Technical Reference Notes
AEO_ALO40/35/30/20/10x48 Series
(Single Output 8th Brick)
Performance Curves
1.8V @ 40A
Efficiency vs. Output Current, TA=25°C
Power Dissipation vs. Output Current, TA=25°C
12
10
8
95%
90%
85%
80%
75%
70%
65%
60%
55%
50%
Vin = 36V
Vin = 48V
Vin = 75V
6
Vin = 36V
Vin = 48V
Vin = 75V
4
2
0
0
5
10
15
20
25
30
35
40
0
5
10
15
20
25
30
35
40
Output Current [A]
Output Current [A]
Figure 53. Efficiency vs. Load Current at minimum, nom
Figure 54. Power Dissipation vs. Load Current at min,
and high line, TA = 25°C.
nominal and high line, TA = 25°C.
Power Dissipation vs. Output Current, TA=85°C
Efficiency vs. Output Current, TA=85°C
12
95%
90%
85%
80%
75%
70%
65%
10
8
Vin = 36V
Vin = 48V
Vin = 75V
6
4
Vin = 36V
60%
Vin = 48V
2
55%
50%
Vin = 75V
0
0
5
10
15
20
25
30
35
40
0
5
10
15
20
25
30
35
40
Output Current [A]
Output Current [A]
Figure 56. Power Dissipation vs. Load Current at minimum,
Figure 55. Efficiency vs. Load Current at minimum, nom
nom and high line, TA = 85°C.
and high line, TA = 85°C.
MODEL: AEO40x48 / ALO40x48 SERIES
JUNE 24, 2005 - REVISION B
SHEET 18 OF 30
ASTEC [ Astec America, Inc ]
