD-TV
• OA equipment, such as printers
• Onboard local power supplies
Lineup
Part Number
Vo (V)
Io (A)
Function
SI-8001FFE
(0.8 to 24)
3.5
Soft start
Unit
V
W
W
°C
°C
°C/W
°C/W
Symbol
VIN
PD1-1
PD1-2
PD2-1
PD2-2
Tj
Tstg
θj-c
θj-a
Parameter
Input Voltage
Power Dissipation
(With infinite heatsink)
Power Dissipation
(Without heatsink)
Junction Temperature*1
Storage Temperature
Thermal Resistance (Junction to Case)
Thermal Resistance (Junction to Ambient Air)
Absolute Maximum Ratings
Conditions
Limited by thermal protection circuit, Tj=150°C
Tj=125°C
Limited by thermal protection circuit, Tjmax=150°C
Tj=125°C
Recommended Operating Conditions
*: The minimum value of the input voltage range is 4.5 V or Vo +3 V, whichever is higher.
Parameter
Input Voltage Range
Output Voltage Range
Output Current Range
Operating Junction Temperature Range
Operating Temperature Range
Symbol
VIN
VO
IO
Tjop
Top
Unit
V
V
A
°C
°C
Ratings
SI-8001FFE
Vo+3*1 to 40
0.8 to 24
0 to 3.5
–30 to +125
–30 to +85
*: This product has built-in thermal protection circuits that may activate when the junction temperature exceeds 130°C.
The recommended design for the junction temperature during IC operation is below 125°C.
Ratings
SI-8001FFE
43
22.7
18.2
2.15
1.72
+150
–40 to +150
5.5
58
Symbol
VADJ
Conditions
VADJ/T
Conditions
η
Conditions
fo
Conditions
VOLINE
Conditions
VOLOAD
Conditions
IS
Conditions
VSSL
ISSL
Conditions
Iq
Conditions
Iq(OFF)
Conditions
Electrical Characteristics
Unit
V
mV/ °C
%
kHz
mV
mV
A
V
µA
mA
µA
(R1=4.2k, R2=0.8k when Ta=25°C and Vo=5V)
Ratings
SI-8001FFE
min. typ. max.
0.784 0.800 0.816
VIN=15V, Io=0.2A
±0.1
VIN=15V, Io=0.2A, Tc=0 to 100°C
83
VIN=15V, Io=2A
270 300 330
VIN=15V, Io=2A
55 80
VIN=10 to 30V, Io=2A
15 50
VIN=15V, Io=0.2 to 3.5A
3.6
VIN=15V
0.5
630
VIN=15V, VSS=0V
6
VIN=15V, Io=0A
200 600
VIN=15V, Vss=0V
*: Pin 5 is the SS pin. Soft start at power on can be performed with a capacitor connected to
this pin. The output can also be turned ON/OFF with this pin.
The output is stopped by setting the voltage of this pin to VSSL or lower. SS-pin voltage
can be changed with an open-collector drive circuit of a transistor. When using both the
soft-start and ON/OFF functions together, the discharge current from C3 flows into the ON/
OFF control transistor. Therefore, limit the current securely to protect the transistor if C3
capacitance is large. The SS pin is pulled up (3.7 V typ.) to the power supply in the IC, so
applying the external voltage is prohibited. If this pin is not used, leave it open.
SI-8000FFE SI-8000FFE
SS5SS5SS
C3C3
5
V
O.
ON/OFF Soft start Soft start
+Vo. ON/OFF
SI-8000FFE
Full-Mold, Separate Excitation Step-down Switching Mode
SI-8000FFE Series
53
ICs
SI-8000FFE Series
External Dimensions (TO220F-5) (Unit : mm)
Block Diagram
4
3
GND
2
IN
SS
SW
ADJ
1
5
PReg.
Reset
OSC
+
Comp.
Error Amp.
Latch &
Drive
TSD
ON/OFF
Soft
start
+
+
V
REF
OCP
Typical Connection Diagram
C1:470µF
C2:680µF
C3:0.1µF(Only when using soft-start function)
L1:47µH
D1:RK46(Sanken)
IN
C
1
C
3
Di
L1
R1
R2 C
2
V
IN
GNDSS
GND
SI-8001FFE
SW
I
ADJ
ADJ
12
4
35
+
+
V
OUT
GND
10.0
±0.2
4.2
±0.2
0.95
±0.15
8.2
±0.7
2.6
±0.1
3.9
±0.7
(4.3)
(4.6)
(17.9)
(2.0)
0.85
+0.2
–0.1
0.45
+0.2
–0.1
4.0
±0.2
7.9
±0.2
4.6
±0.6
16.9
±0.3
0.5
12345
P1.7
±0.7
×4=6.8
±0.7
2.8
±0.2
3.2
±0.2
φ
Pin Assignment
q IN
w SW
e GND
r ADJ
t SS
Plastic Mold Package Type
Flammability: UL 94V-0
Product Mass: Approx. 2.3 g
54 ICs
1-1-3 DC/DC Converter ICs
Current Mode Control Step-down Switching Mode
NR111D
Electrical Characteristics (Ta=25°C, VIN=12V, VO=5.0V, and Io=1A, unless otherwise specified)
*: Pin 8 is the SS pin. Soft start at power on can be performed with a capacitor connected to this pin.
The SS pin is pulled up to the power supply in the IC, so applying the external voltage is prohibited.
SS8
C9
NR111D
Features
8pin DIP package
Input voltage range (VIN): VO + 3 to 31 V
Oscillation frequency: 350 kHz
High efficiency under light load
High efficiency: 94% or higher
Current mode control
Stable with low-ESR ceramic output capacitors
Built-in phase compensation component
Output current: 4 A
Reference voltage and accuracy of 0.8 V ± 2%
Adjustable overcurrent threshold
Output ON/OFF available
Undervoltage lockout
Soft start function
Applications
Power supply for LCDTV, STB and Blu-Ray
Power supplies for domestic appliances
On-board local power supply
Switching power supplies
Absolute Maximum Ratings
*: The minimum value of the input voltage range is indicated value or VO + 3 V, whichever is higher.
**: The device must be used within the range indicated by the Ta-PD characteristics.
Input Voltage VIN 35 V
BS Pin Voltage VBS 44 V
Pin Voltage between BS and SW VBS-SW 8 V
SW Pin Voltage VSW 35 V
FB Pin Voltage VFB 5.5 V
EN Pin Voltage V
EN
35 V
SS Pin Voltage VSS 5.5 V
Power Dissipation PD 1.47 W
Junction Temperature Tj –30 to +150 °C
Storage Temperature Tstg –40 to +150 °C
Thermal Resistance (Junction to Lead (4 pins))
j-c 41 °C/W
Thermal Resistance (Junction to Ambient Air)
j-a 85 °C/W
NR111D
When mounted on 70 × 60 mm glass-epoxy
board (with a 1310 mm
2
copper area)
When mounted on 70 × 60 mm glass-epoxy
board (with a 1310 mm
2
copper area)
Input Voltage Range V
IN
6.5 or V
o
+3* to 31 V
Output Current Range I
OUT
0 to 4.0** A
Output Voltage Range V
o
0.8 to 24 V
Operating Temperature Range
T
op
–40 to 85**
Parameter Symbol Ratings Unit
NR111D
Reference Voltage V
REF
0.784 0.800 0.816 V
Temperature Coefficient of Output Voltage
V
REF
/ T
±0.05 mV/°C Ta=–40°C to +85°C
Oscillation Frequency f
SW
350 kHz
Line Regulation V
LINE
50 mV V
IN
=VINmin to 30V
Load Regulation V
Load
50 mV V
IN
=12V, V
o
=5.0V, I
O
=0.1 to I
omax
Overcurrent Protection Starting Current I
s
1 1.5 A ISET=OPEN
I
s
2 5.5 A ISET=SHORT
No-load Circuit Current I
IN
1 mA V
EN
=10k pull up to V
IN
Quiescent Circuit Current I
IN(off)
1 µA Io=0A, V
EN
=0V
SS Pin Outflow Current at Low Voltage I
EN/SS
6 10 14 µA V
SS
=0V
EN Pin Inflow Current I
EN
20 50 µA V
EN
=10V
On Threshold Voltage V
C/EH
0.7 1.4 2.1 V
ISET Pin Open Voltage V
ISET
1.5 V
Maximum ON Duty D
MAX
90 %
Minimum ON Time T
ON(MIN)
150 nsec
Thermal Protection Start Temperature TSD 151 165 °C
Thermal Protection Return Hysteresis TSD_hys 20 °C
SW MOSFET ON Resistance R
on
H 105 m
Ratings
Parameter Symbol NR111D Unit Conditions
min. typ. max.
Recommended Operating Conditions
55
ICs
NR111D
External Dimensions (DIP8) (Unit : mm)
Block Diagram
Typical Connection Diagram
type A type B
P.REG
Current
Sense
Amp
OSC
Drive
REG
PWM
LOGIC
BS
SW
FB
ISET
EN
Err Amp
IN
0.8V
7
6
5
3
1
2
GND 48
SS
OCP
ON/
OFF
VREF 0.8V
UVLO
SS
TSD
Compensation