• over current, over voltage, and short circuit protections
• UL/cUL and TUV 60950-1 safety approvals
• efficiency up to 89%
MODEL
VOF-50-5
VOF-50-12
VOF-50-15
VOF-50-24
Notes:
output
voltage
(Vdc)
output
current
max
(A)
output
power
max
(W)
ripple
and noise
1
max
(mVp-p)
efficiency
typ
(%)
5
12
15
24
6.67
4.2
3.4
2.1
33.35
50
50
50
120
120
150
240
82
87
88
89
1. Ripple & noise are measured at 20 MHz BW with 0.1 μF ceramic cap and a 10 μF electrolytic capacitors on the output and the two earth ground pads are connected to
input earth ground.
PART NUMBER KEY
VOF-50
-
XX
Base Number
Output Voltage
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SERIES:
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DESCRIPTION:
AC-DC POWER SUPPLY
date
07/22/2014
│
page
2 of 5
INPUT
parameter
voltage
frequency
input current
inrush current
leakage current
no load power consumption
input fuse
at 115 Vac, full load
at 230 Vac, full load
at 230 Vac, cold start
at 277 Vac
at 110 Vac
at 230 Vac
2 A/250V time delay fuse (included)
conditions/description
min
90
47
1.1
0.5
50
3.5
0.19
0.30
typ
max
277
63
units
Vac
Hz
A
A
A
mA
W
W
OUTPUT
parameter
line regulation
load regulation
initial set point accuracy
1 kHz, 10~100% load
VOF-50-5
VOF-50-12
VOF-50-15
VOF-50-24
at 115 Vac, full load
at 115 Vac, full load
at 115 Vac, full load
built in trim pot
61
8
50
1000
±5
65
±0.03
69
conditions/description
low line to high line
full load to 10% load
min
typ
±0.5
±1
±3
500
1200
1500
2400
max
units
%
%
%
mVp-p
mVp-p
mVp-p
mVp-p
ms
ms
ms
%
kHz
%/°C
transient response
hold-up time
start-up time
start-up delay
adjustability
switching frequency
temperature coefficient
PROTECTIONS
parameter
short circuit protection
over current protection
over voltage protection
conditions/description
hiccup, auto recovery
hiccup, auto recovery
clamped by TVS
min
110
110
typ
max
units
%
%
SAFETY & COMPLIANCE
parameter
isolation voltage
safety approvals
conditions/description
input to output
input to ground
output to ground
UL60950-1, EN60950-1
EN 55022: 2010 Class B, EN 61204-3:2000, EN
61000-6-3: 2007 +A1: 2011, EN 61000-3-2:
2006 +A2: 2009, EN 61000-3-3: 2008, EN 55024:
2010, EN 61000-6-1: 2007, ENV 50204: 1995, CE,
FCC
class II
as per MIL-HDBK-217F at 25 °C, full load
2011/65/EU
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 directives.
min
3,000
1,500
1,500
typ
max
units
Vac
Vac
Vac
EMI/EMC
1
class
MTBF
RoHS
Notes:
250,000
hours
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SERIES:
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DESCRIPTION:
AC-DC POWER SUPPLY
date
07/22/2014
│
page
3 of 5
ENVIRONMENTAL
parameter
operating temperature
storage temperature
operating humidity
storage humidity
operating altitude
vibration & shock
10~3000Hz, 10 minutes per cycle, for 1 hour
along each of the X, Y, and Z axes
non-condensing
non-condensing
conditions/description
see derating curves
min
-20
-40
20
20
2000
2
typ
max
60
85
90
90
units
°C
°C
%
%
m
G
DERATING CURVES
Temperature Derating Curve
100
85
at 110 Vac
Load vs Input Voltage
100
90
Ta=25°C
Load (%)
60
50
40
20
Load (%)
40
50
60
70
80
60
40
20
Safe operating area
-20
0
10
Ambient Temperature (°C)
20
30
90
95
100
105
110
115
120
125
277
Input Voltage (Vac)
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SERIES:
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DESCRIPTION:
AC-DC POWER SUPPLY
date
07/22/2014
│
page
4 of 5
MECHANICAL
parameter
dimensions
weight
cooling method
open frame (convection)
conditions/description
101.6 x 50.8 x 33.6 (4.00 x 2.00 x 1.32 inch)
160
min
typ
max
units
mm
g
MECHANICAL DRAWING
units: mm[inch]
tolerance: ±0.30
CN1
PIN
1
2
3
Function
L
NP
N
CN2
PIN
1
2
3
4
Function
+Vo
+Vo
-Vo
-Vo
Notes:
1. CN1 mates with Molex housing 09-50-3031 with Molex 2478 series crimp contact or equivalent.
2. CN2 mates with Molex housing 09-50-3041 with Molex 2478 series crimp contact or equivalent.
3. All specifications are measured at Ta=25°C, 230 Vac input voltage, and rated output load unless otherwise specified.
cui.com
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SERIES:
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DESCRIPTION:
AC-DC POWER SUPPLY
date
07/22/2014
│
page
5 of 5
REVISION HISTORY
rev.
1.0
1.01
1.02
description
initial release
updated datasheet
updated datasheet
date
04/08/2014
05/09/2014
07/22/2014
The revision history provided is for informational purposes only and is believed to be accurate.
Headquarters
20050 SW 112th Ave.
Tualatin, OR 97062
800.275.4899
CUI offers a two (2) year limited warranty. Complete warranty information is listed on our website.
Fax 503.612.2383
cui.com
techsupport@cui.com
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.
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