QRW025A0F41-H Lineage Power, QRW025A0F41-H Datasheet - Page 5

• Manufacturer Part Number: QRW025A0F41-H
• Description: DC/DC Converters & Regulators 3.3V 25A 10-Pin
• Manufacturer: Lineage Power

Specifications of QRW025A0F41-H

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 108981267

March 27, 2008
Characteristic Curves
The following figures provide typical characteristics curves for the QRW025A0P (VO = 1.2 V) module at room temperature (TA
= 25 °C).The figures are identical for both on/off configurations.
Figure 1.
Figure 2.
Figure 3.
Lineage Power
100
90
80
70
60
50
40
30
20
10
1.2
0.8
0.6
0.4
0.2
0
1
0
0
0
Input Voltage and Current Characteristics.
Converter Efficiency vs. Output Current.
Output Ripple Voltage (IO = IO, max).
10
5
20
INPUT VOLTAGE, V
OUTPUT CURRENT, I
10
36V, 25A
48V, 25A
75V, 25A
30
TIME, t (1 µs/div)
15
40
50
I
V
V
V
20
(V)
I
I
I
= 75V
= 48V
= 36V
O
(A)
I
I
O
O
60
I
= 2.5A
O
= 12.5A
= 25A
25
70
30
80
36 Vdc - 75 Vdc Input, 1.2 to 3.3 Vdc Output; 25A
Tested with a 220µF aluminium and a 1.0µF ceramic
capacitor across the load.
Figure 4.
Figure 5.
Figure 6.
Transient Response to Step decrease in
Load from 50% to 25% of Full Load (VI = 48
Vdc).
Transient Response to Step Increase in Load
from 50% to 75% of Full Load (VI = 48 Vdc).
Start-up from Remote On/Off (IO = IO, max).
TIME, t, (.2 µs/div)
TIME, t, (.2 µs/div)
5