EUROPE

Astec House, Waterfront Business Park

Merry Hill, Dudley

West Midlands, DY5 1LX, UK

Telephone: 44 (1384) 842-211

Facsimile: 44 (1384) 843-355

AMERICAS

5810 Van Allen Way

Carlsbad, CA 92008

Telephone: 760-930-4600

Facsimile: 760-930-0698

Ordering Information

ASIA

Units 2111-2116, Level 21

Tower1, Metroplaza

223, Hing Fong Road

Fwai Fong, New Territories

Hong Kong

Telephone: 852-2437-9662

Facsimile: 852-2402-4426

Input

Output 1

Output 2

Model Number

Voltage

Voltage

Voltage

36 - 75VDC

5.0V @ 20A

3.3V @ 25A

ALH25AF48

Note:

Enable Function

"N" = negative logic enable (without "N" = positive enable)

1. Maximum output power not to exceed 100W total for 5/3.3V version 20/25A).

2. Any output loading ratio within the maximum specified limits is possible.

Dual Output

1. -Vin

2. Case

3. Control (on/off)

4. Vin+

5. V2

6. Rtn (V2)

7. Trim (V2)

8. V1

9. Rtn (V1)

10. Trim (V1)

Notes:

1. 20MHz bandwidth. An external 2.2mf ceramic capacitor is

recommended to be placed from +V out to -V out.

2. Recommended External components below:

C1 = 100uF/100V, C2=C4= metallic film .47uF/50V

C3= C5 = Electrolytic 1000uF/10V, C6 = .01uF/1500V

3. All specifications are typical at nominal line, full load, and 25°C

unless otherwise noted.

4. All specifications subject to change without notice. Mechanical

drawings are for reference only.

5. Please refer to the Technical Reference Notes for more

information.

6. Warranty: 1 yr

Pin Assignments

43

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2/8/02

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