Technical Reference Notes
AEO_ALO04/12/20/25x48 Series
(Single Output 8th Brick)
Performance Curves
1.2V @ 25A
Power Dissipation vs. Output Current, TA=25°C
Efficiency vs. Output Current, TA=25°C
8
7
6
5
4
3
2
1
0
95%
90%
85%
80%
75%
70%
65%
60%
55%
Vin = 36Vdc
Vin = 48Vdc
Vin = 75Vdc
Vin = 36Vdc
Vin = 48Vdc
Vin = 75Vdc
0
5
10
15
20
25
0
5
10
15
20
25
Output Current [A]
Output Current [A]
Figure 53. Efficiency vs. Load Current at IO = Full
Load, TA = 25°C (ambient temperature).
Figure 54. Power Dissipation vs. Load Current at
IO = Full Load, TA = 25°C (ambient temperature).
Figure 55. 1.2VOUT Startup Characteristic at VIN
48Vdc, IO = Full Load, TA = 25°C.
=
Figure 56. 1.2 VOUT Ripple Waveform at VIN = 48Vdc,
IO = Full Load, TA = 25°C.
MODEL: AEO_ALO04/12/20/25x48 SERIES
SHEET 21 OF 26
AUGUST 25, 2005 - REVISION G
ASTEC [ Astec America, Inc ]
