English
Language : 

ALQ40_03 Datasheet, PDF (3/16 Pages) Astec America, Inc – Industry Standard ¼ Brick: 36V-75V Input / 50A Output Current
Technical Reference Notes
ALQ40/50 Series
(Open Frame Single Output Quarter Brick)
Electrical Specifications
STANDARD TEST CONDITION on a single module unless otherwise specified.
TA
Airflow
+VIN
Enable
-VIN
-VOUT
-Sense
Trim
+Sense
+Vout
PIN 1
PIN 2
PIN 3
PIN 4
PIN 5
PIN 6
PIN 7
PIN 8
25°C (Ambient Air)
Refer to Figures 21 to 24
Return pin for +VIN
Dependent on model series
48V ± 2V
Connected to Load
Connected to +VOUT
Open
Connected to -VOUT
Connected to Load (return)
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 Voltage1
Continuous
Transient (100ms)
Isolation Voltage
Input to Output
Operating Ambient Temperature
Storage Temperature
Operating Humidity
Maximum Enable Voltage
Max Output Power
Device Symbol
Min
Typ
Max
Unit
All
VIN
0
-
All
VI N, trans
0
-
All
1500
-
All
TA
-40
-
All
TSTG
-40
-
All
-
-
-
All
F (3.3V)
PO
-
-
G (2.5V)
PO
-
-
Y (1.8V)
PO
-
-
K (1.2V)
PO
-
-
75
Vdc
100
Vdc
-
Vdc
+85
ºC
125
ºC
85
%
25
Vdc
132
W
125
W
90
W
60
W
MODEL: ALQ50 SERIES
APRIL 21, 2003 - REVISION A (PRELIMINARY)
SHEET 3 OF 16