V-INFINITY LLC, 9615 SW Allen Blvd., Suite 103, Beaverton, OR 97005

1-866-372-1258

www.v-infinity.com

VOF-25 Switching Power Supply

Rev. 07-2007

2 / 3

Input

Parameter

Conditions/Description

Min

Nom

Max

Units

Input Frequency

47

63

Hz

Input Voltage

Output power derated from 85-90 VAC

85

264

VAC

Input Current

AC Input of 110 VAC

700

mA

AC Input of 210 VAC

350

mA

Inrush Current

Measured at 110 VAC at full load, cold start

20

A

Measured at 220 VAC at full load, cold start

40

A

Input fuse

Built-in, non-user serviceable.

Output

Parameter

Conditions/Description

Min

Nom

Max

Units

Efficiency

See table above. Typical values measured at 115 VAC, full load.

Hold up time

At 115 VAC, full load

16

mS

Adjustability

Adjustable with built-in trim pot.

- 5

+5

%

Temp. Coefficient

-0.05

+0.05

%/ºC

Protection Circuit

Parameter

Conditions/Description

Overload

Current limiting starts at 105% of the rated output current and

recovers automatically.

Output Over-voltage

Output voltage is limited to 115% by TVS clamping.

Short Circuit

Protected. Long term short circuit may reduce reliability.

General and Safety

Parameter

Conditions/Description

Min

Nom

Max

Units

Operating temp.

See derating curves.

0

50

ºC

Storage temp.

-20

85

ºC

Operating humid.

Non-condensing

20%

90%

RH

Storage humid.

Non-condensing

20%

95%

RH

Operating altitude

3,000

m

10,000

ft

Storage altitude

9,000

m

30,000

ft

EMI

Conducted emissions comply with FCC class B, EN55022 class B

Safety

Approved to TUV EN60950, CE, CB; UL/cUL 60950-1

RoHS

2002/95/EC

Leakage Current

Per EN60950, 264 VAC

1.5

mA

Isolation Voltage

Applied for 1 minute.

(HI-POT)

Primary to secondary:

3000

VAC

Primary to transformer core:

1500

VAC

Primary to earth ground:

1500

VAC

Insulation Resistance

Measured at 500 VDC, at room temp.

50

MΩ

MTBF ( @ 25ºC)

MIL-HDBK-217F

250K

hours

Warranty

Standard Warranty Length

2

years