Technical Reference Notes
AEQ15AF48 Series
(Dual Output Quarter Brick - Baseplate)
Performance Curves
EFFICIENCY
Efficiency vs. 5V Load Current
95%
90%
85%
Efficiency [%]
80%
75%
70%
65%
60%
55%
10%
36Vin
48Vin
75Vin
25%
40%
55%
70%
85%
100%
60%
55%
10%
Efficiency [%]
95%
90%
85%
80%
75%
70%
65%
36Vin
48Vin
75Vin
25%
40%
55%
70%
85%
100%
Efficiency vs. 3.3V Load Current
5V Load [%I
O1,MAX
]
3.3V Load [%
IO2,MAX
]
Figure 7. Efficiency Curve vs. 5V Load Current (3.3V
load fixed at 1A; T
BASEPLATE
= 45ºC.
Figure 8. Efficiency Curve vs. 3.3V Load Current (5V
load fixed at 1A; T
BASEPLATE
= 45ºC.
STARTUP CHARACTERISTIC
Figure 9. Output startup characteristic at 48V
IN
(CH1),
3.3V at 1A load (CH2), 5V at 1A load (CH3).
Figure 10. Output startup characteristic when enable pin
is activated (CH1), 3.3V at 1A load (CH2), 5V at 1A
load (CH3).
MODEL: AEQ15AF48 SERIES
JUNE 16, 2003 - REVISION 01
SHEET 11 OF 15
ASTEC [ Astec America, Inc ]
