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CUI Inc │ SERIES: VOF-15 │ DESCRIPTION: AC-DC POWER SUPPLY date 12/30/2015 │ page 2 of 5
INPUT
parameter conditions/description min typ max units
voltage
85
120
264
375
Vac
Vdc
frequency 47 63 Hz
current 0.6 A
inrush current
110 Vac, full load, cold start
220 Vac, full load, cold start
20
40
A
A
input fuse built-in, non-user serviceable
OUTPUT
parameter conditions/description min typ max units
line regulation
3.3 Vdc model
all other models
±0.6
±0.5
%
%
load regulation
3.3 Vdc model
all other models
±1.2
±1
%
%
temperature coefcient ±0.05 %/°C
hold-up time at 115 Vac, full load 16 ms
adjustability adjustable with built-in trim pot ±5 %
switching frequency 100 kHz
no load power consumption 0.5 W
PROTECTIONS
parameter conditions/description min typ max units
over voltage protection clamped by TVS
over current protection 5 Vdc model latches off
all other models automatically recover 105 %
short circuit protection
protected, long term short circuit may reduce
reliability
SAFETY & COMPLIANCE
parameter conditions/description min typ max units
isolation voltage input to output at 20 mA for 1 minute 3,000 Vac
isolation resistance input to output at 500 Vdc at 25°C 50 MΩ
safety approvals TUV EN 60950, UL/cUL 60950-1
EMI/EMC FCC class B, EN 55022 class B, CE
leakage current 0.25 mA
RoHS 2011/65/EU
MTBF according to MIL-HDBK-217F 250,000 hours
ENVIRONMENTAL
parameter conditions/description min typ max units
operating temperature see derating curve 0 60 °C
storage temperature -25 75 °C
operating humidity non-condensing 20 90 %
storage humidity non-condensing 20 90 %
For more information, please visit the product page.