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ALQ25 Datasheet(PDF) 1 Page - Astec America, Inc

Part No. ALQ25
Description  Single Output Open-Frame DC-DC Converter Module Industry Standard ¼ Brick: 36V-75V Input / 5V Output
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Maker  ASTEC [Astec America, Inc]
Homepage  http://www.astecinc.com/
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ALQ25 Datasheet(HTML) 1 Page - Astec America, Inc

 
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Technical Reference Notes
ALQ25 Series
(Open Frame Single Output Quarter Brick)
MODEL: ALQ25 SERIES
SHEET 1 OF 15
Dec 1, 2003 - REVISION B
ALQ25 Single Output Open-Frame DC-DC Converter Module
Industry Standard ¼ Brick: 36V-75V Input / 5V Output
The ALQ25 series is Astec's next generation single output, high-density standard quarter brick offering. It operates from a 36V
to 75V DC Bus and comes in different Isolated Logic Output voltages (ILO) well suited for DPA applications. It’s designed to
conservatively handle 25A of output current for 5V and at high levels of efficiency (5V @ 91%). It provides tight regulation
and exhibits clean and monotonic output start up characteristics. The ALQ25’s come with industry standard features such as
Input UVLO, OCP, OVP, OTP, Output Trim, differential output Sense pins.
Special Features
Industry Standard ¼ Brick Footprint
Positive and Negative Enable Options
Regulation to Zero Load
High Capacitive Load Start-up
Fixed Switching Frequency at 200kHz
Output Trim
Input Under-Voltage Lockout
Low profile / open-frame
Environmental Specifications
-40ºC to 85ºC Operating Temperature
(200LFM)
-40ºC to 120ºC Storage Temperature
MTBF > 1 million hours
Electrical Parameters
Input
Input Range
36-75 VDC
Input Surge
100V / 100ms
Efficiency
91% (Typ)
Control
Enable
TTL compatible
(Positive and Negative Enable Options)
Output
Load Current
5.0V @ 25A max
Line Regulation
0.2 % Vo
Load Regulation
0.4 % VO
Ripple and Noise
150mVPK-PK max for 5V
Output Voltage
Adjust Range
±10% VO
Transient Response
5% VO deviation (Typ)
50% to 75% Load Change
400
µ
µsec settling time (Typ)
Remote Sense
+10%VO
Over Current
Protection
140% IO,MAX
Safety
UL + cUL 60950, Recognized (Pending)
EN60950 through TUV-PS (Pending)


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