EUROPE
ASIA
AMERICAS
Astec House, Waterfront Business Park
Merry Hill, Dudley
Units 2111-2116, Level 21
Tower1, Metroplaza
5810 Van Allen Way
Carlsbad, CA 92008
Telephone: 760-930-4600
Facsimile: 760-930-0698
West Midlands, DY5 1LX, UK
Telephone: 44 (1384) 842-211
Facsimile: 44 (1384) 843-355
223, Hing Fong Road
Fwai Fong, New Territories
Hong Kong
Telephone: 852-2437-9662
Facsimile: 852-2402-4426
Ordering Information
Input
Voltage
Output
Voltage
Output
Current
Efficiency2
Model Number
36V to 75V 12V
36V to 75V 12V
20A
20A
93% Typ
93% Typ
ALQ20B48(N)-(6)
AEQ20B48(N)-(6)
OPTIONS
(N) :
(6)
ALQ:
AEQ:
=
designates Negatve Logic Enable (default is Positive Enable with no suffix “N” required)
denotes 3ꢀ7mm Pin length (default is 5mm)
openframe construction
:
=
=
=
baseplate construction
MECHANICAL OUTLINE
Pin Assignments
OPENFRAME
1ꢀ + Vin
2ꢀ Enable On/Off
3ꢀ - VIN
4ꢀ - VO
5ꢀ - Sense
6ꢀ Trim
7ꢀ + Sense
8ꢀ +VO
PIN Length (inch [mm])
Std : 0ꢀ197 [5ꢀ0]
“-6” : 0ꢀ146 [3ꢀ7]
Notes:
1ꢀ Measured at 20MHz bandwidth with external 10 uF
tantꢀ capacitor in parallel with 1 uF ceramic capacitor
across +VO and -VO, TA = 25 °Cꢀ
2ꢀ Efficiency measurements taken at nominal line, VIN =
48V, IO = 100% load, TA = 25 °Cꢀ
3ꢀ All specifications are considered typical values unless
otherwise noted and are subject to change without
noticeꢀ
BASEPLATE
4ꢀ 1 year warrantyꢀ
5ꢀ Consult factory for further product technical detailsꢀ
Preliminary Data Sheetꢀ Astec reserves the right to make
changes to the information contained herein without notice
and assumes no liability as a result of its use or applicationꢀ
(REV A1: JANUARY 9, 2006)
wwwꢀastecpowerꢀcom
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