2/3
VOF-25 Switching Power Supply
Rev. 07-2007
Input
Parameter
Input Frequency
Input Voltage
Input Current
Inrush Current
Input fuse
Conditions/Description
Output power derated from 85-90 VAC
AC Input of 110 VAC
AC Input of 210 VAC
Measured at 110 VAC at full load, cold start
Measured at 220 VAC at full load, cold start
Built-in, non-user serviceable.
Min
47
85
Nom
Max
63
264
Units
Hz
VAC
mA
mA
A
A
700
350
20
40
Output
Parameter
Efficiency
Hold up time
Adjustability
Temp. Coefficient
Conditions/Description
Min
Nom
See table above. Typical values measured at 115 VAC, full load.
At 115 VAC, full load
16
Adjustable with built-in trim pot.
- 5
-0.05
Max
Units
mS
%
%/ºC
+5
+0.05
Protection Circuit
Parameter
Overload
Output Over-voltage
Short Circuit
Conditions/Description
Current limiting starts at 105% of the rated output current and
recovers automatically.
Output voltage is limited to 115% by TVS clamping.
Protected. Long term short circuit may reduce reliability.
General and Safety
Parameter
Operating temp.
Storage temp.
Operating humid.
Storage humid.
Operating altitude
Storage altitude
EMI
Safety
RoHS
Leakage Current
Isolation Voltage
(HI-POT)
Conducted emissions comply with FCC class B, EN55022 class B
Approved to TUV EN60950, CE, CB; UL/cUL 60950-1
2002/95/EC
Per EN60950, 264 VAC
Applied for 1 minute.
3000
1500
1500
50
250K
2
Conditions/Description
See derating curves.
Non-condensing
Non-condensing
Min
0
-20
20%
20%
Nom
Max
50
85
90%
95%
3,000
10,000
9,000
30,000
Units
ºC
ºC
RH
RH
m
ft
m
ft
1.5
mA
VAC
VAC
VAC
MΩ
hours
years
Primary to secondary:
Primary to transformer core:
Primary to earth ground:
Insulation Resistance
Measured at 500 VDC, at room temp.
MTBF ( @ 25ºC)
MIL-HDBK-217F
Warranty
Standard Warranty Length
V-INFINITY LLC, 9615 SW Allen Blvd., Suite 103, Beaverton, OR 97005
1-866-372-1258
www.v-infinity.com
CUI [ CUI INC ]
