EQW025A0P1 Datasheet, PDF (6/25 Pages) Lineage Power Corporation – 36 - 75Vdc Input; 1.2Vdc to 5Vdc Output; 12A to 25A Output

Data Sheet
December 12, 2008
EQW012/020/023/025 Series, Eighth-Brick Power Modules:
36 - 75Vdc Input; 1.2Vdc to 5Vdc Output; 12A to 25A Output
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.
86
27
84
24
82
21
80
78
76
74
72
70
0
Vin=75V
Vin=48V
Vin=36V
5
10
15
20
25
18
15
NC
12
100 LFM
9
200 LFM
6
300 LFM
3
400 LFM
0
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 (1μs/div)
Figure 2. Typical Output Ripple and Noise (Vin
=48Vdc, Io = 25A).
TIME, t (5ms/div)
Figure 5. Typical Start-Up with application of Vin (Vin =
48Vdc, Io = 25A).
TIME, t (100μs/div)
Figure 3. Typical Transient Response to Dynamic
Load change Load from 50% to 75% to 50% of Full
load at 48 Vdc Input.
TIME, t (5ms/div)
Figure 6. Typical Start-Up Using Remote On/Off,
negative logic version shown (Vin = 48Vdc, Io = 25A).
LINEAGE POWER
6