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VOF-15-48

P1-P3P4-P5
cui.com
date 12/30/2015
page
1 of 5
SERIES: VOF-15 │ DESCRIPTION: AC-DC POWER SUPPLY
PART NUMBER KEY
VOF-15 - XX
Base Number
Output Voltage
FEATURES
• up to 15 W continuous power
• compact size
• universal input (85~264 Vac / 120~375 Vdc)
• single output from 3.3~48 Vdc
• no minimum load required
• 3000 Vac isolation
• over current, over voltage, and short circuit protections
• UL/cUL and TUV 60950-1 safety approvals
• no load power consumption < 0.5 W
• efficiency up to 83%
RoHS
MODEL
output
voltage
output
current
output
power
ripple
1
and noise
efciency
(Vdc)
max
(A)
max
(W)
max
(mVp-p)
typ
(%)
VOF-15-3.3 3.3 3.0 9.9 100 70
VOF-15-5 5 3.0 15 100 75
VOF-15-9* 9 1.67 15 120 78
VOF-15-12 12 1.25 15 120 80
VOF-15-15 15 1.0 15 150 80
VOF-15-24 24 0.63 15 240 82
VOF-15-48 48 0.31 15 480 83
Notes: 1. Ripple & noise are measured at 20 MHz BW with 47 µF ceramic and 100 nF electrolytic capacitors on the output
*. Discontinued
For more information, please visit the product page.
cui.com
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 coefcient ±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.
cui.com
CUI Inc │ SERIES: VOF-15 │ DESCRIPTION: AC-DC POWER SUPPLY date 12/30/2015 │ page 3 of 5
MECHANICAL
parameter conditions/description min typ max units
dimensions 70 x 48.6 x 18 (2.76 x 1.91 x 0.71 inches) mm
cooling method free air convection (see derating curve below)
DERATING CURVES
90
26
4
Load factor (%)
Load factor (%)
Load factor (%)
Input Voltage Vac
85
0
0
20
60
40
80
100
220
220
100
80
40
60
20
0
100
80
40
60
20
0
0
85 110
Input Voltage VacAmbient temperature (°C)
264120
MOUNTING METHOD
2. output power vs. input voltage 1. output power vs. ambient temp.
a. 3.3, 5 V models b. all other models
Horizontal
(performance evaluations conducted under this mounting method)
For more information, please visit the product page.
P1-P3P4-P5

VOF-15-48

Mfr. #:
Buy VOF-15-48
Manufacturer:
Description:
Switching Power Supplies ac-dc, 15 W, 48 Vdc, single output, open PCB
Lifecycle:
New from this manufacturer.
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