QRW025A0Y1 Lineage Power, QRW025A0Y1 Datasheet - Page 14

• Manufacturer Part Number: QRW025A0Y1
• Description: CONVERTER DC/DC 1.8V 45W OUT T/H
• Manufacturer: Lineage Power
• Series: QRWr
• Type: Isolated with Remote On/Offr

Specifications of QRW025A0Y1

• Output: 1.8V
• Number Of Outputs: 1
• Power (watts): 45W
• Mounting Type: Through Hole
• Voltage - Input: 36 ~ 75V
• Package / Case: 10-DIP Module
• 1st Output: 1.8 VDC @ 25A
• Size / Dimension: 2.28" L x 1.45" W x 0.38" H (57.9mm x 36.8mm x 9.7mm)
• Power (watts) - Rated: 45W
• Operating Temperature: -40°C ~ 85°C
• Efficiency: 88%
• Approvals: CE, CSA, UL, VDE
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• 3rd Output: -
• 2nd Output: -
• 4th Output: -

Lineage Power
Characteristic Curves
The following figures provide typical characteristics curves for the QRW025A0G (VO = 2.5 V) module at room temperature (TA
= 25 °C)
Figure 19.
Figure 20.
Figure 21. Output Ripple Voltage (IO = IO, max).
August 23, 2010
1.8
1.6
1.4
1.2
0.8
0.6
0.4
0.2
95
90
85
80
75
70
2
1
0
0
25
V
Input Voltage and Current Characteristics.
Converter Efficiency vs. Output Current.
I
= 36 V
5
35
INPUT VOLTAGE, V
OUTPUT CURRENT, I
10
45
TIME, t (1 µs/div)
V
V
I
I
= 48 V
= 75 V
15
55
I
(V)
O
(A)
I
O
I
65
20
O
I
O
= 12.5 A
= 25 A
= 0 A
36 Vdc - 75 Vdc Input, 1.2 to 3.3 Vdc Output; 25A
75
25
Tested with a 220µF aluminium and a 1.0µF ceramic capacitor
across the load.
Figure 22. Transient Response to Step Decrease in
Figure 23. Transient Response to Step Increase in
Tested with a 10µF aluminium and a 1.0µF tantalum capacitor
across the load.
Figure 24. Start-up from Remote On/Off (IO = IO, max).
Load from 50% to 25% of Full Load
(VI = 48 Vdc).
Load from 50% to 75% of Full Load
(VI = 48 Vdc).
TIME, t (100 µs/div)
TIME, t (100 µs/div)
TIME, t (1 ms/div)
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