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
The following figures provide typical characteristics for the EQW025A0P1 (1.2V, 25A) at 25ºC. The figures are
identical for either positive or negative Remote On/Off logic.
27
24
21
18
15
12
9
86
84
82
80
78
76
74
72
70
NC
100 LFM
200 LFM
300 LFM
400 LFM
Vin=75V
Vin=48V
Vin=36V
6
3
0
0
5
10
15
2 0
2 5
20
30
40
50
60
70
80
90
OUTPUT CURRENT, Io (A)
AMBIENT TEMPERATURE, TA OC
Figure 1. Typical Converter Efficiency Vs. Output
current at Room Temperature.
Figure 4. . Derating Output Current versus Local
Ambient Temperature and Airflow
TIME, t (5ms/div)
TIME, t (1μs/div)
Figure 2. Typical Output Ripple and Noise (Vin
=48Vdc, Io = 25A).
Figure 5. Typical Start-Up with application of Vin (Vin =
48Vdc, Io = 25A).
TIME, t (100μs/div)
TIME, t (5ms/div)
Figure 3. Typical Transient Response to Dynamic
Load change Load from 50% to 75% to 50% of Full
load at 48 Vdc Input.
Figure 6. Typical Start-Up Using Remote On/Off,
negative logic version shown (Vin = 48Vdc, Io = 25A).
LINEAGE POWER
6