Additional Resources: Product Page | 3D Model
date 11/03/2014
page 1 of 5
SERIES: VOF-100 DESCRIPTION: AC-DC POWER SUPPLY
FEATURES
up to 100 W continuous power
compact size
universal input (90~277 Vac)
single output from 12~48 Vdc
user trimmable output voltage option
no load power consumption <0.25W
3000 Vac isolation
over current, over voltage, and short circuit protections
UL/cUL and TUV 60950-1 safety approvals
efficiency up to 87.5%
output output output ripple efficiency
MODEL
1 2
voltage current power and noise
max max max typ
(Vdc) (A) (W) (mVp-p) (%)
VOF-100-12 12 8.4 100 120 85
VOF-100-15 15 6.7 100 150 86
VOF-100-24 24 4.2 100 240 87
VOF-100-48 48 2.1 100 480 87.5
Notes: 1. Total continuous output power will not exceed 100W with forced air 6.7 CFM external fan, 85W without fan
2. Ripple & noise are measured at 20 MHz BW with 0.1 F ceramic cap and a 10 F electrolytic capacitors on the output and the two earth ground pads are connected to
input earth ground.
PART NUMBER KEY
VOF-100 - XX
Base Number Output Voltage
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CUI Inc SERIES: VOF-100 DESCRIPTION: AC-DC POWER SUPPLY date 11/03/2014 page 2 of 5
INPUT
parameter conditions/description min typ max units
voltage 90 277 Vac
frequency 47 63 Hz
at 115 Vac, full load 2.0 A
input current
at 230 Vac, full load 1.4 A
inrush current at 230 Vac, cold start 60 A
leakage current at 277 Vac 3.5 mA
at 110 Vac 0.25 W
no load power consumption
at 230 Vac 0.35 W
input fuse 4 A/250V time delay fuse (included)
OUTPUT
parameter conditions/description min typ max units
line regulation low line to high line 0.5 %
load regulation full load to 10% load 1 %
initial set point accuracy 3 %
1 kHz, 10~100% load
VOF-100-12 1200 mVp-p
transient response VOF-100-15 1500 mVp-p
VOF-100-24 2400 mVp-p
VOF-100-48 4800 mVp-p
hold-up time at 115 Vac, full load 8 ms
start-up time at 115 Vac, full load 50 ms
start-up delay at 115 Vac, full load 1000 ms
adjustability built in trim pot 5 %
switching frequency 61 65 69 kHz
temperature coefficient 0.03 %/C
fan drive 12 Vdc/100 mA for external fan
PROTECTIONS
parameter conditions/description min typ max units
short circuit protection hiccup, auto recovery 110 %
over current protection hiccup, auto recovery 110 %
over voltage protection clamped by TVS
SAFETY & COMPLIANCE
parameter conditions/description min typ max units
input to output 3,000 Vac
isolation voltage input to ground 1,500 Vac
output to ground 1,500 Vac
safety approvals UL60950-1, EN60950-1
EN 55022: 2010 Class B, EN 61204-3:2000, EN
61000-6-3: 2007 +A1: 2011, EN 61000-3-2:
1
EMI/EMC 2006 +A2: 2009, EN 61000-3-3: 2008, EN 55024:
2010, EN 61000-6-1: 2007, ENV 50204: 1995, CE,
FCC
class class II
MTBF as per MIL-HDBK-217F at 25 C, full load 250,000 hours
RoHS 2011/65/EU
Notes: 1. The power supply is considered a component which will be installed into final equipment. The final equipment still must be tested to meet the necessary EMC directiv es.
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