Additional Resources: Product Page | 3D Model
date 06/10/2015
page 1 of 6
SERIES: VSK-S15 DESCRIPTION: AC-DC POWER SUPPLY
FEATURES
up to 15W continuous power
compact board mount design
universal input (85~264 Vac / 100~370 Vdc)
single output from 3.3~48 Vdc
over voltage, over current, and short circuit protections
UL/cUL safety approvals
efficiency up to 85%
output output output ripple efficiency
MODEL
1
voltage current power and noise
max max typ typ
(Vdc) (A) (W) (mVp-p) (%)
VSK-S15-3R3U 3.3 3 9.9 50 73
VSK-S15-5U 5 2.8 14 50 76
VSK-S15-9U 9 1.6 14.4 50 78
VSK-S15-12U 12 1.25 15 50 80
VSK-S15-15U 15 1.0 15 50 80
VSK-S15-24U 24 0.625 15 50 84
VSK-S15-48U 48 0.32 15 50 85
Notes: 1. Ripple and noise are measured at 20 MHz BW by parallel cable method with 1 uF ceramic and 10 uF electrolytic capacitors on the output.
PART NUMBER KEY
VSK-S15 - XXU
Base Number Output Voltage
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CUI Inc SERIES: VSK-S15 DESCRIPTION: AC-DC POWER SUPPLY date 06/10/2015 page 2 of 6
INPUT
parameter conditions/description min typ max units
85 264 Vac
voltage
100 370 Vdc
frequency 47 63 Hz
at 115 Vac 370 mA
current
at 230 Vac 220 mA
at 115 Vac 10 A
inrush current
at 230 Vac 20 A
leakage current at 230 Vac, 50 Hz (RMS) 0.1 mA
input fuse 2 A/250 V, slow-blow type (external)
OUTPUT
parameter conditions/description min typ max units
3.3 Vdc output model 36,000 F
5 Vdc output model 20,000 F
9 Vdc output model 6,000 F
capacitive load 12 Vdc output model 3,000 F
15 Vdc output model 3,000 F
24 Vdc output model 900 F
48 Vdc output model 370 F
line regulation at full load 0.5 %
load regulation at 10~100% load 1 %
voltage set accuracy 2 %
at 115 Vac 15 ms
hold-up time
at 230 Vac 80 ms
switching frequency 65 kHz
temperature coefficient 0.02 %/C
PROTECTIONS
parameter conditions/description min typ max units
over current protection auto restart 110 %
short circuit protection continuous, auto restart
3.3 Vdc output model 7.5 Vdc
5 Vdc output model 7.5 Vdc
9 Vdc output model 12 Vdc
over voltage protection 12 Vdc output model 20 Vdc
15 Vdc output model 20 Vdc
24 Vdc output model 30 Vdc
48 Vdc output model 60 Vdc
SAFETY & COMPLIANCE
parameter conditions/description min typ max units
isolation voltage input to output for 1 minute 3,000 Vac
safety approvals UL60950-1, CE
safety class class II
conducted emissions CISPR22/EN55022, Class B
radiated emissions CISPR22/EN55022, Class B
ESD IEC/EN61000-4-2 Class B, contact 6 kV/air 8 kV
radiated immunity IEC/EN61000-4-3 Class A, 10V/m
IEC/EN61000-4-4 Class B, 2 kV
EFT/burst
IEC/EN61000-4-4 Class B, 4 kV (external circuit required, see figure 2)
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