cui.com
date 09/11/2012 │ page 2 of 4CUI Inc │ SERIES: VSKM-S10 │ DESCRIPTION: MEDICAL AC-DC POWER SUPPLY
INPUT
parameter conditions/description min typ max units
voltage
85
120
264
370
Vac
Vdc
frequency 47 63 Hz
current
at 110 Vac
at 230 Vac
230
150
mA
mA
inrush current
at 110 Vac
at 230 Vac
10
20
A
A
input fuse slow blow, 250 V 2 A
leakage current 230 V ac, 50 Hz 0.1 mA
OUTPUT
parameter conditions/description min typ max units
line regulation ±0.5 %
load regulation 10 ~ 100% ±1 %
temperature coeffi cient 0.02 %/°C
hold-up time at 230 Vac 50 ms
voltage set point accuracy
3.3 V output
all other models
±3
±2
%
%
switching frequency 60 kHz
PROTECTIONS
parameter conditions/description min typ max units
over current protection 110 %
short circuit protection auto recovery with no damage from a short on any output
SAFETY & COMPLIANCE
parameter conditions/description min typ max units
isolation voltage primary to secondary (for 1 minute) 4,000 Vac
safety approvals IEC 60601-1, EN 60601-1, UL 60601-1
safety class class II
EMI/EMC
1
EN 55011 (level B), IEC/EN 61000-4-2 level 4 (8kV/15kV), IEC/EN 61000-4-3, IEC/EN 61000-4-4 level
4 (4kV), IEC/EN 61000-4-5 level 4 (2kV/4kV)
RoHS compliant yes
MTBF 25°C 300,000 hrs
Notes: 1. external EMC application circuit is required
ENVIRONMENTAL
parameter conditions/description min typ max units
operating temperature -25 70 °C
storage temperature -40 105 °C
case temperature 95 °C
operating humidity non-condensing 95 %
For more information, please visit the product page.