Technical Reference Notes
ALQ25 Series
(Open Frame Single Output Quarter Brick)
Electrical Specifications
STANDARD TEST CONDITION
on a single module unless otherwise specified.
T
A
Airflow
-V
IN
ENABLE
+V
IN
-V
OUT
-Sense
Trim
+Sense
+Vout
PIN 1
PIN 2
PIN 3
PIN 4
PIN 5
PIN 6
PIN 7
PIN 8
25°C (Ambient Air)
See derating curve
48V
±
2V
Dependent on model series
Return pin for +V
IN
Connected to Load (return)
Connected to -V
OUT
Open
Connected to +V
OUT
Connected to Load
ABSOLUTE MAXIMUM RATINGS
Stresses in excess of the absolute maximum ratings can cause permanent damage to the converter. Functional
operation of the device is converter is not implied at these or any other conditions in excess of those given in the
operational section of the specs. Exposure to absolute maximum ratings for extended period can adversely affect
device reliability.
Parameter
Input Voltage
1
Continuous
Transient (100ms)
Isolation Voltage
Input to Output
Operating Ambient Temperature
(200LFM)
Storage Temperature
Operating Humidity
Max Output Power
Device
All
All
All
All
All
All
A (5.0V)
Symbol
V
IN
V
I N, trans
Min
0
0
-
-40
-40
-
-
Typ
-
-
-
-
-
-
-
Max
80
100
1500
+85
120
85
125
Unit
Vdc
Vdc
Vdc
ºC
ºC
%
W
T
A
T
STG
-
P
O
MODEL: ALQ25 SERIES
Dec 1, 2003 - REVISION B
SHEET 3 OF 15
ASTEC [ Astec America, Inc ]
