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Pin Assignments
Single Output
1. +Vin
2. Enable on/off
3. -Vin
4. -Vout
5. - Sense
6. Trim
7. + Sense
8. +Vout
Notes:
1. Measured at 20 MHz bandwidth with external
10 uF tant. capacitor in parallel with 1 uF
ceramic capacitor placed across +Vout and -
Vout, T
A = 25ºC.
2. Efficiency measurements taken at nominal line
V
IN = 48V input, Io = 100% load, TA = 25ºC.
3. All specifications are considered typical values
unless otherwise noted and are subjuect to
change without notice.
4. 2 year warranty.
5 Consult factory for further product technical
details.
Mechanical Drawing
Astec Power
5810 Van Allen Way
Carlsbad, CA 92008
USA
Telephone: +1 760 930 4600
Facsimile: +1 760 930 0698
Technical Support: +1 888 41 ASTEC
or +1 407 241 2752
Waterfront Business Park
Merry Hill, Dudley
West Midlands, DY5 1LX
United Kingdom
Telephone: +44 (0) 1384 842 211
Facsimile: +44 (0) 1384 843 355
Units 2111-2116, Level 21
Tower 1, Metroplaza
223, Hing Fong Road
Kwai Fong, New Territories
Hong Kong
Telephone: +852 2437 9662
Facsimile: +852 2402 4426
For global contact, visit:
www.astecpower.com
technicalsupport@astec.com
While every precaution has been taken to ensure
accuracy and completeness in this literature, Astec
Power assumes no responsibility, and disclaims
all liability for damages resulting from use of this
information or for any errors or omissions.
Printed in US A
Ordering Information
Input
Voltage
Output Voltage Output Current Efficiency
2
Model Number
36 - 75V 12V
20A 93% Typ ALQ20B48(N)-(6)L
36 - 75V 12V
20A 93% Typ AEQ20B48(N)-(6)L
Options:
(N) : "N" = designates Negative Logic Enable (default is Positive Enable with no suffix “N” required)
(6) : “-6” = 3.7mm nominal pin length (default is 5mm nominal pin length with no suffix “-6” required)
Notes:
ALQ : = openframe constructioin
AEQ : = baseplate contruction
L:= RoHS Compliant (RoHS 6)
Rev. 01.17.07
ALQ/AEQ20B48
2 of 2
* This is a Preliminary Data Sheet. Astec
Power reserves the right to make changes
to the information contained herein with-
out notice and assumes no liability as a
result of its use or application.
OPENFRAME
PIN Length (inch [mm])
Std : 0.197 [5.0]
“-6” : 0.146 [3.7]
