Technical Reference Notes
AEO_ALO40/35/30/20/10x48 Series
(Single Output 8
th
Brick)
Performance Curves
5V @ 20A
(continued)
Efficiency vs. Output Current, T
A
=25°C
95%
90%
Power Dissipation [W]
85%
Efficiency
80%
75%
70%
65%
60%
55%
50%
0
4
8
12
16
Output Current (Amps)
20
Vin = 36Vdc
Vin = 48Vdc
Vin = 75Vdc
Power Dissipation vs. Output Current, T
A
=25°C
10
Vin = 36Vdc
8
6
4
2
0
0
Vin = 48Vdc
Vin = 75Vdc
5
10
15
Output Current (Amps)
20
Figure 17. Efficiency vs. Load Current at minimum, nom
and high line, T
A
= 25°C.
Figure 18. Power Dissipation vs. Load Current at min,
nominal and high line, T
A
= 25°C.
Efficiency vs. Output Current, T
A
= 85°C
95%
90%
85%
Efficiency
80%
75%
70%
65%
60%
55%
50%
0
4
8
12
16
20
Output Current (Amps)
Vin = 36Vdc
Vin = 48Vdc
Vin = 75Vdc
Power Dissipation vs. Output Current, T
A
=85°C
10
Vin = 36Vdc
Power Dissipation (W)
8
6
4
2
0
0
Vin = 48Vdc
Vin = 75Vdc
5
10
15
Output Current (Amps)
20
Figure 19. Efficiency vs. Load Current at minimum, nom
and high line, T
A
= 85°C.
Figure 20. Power Dissipation vs. Load Current at minimum,
nominal and high line, T
A
= 85°C.
MODEL: AEO40x48 / ALO40x48 SERIES
JUNE 24, 2005 - REVISION B
SHEET 12 OF 30
ASTEC [ Astec America, Inc ]
