MEZD71201A-x Series Datasheet by Monolithic Power Systems Inc.

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Monollthlc Power Systems
mEZD71201A Series
4.5V - 24V Input, 1A, DC/DC Power Supply
mEZD71201A Rev. 1.6 www.MonolithicPower.com
1
7/18/2019 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2019 MPS. All Rights Reserved.
Part Number Input
V
oltage
(V) Output Voltage
(V) Output Current
(A)
MEZD71201A-XA - F:
G:
4.5 - 24
6.5 - 24
1, 1.2, 1.5, 1.8,
2.5, 3.3, 5 1
Output Voltage Options
A = 1.0V
E = 2.5V
B = 1.2V
F = 3.3V
C = 1.5V
G = 5.0V
D = 1.8V
Part Number Input Voltage
(V) Output Voltage
(V) Output Current
(A)
mEZD71201A-X 4.5 – 24 1, 1.2, 1.5, 1.8,
2.5, 3.3, 5 1
mEZD71202A-X 4.5 – 24 1, 1.2, 1.5, 1.8,
2.5, 3.3, 5 2
mEZD71203A-X 4.5 - 16 1, 1.2, 1.5, 1.8,
2.5, 3.3 3
mEZD71210A-A 4.5 – 17 1 10
Input Voltage Range V
IN_MIN
higher than V
OUT
by 1V 4.5 or 6.5 to 24V
Output Voltage Set
Accuracy ±2.5% (Typ.)
Output Voltage Ripple V
IN
= 12V, V
OUT
= 3.3V, Full Load 28mV
Line Regulation V
IN
from MIN to MAX, V
OUT
= 3.3V ±1% (Typ.)
Load Regulation I
OUT
from MIN to MAX, V
OUT
= 3.3V ±1% (Typ.)
Switching Frequency Typical Switching Frequency 400kHz
Short-Circuit Protection Short Output to Ground Hiccup Mode
Operating Temperature
Range -40 to 85°C
Over-Temperature
Protection OTP 150°C
Rise Time V
OUT
from 0% to 90% 0.75ms (Typ.)
Calculated MTBF MIL-HDBK-217F 4185x10
3
hrs
FEATURES
Over-Current Protection
Over-Temperature Protection
Open Design Files and BOM
4.5V to 24V Wide Operating Input
1A Load Current
Hiccup Short-Circuit Protection
Over-/Under-Voltage Protection
Efficiency vs. Load Current
V
IN
=12V, V
OUT
= 1V - 5V
ORDERING INFORMATION
mEZD712xx FAMILY PRODUCTS
ELECTRICAL CHARACTERISTICS
NOTE:
All electrical characteristics are tested under 25°C ambient temperature, V
IN
=12V unless otherwise noted.
mEZ Product Options:
1. Ready-to-Use products
2.
Do-It-Yourself.
Manufacture assistance
is provided
Typical Application Circuit
60
65
70
75
80
85
90
95
100
0 0.2 0.4 0.6 0.8 1
Efficiency (%)
Load Current (A)
VOUT=1.0V
VOUT=1.2V
VOUT=1.5V
VOUT=1.8V
VOUT=2.5V
VOUT=3.3V
VOUT=5V
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mEZD71201A Series
4.5V - 24V Input, 1A, DC/DC Power Supply
mEZD71201A Rev. 1.6 www.MonolithicPower.com
2
7/18/2019 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2019 MPS. All Rights Reserved.
DO-IT-YOURSELF SCHEMATIC
POWER DERATING
DIY71201 -AX
VIN
ADD
BST
SW
VOUT
VCC
PGNDAGND
EN
C5
C2
C1
L1
VIN
VOUT
C4
R1
GND
C3
Inside mEZD71201 A-X
TOP VIEW BOTTOM VIEW
SIDE VIEW
Item Qty RefDes Value Description Package Manufacturer Manufacturer P/N
1 1 C1 0.22µF Ceramic Cap., 16V, X5R 0402 muRata GRM155R61C224KA12D
2 1 C2 4.7µF Ceramic Cap., 50V, X7R 1206 muRata GRM31CR71H475KA12L
3 2 C3, C4 22µF Ceramic Cap., 10V, X7T/X5R 0805 muRata GRM21BD71A226ME44L/
GRM21BR61A226ME51L
4 1 C5 1µF Ceramic Cap., 10V, X5R 0402 muRata GRM155R61A105KE01D
5 1 L1* 4.7µH Idc 3.1A, DCR 45.6m 5.5x5x3mm Panasonics ETQP3M4R7KVP
6 1 R1 499k Film Res., 1% 0402 Yageo RC0402FR-07499KL
7 1 P1 3-pin 3-pin male connector, right angle Bulk MYIC MPS010SRRA-3
8 1 U1 Synchronous Step-Down Converter FCQFN3x3-16 MPS DIY71201-AX**
Pin Designation Function
1 VIN Input Voltage
2 GND Power Ground
3 VOUT Output Voltage
0
20
40
60
80
100
120
25 45 65 85 105 125
Output Power (%)
Ambient Temperature (OC)
VOUT=3.3V
VOUT=5V
V
IN
=12V, V
OUT
=3.3Vand 5V
PRODUCT PACKAGE AND DIMENSIONS
NOTE:
Contact factory for different sizes of the boards (Quantity>2k).
For more information, Gerber files, and PCB layout, please contact
mEZsupport@monolithicpower.com
BILL OF MATERIALS
Natural Convection
* Or equivalent. ** -X Output voltage options (A: 1.0V, B: 1.2V, C: 1.5V, D: 1.8V, E: 2.5V, F: 3.3V, G: 5.0V)

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