Data Sheet
EQW012/020/023/025 Series, Eighth-Brick Power Modules:
36 - 75Vdc Input; 1.2Vdc to 5Vdc Output; 12A to 25A Output
December 12, 2008
Characteristic Curves (continued)
The following figures provide typical characteristics for the EQW025A0Y (1.8V, 25A) at 25ºC. The figures are
identical for either positive or negative Remote On/Off logic.
90
88
86
84
82
80
78
76
74
72
27
24
21
18
15
12
9
NC
Vin=75V
Vin=48V
100 LFM
200 LFM
300 LFM
400 LFM
6
Vin=36V
3
0
0
5
10
15
20
25
20
30
40
50
60
70
80
90
OUTPUT CURRENT, Io (A)
AMBIENT TEMPERATURE, TA OC
Figure 13. Typical Converter Efficiency Vs. Output
current at Room Temperature.
Figure 16. . Derating Output Current versus Local
Ambient Temperature and Airflow
TIME, t (5ms/div)
TIME, t (1μs/div)
Figure 14. Typical Output Ripple and Noise (Vin
=48Vdc, Io = 25A).
Figure 17. Typical Start-Up with application of Vin (Vin
= 48Vdc, Io = 25A).
TIME, t (100μs/div)
TIME, t (5ms/div)
Figure 15. Typical Transient Response to Dynamic
Load change Load from 50% to 75% to 50% of Full
load at 48 Vdc Input.
Figure 18. Typical Start-Up Using Remote On/Off,
negative logic version shown (Vin = 48Vdc, Io = 25A).
LINEAGE POWER
8
LINEAGEPOWER [ LINEAGE POWER CORPORATION ]
