Technical Reference Notes
AEO_ALO40/35/30/20/10x48 Series
(Single Output 8th Brick)
Performance Curves
3.3V @ 30A
Efficiency vs. Output Current TA=25°C
Power Dissipation vs. Output Current, TA=25°C
95%
90%
85%
80%
75%
70%
65%
60%
55%
50%
14
12
10
8
Vin = 36Vdc
Vin = 48Vdc
Vin = 75Vdc
6
4
Vin = 36Vdc
Vin = 48Vdc
Vin = 75Vdc
2
0
0
5
10
15
20
25
30
0
5
10
15
20
25
30
Output Current (Amps)
Output Current (Amps)
Figure 29. Efficiency vs. Load Current at minimum,
Figure 30. Power Dissipation vs. Load Current at
nominal and high line, TA = 25°C.
minimum, nominal and high line, TA = 25°C.
Power Dissipation vs. Output Current, TA=85°C
Efficiency vs. Output Current, TA=85°C
14
95%
Vin = 36Vdc
90%
85%
80%
75%
70%
65%
12
Vin = 48Vdc
Vin = 75Vdc
10
8
6
4
2
0
Vin = 36Vdc
60%
55%
50%
Vin = 48Vdc
Vin = 75Vdc
0
5
10
15
20
25
30
0
5
10
15
20
25
30
Output Current (Amps)
Output Current (Amps)
Figure 31. Efficiency vs. Load Current at minimum,
Figure 32. Power Dissipation vs. Load Current at minimum,
nominal and high line, TA = 85°C.
nominal and high line, TA = 85°C.
MODEL: AEO40x48 / ALO40x48 SERIES
JUNE 24, 2005 - REVISION B
SHEET 15 OF 30
ASTEC [ Astec America, Inc ]
