CUI VOF

date
06/06/2011
page
1 of 5
SERIES: VOF-80 │ DESCRIPTION: AC-DC POWER SUPPLY
FEATURES
•
•
•
•
•
•
•
•
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Up to 80 W continuous power
<0.5W no load power consumption
Industry standard footprint
Universal input (85-264 Vac)
Single output from 3.3 to 48V
User trimmable output voltage
3000V isolation
Over current, over voltage, and short circuit protections
UL/cUL and TUV 60950-1 safety approvals
Efficiency up to 89%
RoHS
MODEL
VOF-80-3.3
VOF-80-5
output
voltage
output
current
output
power
ripple1
and noise
efficiency
(Vdc)
max
(A)
max
(W)
max
(mVp-p)
typ
(%)
3.3
10
33
120
75
5
10
50
120
76
VOF-80-12
12
6.66
80
120
85
VOF-80-15
15
5.33
80
150
86
VOF-80-24
24
3.33
80
240
87
VOF-80-48
48
1.66
80
480
89
Notes:
1. Ripple & noise are measured at 20 MHz BW with 0.1 μF ceramic and 10 μF electrolytic capacitors on the output
PART NUMBER KEY
VOF-80 - XX
Base Number
Output Voltage
cui.com
CUI Inc │ SERIES: VOF-80 │ DESCRIPTION: AC-DC POWER SUPPLY
date 06/06/2011 │ page 2 of 5
INPUT
parameter
conditions/description
min
voltage
frequency
input current
110 Vac
220 Vac
inrush current
115 Vac, full load, cold start
220 Vac, full load, cold start
input fuse
built-in, non-user serviceable
max
units
85
120
typ
264
375
Vac
Vdc
47
63
Hz
1.5
0.8
A
A
25
50
A
A
max
units
OUTPUT
parameter
conditions/description
line regulation
high line to low line at
full load
load regulation
full load to 10% load
min
typ
±0.5
temperature coefficient
hold-up time
115 Vac at full load
adjustability
adjustable with built-in trim pot
%
±1
%
±0.05
%/°C
8
ms
-10
switching frequency
+5
65
%
kHz
PROTECTIONS
parameter
conditions/description
over voltage protection
clamped by TVS
min
typ
3.3 and 5 V models
all other models
over current protection
automatically recovers
short circuit protection
continuous, long term short circuit may reduce
reliability
max
units
6.8
135
V
%
105
%Io
SAFETY & COMPLIANCE
parameter
conditions/description
isolation voltage
primary to secondary for 1 minute
primary to transformer core for 1 minute
primary to ground for 1 minute
min
isolation resistance
input to output at 500 Vdc @ 25°C
safety approvals
TUV EN60950, CE, UL/cUL 60950-1
EMI/EMC
FCC class B, EN55022 class B
typ
max
Vac
Vac
Vac
50
MΩ
leakage current
1.5
RoHS compliant
yes
MTBF
according to MIL-HDBK-217F
250,000
cui.com
units
3,000
1,500
1,500
mA
hours
CUI Inc │ SERIES: VOF-80 │ DESCRIPTION: AC-DC POWER SUPPLY
date 06/06/2011 │ page 3 of 5
ENVIRONMENTAL
parameter
conditions/description
operating temperature
see derating curve
min
storage temperature
max
units
0
typ
60
°C
-20
85
°C
operating humidity
non-condensing
20
90
%
storage humidity
non-condensing
20
95
%
operating altitude
10,000
3,000
ft
m
storage altitude
30,000
9,000
ft
m
MECHANICAL
parameter
conditions/description
dimensions
4 x 2 x 1.40 (102 x 51 x 35.6 mm)
min
typ
max
inch
weight
0.2
cooling method
units
kg
free air convection or forced air
(see derating curves below)
DERATING CURVES
1. output power vs. ambient temperature
a. 3.3, 5 V models
2. output power vs. input voltage
all models
b. all other models
1
40
100
100
90
Load factor (%)
2
Load factor (%)
Load factor (%)
2
100
90
80
70
60
1
70
0
0
0
10
20
30
40
50
60
0
0
Ambient Temperature (°C)
1
2
Convection
Forced air (1m/s) (200 LFM)
80
10
20
30
40
50
60
0
85
Ambient Temperature (°C)
1
2
Convection
Forced air (1m/s) (200 LFM)
MATING CONNECTORS
parameter
conditions/description
ac input (CN1)
mates with Molex housing 09-50-7031 with Molex 2878 series crimp contact
dc output (CN2)
mates with Molex housing 09-50-7061 with Molex 2878 series crimp contact
MOUNTING METHOD
Horizontal
(performace evaluations conducted under this mounting method)
cui.com
90
Input Votage (Vac)
264
CUI Inc │ SERIES: VOF-80 │ DESCRIPTION: AC-DC POWER SUPPLY
date 06/06/2011 │ page 4 of 5
MECHANICAL DRAWING
tolerance:
±1.0mm unless otherwise specified
102.0 4.016
94.0 3.701
CN2
6
5
4
3
2
1
CN1
3
2
43.0 1.693 1
51.0 2.008
CN1
1
L
2
no pin
3
N
3.5 0.138
(4 PLCS)
MOUNTING HOLE
32.6 1.283
1.6 0.063
3.0 MAX
(LEAD)
cui.com
CN2
1
+Vo
2
+Vo
3
+Vo
4
-Vo
5
-Vo
6
-Vo
CUI Inc │ SERIES: VOF-80 │ DESCRIPTION: AC-DC POWER SUPPLY
date 06/06/2011 │ page 5 of 5
REVISION HISTORY
rev.
description
date
1.0
initial release
03/13/2009
1.01
updated pin designation
04/01/2010
1.02
updated derating curves and mechanical drawing and applied new spec
template
05/02/2011
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
Fax 503.612.2383
cui.com
techsupport@cui.com
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.