Product Page 3D Model
A
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XX
f\
umber Output v
cui.com
date 12/29/2015
page 1 of 5
SERIES: VOF-10 │ DESCRIPTION: AC-DC POWER SUPPLY
PART NUMBER KEY
VOF-10 - XX
Base Number Output Voltage
FEATURES
• up to 10 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 78%
RoHS
MODEL output
voltage
output
current
output
power
ripple1
and noise
efficiency
(Vdc)
max
(A)
max
(W)
max
(mVp-p)
typ
(%)
VOF-10-3.3 3.3 2.4 8 100 70
VOF-10-5 5 2.0 10 100 75
VOF-10-9* 9 1.11 10 120 75
VOF-10-12 12 0.83 10 120 75
VOF-10-15 15 0.67 10 150 75
VOF-10-24 24 0.42 10 240 78
VOF-10-48* 48 0.21 10 480 78
Notes: 1. Ripple & noise are measured at 20 MHz BW with 47 µF ceramic and 100 nF electrolytic capacitors on the output
*. Discontinued.
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Product Page 30 Model
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CUI Inc │ SERIES: VOF-10 │ DESCRIPTION: AC-DC POWER SUPPLY date 12/29/2015 │ page 2 of 5
INPUT
parameter conditions/description min typ max units
voltage 85
120
264
375
Vac
Vdc
frequency 47 63 Hz
input current 0.6 A
inrush current 110 Vac, full load, cold start
220 Vac, full load, cold start
15
30
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 coefficient ±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 48 Vdc model
all other models
0.7
0.5
W
W
PROTECTIONS
parameter conditions/description min typ max units
over voltage protection clamped by TVS
over current protection automatically recovers 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 10 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 -20 85 °C
operating humidity non-condensing 20 90 %
storage humidity non-condensing 20 90 %
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Product Page 30 Model
100
an
60
40
20
Convecuon
Lead Vacmr ("/a)
U 10 20 3D 40 50 60 70
Ammem (emperamre( c)
cui.com
CUI Inc │ SERIES: VOF-10 │ DESCRIPTION: AC-DC POWER SUPPLY date 12/29/2015 │ page 3 of 5
MECHANICAL
parameter conditions/description min typ max units
dimensions 65 x 45 x 18.5 (2.56 x 1.77 x 0.73 inches) mm
cooling method free air convection (see derating curve below)
DERATING CURVES
MOUNTING METHOD
Horizontal
(performance evaluations conducted under this mounting method)
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+
H H I:
°_4&_=F
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cui.com
CUI Inc │ SERIES: VOF-10 │ DESCRIPTION: AC-DC POWER SUPPLY date 12/29/2015 │ page 4 of 5
MECHANICAL DRAWING
18.5 0.728
1.0
+Vo
0.3749.5
0.1
54.5
0.413
0.1
12.5
0.1
10.5
0.492
0.1(2 PLCS)
2.146
0.043
1.1
(4 PLCS) 0.1
1.772
1.0
45.0
65.02.559
1.0
7.50.295
0.1
N
L
GND
0.039
1.0
(4 PLCS)
8.00.315
(4 PLCS)
units: mm [inches]
tolerance: ±0.3 [±0.01]
unless otherwise noted
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Product Page 30 Model
CUI Inc │ SERIES: VOF-10 │ DESCRIPTION: AC-DC POWER SUPPLY date 12/29/2015 │ page 5 of 5
CUI offers a two (2) year limited warranty. Complete warranty information is listed on our website.
CUI reserves the right to make changes to the product at any time without notice. Information provided by CUI is believed to be accurate and reliable. However, no responsibility is
assumed by CUI for its use, nor for any infringements of patents or other rights of third parties which may result from its use.
CUI products are not authorized or warranted for use as critical components in equipment that requires an extremely high level of reliability. A critical
component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to
affect its safety or effectiveness.
Headquarters
20050 SW 112th Ave.
Tualatin, OR 97062
800.275.4899
Fax 503.612.2383
cui.com
techsupport@cui.com
rev. description date
1.0 initial release 03/18/2010
1.01 new template applied 05/13/2011
1.02 added MTBF data 09/20/2011
1.03 V-Infinity branding removed 08/21/2012
1.04 discontinued 9 & 48 Vdc models 12/29/2015
The revision history provided is for informational purposes only and is believed to be accurate.
REVISION HISTORY
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