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Product Page
date
09/13/2022
page
1 of 6
SERIES: VOF-225 Ϳ DESCRIPTION: AC-DC POWER SUPPLY
FEATURES
MODEL
N
U
ED
• up to 225 W continuous power
• universal input voltage range
• industry standard 3” x 5” footprint
• power factor correction
• low no load power consumption
• over voltage, over current, and short circuit protections
• output trim
8/F8/DQG789VDIHW\DSSURYDOV
• efficiency up to 91%
output
current
output
power1
ripple
and noise2
HϒFLHQF\3
(Vdc)
max
(A)
max
(W)
max
(mVp-p)
W\S
(%)
VOF-225-12*
12
18.75
225
120
88
VOF-225-15*
15
VOF-225-24*
24
VOF-225-36
36
VOF-225-48*
48
TI
output
voltage
225
150
90
225
240
90
6.25
225
360
90
4.69
255
480
91
N
15
9.38
Notes:
1. Maximum output power of 225 W with forced air cooling (34.2 CFM), 135 W with convection cooling.
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3. At full load, 230 Vac input, without external fan.
$OOVSHFL¿FDWLRQVDUHPHDVXUHGDW7D &9DFLQSXWYROWDJHDQGUDWHGRXWSXWORDGXQOHVVRWKHUZLVHVSHFL¿HG
5. * Discontinued model.
VOF-225 - XX
Output Voltage
Base Number
D
IS
C
O
PART NUMBER KEY
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CUI Inc Ϳ SERIES: VOF-225 Ϳ DESCRIPTION: AC-DC POWER SUPPLY
date 09/13/2022 Ϳ page 2 of 6
INPUT
parameter
conditions/description
min
voltage
W\S
90
frequency
47
inrush current
at 230 Vac, cold start
leakage current
at 264 Vac
power factor correction
at 115 Vac, full load
at 230 Vac, full load
no load power consumption
at 230 Vac
input fuse
6.3 A / 250 V time delay fuse (included)
U
conditions/description
min
start-up delay time
at 115 Vac
at 230 Vac
start-up rise time
at 115/230 Vac
hold-up time
at 115/230 Vac
adjustability
built in trim pot
N
TI
transient response
1 kHz, 90%~10% load
VOF-225-12
VOF-225-15
VOF-225-24
VOF-225-36
VOF-225-48
swithching frequency
DWa&
fan output
12 Vdc / 300 mA
A
A
80
A
3.5
mA
0.5
W
max
units
±3
%
±0.5
%
±1
%
1,200
1,500
2,400
3,600
4,800
mVp-p
mVp-p
mVp-p
mVp-p
mVp-p
3
2.5
s
s
60
ms
ms
±5
%
400
±0.03
latch mode
VOF-225-12
VOF-225-15
VOF-225-24
VOF-225-36
VOF-225-48
13.8
16.5
26.5
38.5
55
over current protection
hiccup, auto recovery
110
short circuit protection
latch
IS
W\S
75
min
over voltage protection
Hz
10
conditions/description
C
parameter
O
WHPSHUDWXUHFRHϒFLHQW
PROTECTIONS
N
line regulation
from 100%~10% load
63
0.98
0.95
initial set point accuracy
load regulation
Vac
2.8
1.5
OUTPUT
parameter
units
277
ED
current
at 115 Vac, full load
at 230 Vac, full load
max
W\S
kHz
&
max
units
15.8
19.5
31.5
43.5
62
Vdc
Vdc
Vdc
Vdc
Vdc
%
SAFETY & COMPLIANCE
D
parameter
conditions/description
min
isolation voltage
input to output
input to ground
output to ground
safety approvals
UL 60950-1, EN 60950-1, IEC 60950-1
W\S
3,000
1,500
500
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max
units
Vac
Vac
Vac
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CUI Inc Ϳ SERIES: VOF-225 Ϳ DESCRIPTION: AC-DC POWER SUPPLY
date 09/13/2022 Ϳ page 3 of 6
SAFETY & COMPLIANCE (CONTINUED)
conditions/description
EMI/EMC1
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
class I
07%)
as per MIL-HDBK-217F
RoHS
2011/65/EU
1RWHV
min
max
units
250,000
hours
7KHSRZHUVXSSO\LVFRQVLGHUHGDFRPSRQHQWZKLFKZLOOEHLQVWDOOHGLQWR¿QDOHTXLSPHQW7KH¿QDOHTXLSPHQWVWLOOPXVWEHWHVWHGWRPHHWWKHQHFHVVDU\(0&GLUHFWLYHV
ENVIRONMENTAL
conditions/description
see derating curves
min
storage temperature
non-condensing
storage humidity
non-condensing
&
-40
85
&
20
90
%
90
%
Temperature Derating Curve
Load vs. Temperature
N
with FAN 34.2 CFM
100
80
without FAN
60
O
50
40
C
20
10
20
30
40
50
60
5000
m
2
G
Temperature Derating Curve
Load vs. Input Voltage
Ta=25°C
100
90
Load (%)
DERATING CURVES
TI
10~3000Hz, 10 minutes per cycle, for 1 hour
along each of the X, Y, and Z axes
vibration & shock
0
units
70
20
operating altitude
-20
W\S
N
operating humidity
max
-20
U
parameter
operating temperature
Load (%)
W\S
ED
parameter
80
60
40
20
90
70
Ambient Temperature (°C)
100
110
120
D
IS
Ambient Temperature (°C)
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277
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CUI Inc Ϳ SERIES: VOF-225 Ϳ DESCRIPTION: AC-DC POWER SUPPLY
date 09/13/2022 Ϳ page 4 of 6
EFFICIENCY CURVES
95
95
93
93
91
91
89
89
87
85
83
77
20
30
40 50 60 70 80
Load Current (%)
30
40 50 60 70 80
Load Current (%)
90 100
N
95
93
93
91
89
87
85
N
83
81
230 Vac
79
75
10
20
30
O
77
40 50 60 70 80
Load Current (%)
C
IS
89
87
85
83
D
81
230 Vac
77
75
10
20
30
40 50 60 70 80
Load Current (%)
90
89
87
85
83
81
79
100
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230 Vac
77
75
10
90 100
92)(ϒFLHQF\&XUYH
(ϒFLHQF\YV/RDG&XUUHQWDW9DF
79
Efficiency (%)
TI
91
Efficiency (%)
20
92)(ϒFLHQF\&XUYH
(ϒFLHQF\YV/RDG&XUUHQWDW9DF
95
Efficiency (%)
75
10
90 100
92)(ϒFLHQF\&XUYH
(ϒFLHQF\YV/RDG&XUUHQWDW9DF
230 Vac
U
77
75
10
91
83
79
230 Vac
79
93
85
81
81
95
87
ED
92)(ϒFLHQF\&XUYH
(ϒFLHQF\YV/RDG&XUUHQWDW9DF
Efficiency (%)
Efficiency (%)
92)(ϒFLHQF\&XUYH
(ϒFLHQF\YV/RDG&XUUHQWDW9DF
20
30
40 50 60 70
Load Current (%)
80
90 100
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