Additional Resources: Product Page | 3D Model | PCB Footprint
date 07/17/2013
page 1 of 4
SERIES: VBM-100 DESCRIPTION: AC-DC POWER SUPPLY
FEATURES
up to 100 W isolated output
baseplate cooling
active PFC meets EN61000-3-2 Class D
17mm ultra low profile encapsulated packaging
universal input (90~264 Vac)
no load power consumption < 0.5 W
single output from 12~48 Vdc
4,242 Vdc isolation
wide operating temperature range (-20C~85C)
over temperature, over voltage, and short circuit protections
high efficiency up to 92%
RoHS
output output output ripple efficiency
MODEL
1
voltage current power and noise
max max max typ
(Vdc) (A) (W) (mVp-p) (%)
VBM-100-12 12 8.4 100 120 90
VBM-100-24 24 4.2 100 240 91
VBM-100-28 28 3.6 100 280 91
VBM-100-36 36 2.8 100 360 91
VBM-100-48 48 2.1 100 480 92
Notes: 1. ripple and noise are measured at 20 MHz BW with 10F electrolytic capacitor and 0.1F ceramic capacitor across output
PART NUMBER KEY
VBM-100 - XX - X
Base Number Output Voltage Heatsinkblan = No
H = Yes
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CUI Inc SERIES: VBM-100 DESCRIPTION: AC-DC POWER SUPPLY date 07/17/2013 page 2 of 4
INPUT
parameter conditions/description min typ max units
voltage 90 264 Vac
frequency 47 63 Hz
inrush current at 240 Vac 100 A
leakage current at 264 Vac 3.5 mA
no load power consumption 0.5 W
OUTPUT
parameter conditions/description min typ max units
line regulation high line to low line, full load 0.5 %
load regulation 60% 40% rated load 1 %
voltage accuracy set at 60% rated load and 25C 1 %
hold-up time 16 ms
switching frequency 130 kHz
temperature coefficient 0.05 %/C
PROTECTIONS
parameter conditions/description min typ max units
over voltage protection recycle ac input to restart
short circuit protection hiccup mode, recovers automatically
over temperature protection auto recovery
SAFETY AND COMPLIANCE
parameter conditions/description min typ max units
isolation voltage input to output 4,242 Vdc
safety approvals IEC 60950-1, EN 60950-1, UL 60950-1
EMI/EMC EN 55022 Class B, FCC Part 15 Class B, EN 61000-6-(1,3), EN 61000-3-(2,3), EN 55024, EN 61204-3
RoHS compliant yes
ENVIRONMENTAL
parameter conditions/description min typ max units
operating temperature see derating curves -20 85 C
storage temperature -40 100 C
humidity non-condensing 93 %
DERATING CURVES
100
115 Vac w/
230 Vac w/
230 Vac
115 Vac
heat sink
heat sink
80
60
40
20
0
-20 -10 010203040506070808590
Ambient Temperature (C)
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Rated Load (%)