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 noise
1
efciency
(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Conguration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.
cui.com
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gure3)
surge IEC/EN61000-4-5classB,±2kV(externalcircuitrequired,seegure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.