ALD18 ASTEC [Astec America, Inc], ALD18 Datasheet - Page 11

• Manufacturer Part Number: ALD18
• Description: Single Output 16th Brick: 60Watts
• Manufacturer: ASTEC [Astec America, Inc]

Performance Curves
2.5V Version
MODEL: ALD12/18/20/25 SERIES
AUGUST 17, 2005 – REVISION C
Figure 20. 2.5V Startup Characteristic at V
I
Figure 18. 2.5V Efficiency vs. output current at various
input line conditions, T
O
95%
90%
85%
80%
75%
70%
65%
60%
55%
= Full Load, T
0
Efficiency vs. Output Current, T
A
4
= 25 C, C
Output Current (Amps)
A
= 25 C.
8
O
= 0.
12
Technical Reference Notes
A
=25°C
ALD12/18/20/25 Series
(Single Output 16
IN
= 36Vdc,
Vin = 36Vdc
Vin = 48Vdc
Vin = 75Vdc
16
20
th
Figure 19. 2.5V Power Dissipation vs. load current at
various input line conditions, T
Figure 21. 2.5V Output Ripple at V
Full Load, T
Brick)
10
Power Dissipation vs. Output Current, T
8
6
4
2
0
0
A
= 25 C.
Vin = 36 Vdc
Vin = 48 Vdc
Vin = 75 Vdc
5
Output Current (Amps)
10
A
= 25 C.
IN
= 48Vdc, I
15
A
=25°C
SHEET 11 OF 20
O
=
20