ALQ25B50_03 Datasheet, PDF (3/11 Pages) Astec America, Inc – Industry Standard ¼ Brick: 300W DC Transformer

Technical Reference Notes
ALQ25B50 Bus Converter
DC Transformer
Electrical Specifications
STANDARD TEST CONDITION on a single module unless otherwise specified.
T_A
Airflow
+V_IN
Enable
-V_IN
-V_OUT
+ Vout
PIN 1
PIN 2
PIN 3
PIN 4
PIN 5
25°C (Ambient Air)
400LFM
Connected to +Input
Dependent on model series
Connected to -Input
Connected to Load return
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 Voltage¹
Continuous
Transient (100ms)
Isolation Voltage
Input to Output
Operating Ambient Temperature
Storage Temperature
Operating Humidity
Maximum Enable Voltage
Max Output Power²
Device Symbol
Min
Typ
Max
Unit
All
V_IN
42
-
56
Vdc
All
V_{I N, trans}
-
-
60
Vdc
All
-
All
T_A
-40
All
T_STG
-55
All
-
-
All
All
P_O
-
-
2000
Vdc
-
85
ºC
-
125
ºC
-
85
%
5.5
Vdc
-
300
W
Note: 1. The module is not internally fused. Type 3AB Littlefuse rated at 10A, 250V or equivalent is
recommended.
2. Output Derating applies. See Figure 9.
MODEL: ALQ25B50 SERIES
SEPTEMBER 11, 2003 - REVISION A (PRELIMINARY)
SHEET 3 OF 11