Technical Reference Notes
AEO_ALO04/12/20/25x48 Series
(Single Output 8th Brick)
Electrical Specifications
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
Device
Symbol
Min
Typical
Max
Unit
Input Voltage
Continuous
All
Vin
-0.3
-
-
-
75
Vdc
Transient (100ms)
Vin trans
100
I/O Isolation
Input-to-Output
All
-
-
TA
TSTG
-
1500
-
Vdc
ºC
Operating Temperature1
Storage Temperature
Operating Humidity
Max Voltage at Enable Pin
Max Output Power
All
-40
-
-
-
-
-
-
-
-
-
-
-
85
All
-55
125
85
25
48.0
60.0
66.0
50.0
45.0
37.5
30.0
ºC
All
10
%
Vdc
W
All
-0.6
B (12V0)
A (5V0)
F (3V3)
G (2V5)
Y (1V8)
M (1V5)
K (1V2)
PO, MAX
-
-
-
-
-
-
-
INPUT SPECIFICATIONS
Parameter
Device
Symbol
Min
Typical
Max
Unit
Operating Input Voltage Range
Input Under-Voltage Lock-out
T_ON Threshold
All
VIN
36
48
75
Vdc
All
33
31
-
34
32
-
36
34
Vdc
A
T_OFF Threshold
Max Input Current2
B (12V0)
A (5V0)
F (3V3)
G (2V5)
Y (1V8)
M (1V5)
K (1V2)
B (12V0)
A (5V0)
F (3V3)
G (2V5)
Y (1V8)
M (1V5)
K (1V2)
Iinmax
1.7
-
-
2.3
-
-
2.4
-
-
1.9
-
-
1.8
-
-
1.6
1.4
Standing Loss
Vin = Vinnom
-
-
-
-
-
-
-
-
-
-
-
-
-
-
5.75
4.00
4.00
4.00
3.00
2.50
2.00
W
MODEL: AEO_ALO04/12/20/25x48 SERIES
SHEET 2 OF 26
AUGUST 25, 2005 - REVISION G
ASTEC [ Astec America, Inc ]
