QRW025A0F41-H Lineage Power, QRW025A0F41-H Datasheet - Page 11

• 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

August 23, 2010
Characteristic Curves
The following figures provide typical characteristics curves for the QRW025A0Y (VO = 1.8 V) module at room temperature (TA
= 25 °C)
Figure 13.
Figure 14.
Figure 15. Output Ripple Voltage (IO = IO, max).
Lineage Power
90
88
86
84
82
80
78
76
74
72
70
1.6
1.4
1.2
0.8
0.6
0.4
0.2
1
0
0
25
30
V
Input Voltage and Current Characteristics.
Converter Efficiency vs. Output Current.
I
= 36 V
5
35
V
I
V
V
= 36 V
I
I
INPUT VOLTAGE, V
= 48 V
= 75 V
40
OUTPUT CURRENT, I
10
TIME, t (1 µs/div)
45
50
15
V
V
55
I
I
I
= 75 V
= 48 V
(V)
O
I
I
I
60
O
O
O
(A)
= 25 A
= 12.5 A
= 0 A
20
65
70
36 Vdc - 75 Vdc Input, 1.2 to 3.3 Vdc Output; 25A
25
75
Tested with a 220µF aluminium and a 1.0µF ceramic capacitor
across the load.
Figure 16. Transient Response to Step Decrease in
Figure 17. Transient Response to Step Increase in Load
Tested with a 10µF aluminium and a 1.0µF tantalum capacitor across
the load.
Figure 18. Start-up from Remote On/Off (IO = IO, max).
Load from 50% to 25% of Full Load
(VI = 48 Vdc).
from 50% to 75% of Full Load
(VI = 48 Vdc).
TIME, t (100 µs/div)
TIME, t (100 µs/div)
TIME, t (2 ms/div)
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