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

2

Ordering Information

www.astecpower.com

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

Output

Efficiency

Model Number

Voltage

Voltage

Current

36V to 75V

5.0V

25A

91% Typ

ALQ25A48

36V to 75V

3.3V

35A

90% Typ

ALQ35F48

36V to 75V

2.5V

40A

89% Typ

ALQ40G48

36V to 75V

1.8V

40A

87% Typ

ALQ40Y48

36V to 75V

1.5V

40A

85% Typ

ALQ40M48

36V to 75V

1.2V

40A

84% Typ

ALQ40K48

NOTES: “N” = Negative logic enable (without “N” = Positive logic enable)

Pin Assignments

Notes:

Nominal values apply with sense pins

connected to+Vout and Ground Return

with other control pins unconnected.

Specifications subject to change without

J1: -Vin

J2: ENABLE

J3: +Vin

J4: -Vo

J5: -SENSE

J6: TRIM

J7: +SENSE

J8: +Vo

REV 3: Dec 2003