rev.

page

date

DESCRIPTION: switching power supply

1 of 5

01/2011

20050

phone

phone 503.612.2300 fax

www.v-infinity.com

fax 503.612.2383

PART NUMBER: VF-S250-XXA

features

· power factor correction

· power good signal

· short circuit protection

· over load protection

· over voltage protection

· over temperature protection

· providing Peak Power 600W within

500uS duty duration

· approved to UL, CUL, TUV, CE with CB

scheme

· low Leakage Current 500uA @ 240Vac

300uA @ 120Vac

preset

output current

MODEL

voltage

(Vpp)

efficiency

VF-S250-05A

5V

2 - 5.5 V

20 A

40 A

+/- 1%

1%

75%

VF-S250-09A

9V

6 - 10 V

13.5 A

25 A

+/- 1%

1%

83%

VF-S250-12A

12V

12 - 13.5 V

11.25 A

20.83 A

+/- 1%

1%

80%

VF-S250-15A

15V

13.6 - 15 V

9 A

16.67 A

+/- 1%

1%

83%

VF-S250-18A

18V

16 - 20 V

7.5 A

13.89 A

+/- 1%

1%

83%

VF-S250-24A

24V

21 - 26 V

5.63 A

10.42 A

+/- 1%

1%

83%

VF-S250-28A

28V

27 - 34 V

4.82 A

8.93 A

+/- 1%

1%

83%

VF-S250-36A

36V

35 - 42 V

3.75 A

6.93 A

+/- 1%

1%

83%

VF-S250-48A

48V

43 - 50 V

2.81 A

5.21 A

+/- 1%

1%

83%

VF-S250-54A

54V

51 - 60 V

2.5 A

4.63 A

+/- 1%

1%

83%

notes:

1 Output is fully isolated.

2 Output voltage is measured at output power connector.

3 1% minimum load is required to maintain the ripple and regulation.

4 Ripple and noise is measured from 10 KHz to 20 MHz at output terminals with a 0.1 μF ceramic capacitor and

a 22 μF electrolytic capacitor in parallel.

5 Maximum power must not exceed 135 W with convection cooling or 250 W for forced air. 5 and 9 V models maximum current listed.

E210311

Low leakage option:

“blank” = standard specification

L = low leakage (contact factory)

VF-S250- XX A- X X - CXX

Reserved for custom

configurations

Input/Output connector:

“blank” = Terminal block input / Terminal block output

1 = Molex input / Molex output

2 = Molex input / Terminal block output

3 = Terminal block input / Molex output

Output voltage

CUSTOM CONFIG KEY