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VSK-S1 Series Datasheet

CUI Inc.

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Datasheet

cui.com
date 10/26/2015
page 1 of 5
SERIES: VSK-S1 DESCRIPTION: AC-DC POWER SUPPLY
MODEL output
voltage
output
current
output
power
ripple
and noise1
efficiency
(Vdc)
max
(mA)
max
(W)
max
(mVp-p)
typ
(%)
VSK-S1-3R3U 3.3 300 1 200 63
VSK-S1-5U 5 200 1 200 68
VSK-S1-9U 9 111 1 200 72
VSK-S1-12U 12 83 1 200 73
VSK-S1-15U 15 67 1 200 74
VSK-S1-24U 24 42 1 200 75
Notes: 1.Atfullload20MHzbandwidthoscilloscope,seeTestConfigurationsection.
PART NUMBER KEY
VSK-S1 - XX U
BaseNumber OutputVoltage
FEATURES
•upto1Wcontinuouspower
•compactboardmountdesign
•universalinput(85~305Vac/120~430Vdc)
•singleoutputfrom3.3~24Vdc
•overcurrentandshortcircuitprotection
•UL/cULandCEsafetyapprovals
•efficiencyupto75%
For more information, please visit the product page.
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date 10/26/2015 page 2 of 5CUI Inc SERIES: VSK-S1 DESCRIPTION: AC-DC POWER SUPPLY
INPUT
parameter conditions/description min typ max units
voltage 85
120
305
430
Vac
Vdc
frequency 47 63 Hz
current at 115 Vac
at 230 Vac
37
21
mA
mA
inrushcurrent at 115 Vac
at 230 Vac
7
14
A
A
leakagecurrent 0.15 mA
noloadpowerconsumption 0.2 W
OUTPUT
parameter conditions/description min typ max units
maximum capacitive load
3.3 and 5 Vdc output models
9 and 12 Vdc output models
15 Vdc output model
24 Vdc output model
4,000
2,200
1,000
680
μF
μF
μF
μF
lineregulation at full load ±2 %
loadregulation at10~100%load ±5 %
voltageaccuracy 3.3 Vdc model
allothermodels
±6
±5
%
%
switchingfrequency 100 kHz
PROTECTIONS
parameter conditions/description min typ max units
overcurrentprotection autorestart 110 %
shortcircuitprotection continuous,autorestart
SAFETY & COMPLIANCE
parameter conditions/description min typ max units
isolationvoltage inputtooutputfor1minute 3,000 Vac
safetyapprovals UL 60950-1
safetyclass class II
conducted/radiatedemissions CISPR22/EN55022ClassB
ESD IEC/EN61000-4-2classB,contact±4kV,air±8kV
radiatedimmunity IEC/EN61000-4-3classA,10V/m
EFT/burst IEC/EN61000-4-4classB,±2kV(externalcircuitrequired,seefigure3)
surge IEC/EN61000-4-5classB,±2kV(externalcircuitrequired,seefigure3)
conductedimmunity IEC/EN61000-4-6classA,10Vr.m.s
PFM IEC/EN61000-4-8classA,10A/m
voltagedips&interruptions IEC/EN61000-4-11classB,0%-70%
MTBF asperMIL-HDBK-217F,25°C 300,000 hours
RoHS 2011/65/EU
ENVIRONMENTAL
parameter conditions/description min typ max units
operatingtemperature seederatingcurves -25 70 °C
storagetemperature -25 85 °C
operatinghumidity non-condensing 90 %
storagehumidity non-condensing 95 %
For more information, please visit the product page.
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date 10/26/2015 page 3 of 5CUI Inc SERIES: VSK-S1 DESCRIPTION: AC-DC POWER SUPPLY
DERATING/EFFICIENCY CURVES
Frontview
Bottom view

>@
>
@
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
>@
>@

>@
2
13
4

> @
>@
1.10[0.43]
1
2
4
3
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
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>@
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Recommended PCB Layout
Top View
MECHANICAL DRAWING
MECHANICAL
parameter conditions/description min typ max units
dimensions 33.70 x 22.20 x 18.00 (1.327 x 0.874 x 0.708 inch) mm
casematerial UL94V-0
weight 20 g
units: mm [inches]
tolerance:±0.50[±0.020]
pinsectiontolerance:±0.10mm[±0.004]
PINCONNECTIONS
PIN FUNCTION
1 AC(N)
2 AC(L)
3-Vo
4+Vo
~
~~
~
100
80
60
40
20
Ambient Temperature (°C)
Load (%)
50
-25 -10 55 70
Input Voltage (Vac/Vdc)
~
~
~
~
100
80
60
40
20
85
120
100
140
305
430
Load (%)
50
55
60
65
70
75
80
85
90
85 120220 240264 305
10
20
30
40
50
60
70
80
90
10 20 30 40 50 60 70 80 90 100
VSK-S1-5U
VSK-S1-12U
VSK-S1-24U
VSK-S1-5U
VSK-S1-12U
VSK-S1-24U
Load (%)
Efficiency (%)
Input Voltage (Vac)
Efficiency (%)
outputpowervs.ambienttemperature
(85~305Vac;120~430Vdc)
efficiencyvs.outputpower
(Vin=230 Vac)
efficiencyvs.inputvoltage
(full load)
outputpowervs.inputvoltage
(25°C)
For more information, please visit the product page.
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date 10/26/2015 page 4 of 5CUI Inc SERIES: VSK-S1 DESCRIPTION: AC-DC POWER SUPPLY
TYPICAL APPLICATION CIRCUIT
TEST CONFIGURATION
EMC RECOMMENDED CIRCUIT
LC M
C2
CX
C
MOV
AC
(L)
AC (N)
R1
AC (L)
AC (N)
+Vo
-Vo
+
C1
RL
TV S
FU SE
AC /DC
Y3
CY4
Figure 2
Figure 3
Figure 1
Table 2
Table 1
Externalcomponents
C1 1μFceramic
C2 10μFelectrolytic
Notes: 1.SeeTable2forEMCcomponents.
 2.TVSisarecommendedcomponenttoprotectpost-circuitsifconverterfails.
 3.C1isaceramiccapacitorusedtofilterhighfrequencynoise.
 4.C2isanelectrolyticcapacitor.Werecommendusinghighfrequencyandlowimpedenceelectrolyticcapacitors.Forcapacitanceandcurrentofcapacitorpleaserefertothe
 manufacture’sdatasheet.Voltagederatingofcapacitorshouldbe80%orabove.
 5.Allspecificationsaremeasuredatratedinputvoltage,ratedoutputload,TA=25°C,andhumidity<75%unlessotherwisespecified.
C2
MOV
AC(L)
AC(N)
NTC
AC(L)
AC(N)
+Vo
-Vo
+
C1
RL
TV S
FU SE
AC/DC
CX
AC/DC
+Vo
-Vo
FUSE
AC(L)
A
C(N)
25.4mm25.4mm
C1 C2
12.7mm
Copper sheet
Connect
Oscillograph Prob
e
Load
AC(L)
AC(N)
Recommendedexternalcircuitcomponents
Model FUSE MOV NTC R1 CY3, CY4 CX LCM TVS1C12C23
VSK-S1-3R3U 1A/300V,slowblow S14K350 10D-11 47Ω/3W 2.2nF/400V 0.4μF/305Vac 10 mH SMBJ7.0A 1μF/50V 220μF
VSK-S1-5U 1A/300V,slowblow S14K350 10D-11 47Ω/3W 2.2nF/400V 0.1μF/305Vac 10 mH SMBJ7.0A 1μF/50V 220μF
VSK-S1-9U 1A/300V,slowblow S14K350 10D-11 47Ω/3W 2.2nF/400V 0.1μF/305Vac 10 mH SMBJ12A 1μF/50V 120μF
VSK-S1-12U 1A/300V,slowblow S14K350 10D-11 47Ω/3W 2.2nF/400V 0.1μF/305Vac 10 mH SMBJ20A 1μF/50V 120μF
VSK-S1-15U 1A/300V,slowblow S14K350 10D-11 47Ω/3W 2.2nF/400V 0.1μF/305Vac 10 mH SMBJ20A 1μF/50V 120μF
VSK-S1-24U 1A/300V,slowblow S14K350 10D-11 47Ω/3W 2.2nF/400V 0.1μF/305Vac 10 mH SMBJ30A 1μF/50V 68μF
For more information, please visit the product page.
date 10/26/2015 page 5 of 5CUI Inc SERIES: VSK-S1 DESCRIPTION: AC-DC POWER SUPPLY
CUIoffersatwo(2)yearlimitedwarranty.Completewarrantyinformationislistedonourwebsite.
CUIreservestherighttomakechangestotheproductatanytimewithoutnotice.InformationprovidedbyCUIisbelievedtobeaccurateandreliable.However,noresponsibilityis
assumedbyCUIforitsuse,norforanyinfringementsofpatentsorotherrightsofthirdpartieswhichmayresultfromitsuse.
CUIproductsarenotauthorizedorwarrantedforuseascriticalcomponentsinequipmentthatrequiresanextremelyhighlevelofreliability.Acriticalcomponentisanycomponentofa
lifesupportdeviceorsystemwhosefailuretoperformcanbereasonablyexpectedtocausethefailureofthelifesupportdeviceorsystem,ortoaffectitssafetyoreffectiveness.
Headquarters
20050 SW 112th Ave.
Tualatin, OR 97062
800.275.4899
Fax503.612.2383
cui.com
techsupport@cui.com
rev. description date
1.0 initialrelease 06/04/2012
1.01 pictureupdated 09/06/2012
1.02 updatedderatingcurvesandspec 11/12/2013
1.03 internalinductor&PCBstructurechanged 10/26/2015
Therevisionhistoryprovidedisforinformationalpurposesonlyandisbelievedtobeaccurate.
REVISION HISTORY
For more information, please visit the product page.

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