cui.com
date 06/10/2015 │ page 2 of 6CUI Inc │ SERIES: VSK-S15 │ DESCRIPTION: AC-DC POWER SUPPLY
INPUT
parameter conditions/description min typ max units
voltage
85
100
264
370
Vac
Vdc
frequency 47 63 Hz
current
at 115 Vac
at 230 Vac
370
220
mA
mA
inrush current
at 115 Vac
at 230 Vac
10
20
A
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
capacitive load
3.3 Vdc output model
5 Vdc output model
9 Vdc output model
12 Vdc output model
15 Vdc output model
24 Vdc output model
48 Vdc output model
36,000
20,000
6,000
3,000
3,000
900
370
μF
μF
μF
μF
μF
μF
μF
line regulation at full load ±0.5 %
load regulation at 10~100% load ±1 %
voltage set accuracy ±2 %
hold-up time
at 115 Vac
at 230 Vac
15
80
ms
ms
switching frequency 65 kHz
temperature coefcient ±0.02 %/°C
PROTECTIONS
parameter conditions/description min typ max units
over current protection auto restart 110 %
short circuit protection continuous, auto restart
over voltage protection
3.3 Vdc output model
5 Vdc output model
9 Vdc output model
12 Vdc output model
15 Vdc output model
24 Vdc output model
48 Vdc output model
7.5
7.5
12
20
20
30
60
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
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
EFT/burst
IEC/EN61000-4-4 Class B, ±2 kV
IEC/EN61000-4-4 Class B, ±4 kV (external circuit required, see gure 2)
For more information, please visit the product page.