QRW025A0Y1 Lineage Power, QRW025A0Y1 Datasheet - Page 8

• 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 QRW025A0M (VO = 1.5 V) module at room temperature
(TA = 25 °C)
Figure 7.
Figure 8.
Figure 9.
August 23, 2010
90
88
86
84
82
80
78
76
74
72
70
1.4
1.2
0.8
0.6
0.4
0.2
1
0
0
25
Input Voltage and Current Characteristics.
Converter Efficiency vs. Output Current.
Output Ripple Voltage (IO = IO, max).
5
35
48V, 25A
36V, 25A
75V, 25A
OUTPUT CURRENT, I
INPUT VOLTAGE, V
10
45
TIME, t (1 µs/div)
15
55
I
O
I
V
V
V
O
I
O
I
I
I
= 12.5 A
I
= 25 A
= 36 V
= 48 V
= 75 V
= 0 A
(V)
O
(A)
65
20
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 10. Transient Response to Step Decrease in
Figure 11. Transient Response to Step Increase in
Tested with a 10µF aluminium and a 1.0µF tantalum capacitor
across the load.
Figure 12. 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 (50 µs/div)
TIME, t (50 µs/div)
8