Technical Reference Notes
ALD12/18/20/25 Series
(Single Output 16th Brick)
Performance Curves
1.2V Version (continued)
Figure 39. 1.2V Output Ripple at VIN = 48Vdc, IO = Full
Load, TA = 25°C.
Figure 38. 1.2V Startup Characteristic at VIN = 48V, TA =
25°C.
ALD25K48 Current vs. Temperature
25
20
15
10
0 LFM
100 LFM
200 LFM
300 LFM
400 LFM
5
0
25
40
55
70
85
Ambient Temperature (°C)
Figure 40. 1.2V Output current vs. ambient temperature
Figure 41. 1.2V Output Transient Response 50% to 75%
VIN = 48V, TA = 25°C.
step at VIN = 48Vdc, TA = 25°C, di/dt = 0.1A/µs, CO = 0.
MODEL: ALD12/18/20/25 SERIES
AUGUST 17, 2005 – REVISION C
SHEET 16 OF 20
ASTEC [ Astec America, Inc ]
