Data Sheet
June 15,
2009
QRW010/025/035/040 Series Power Modules; dc-dc Converters
36 Vdc - 75 Vdc Input, 1.0 to 12 Vdc Output; 10 A to 40 A
Characteristic Curves
The following figures provide typical characteristics curves for the QRW040A0S1R0 (VO = 1.0 V) module at room temperature
(TA = 25 °C).The figures are identical for both on/off configurations.
OUTPUT CURRENT, Vo (V
(100 mv/div)
OUTPUT VOLTAGE, Io (A)
(10A/div)
TIME, t (0.1ms/div)
Tested with a 220µF aluminium and a 1.0µF ceramic
Figure 1.
Input Voltage and Current Characteristics.
capacitor across the load.
Figure 4.
88
84
82
80
78
76
74
72
70
0
5
10
15
20
25
30
35
40
OUTPUT CURRENT, Vo (V)
(100 mv/div)
Transient Response to Step decrease in
Load from 50% to 25% of Full Load (VI = 48
Vdc).
86
Figure 2.
Converter Efficiency vs. Output Current.
Figure 5.
OUTPUT VOLTAGE (V)
(0.5 V/div)
OUTPUT VOLTAGE, Io (A)
(10A/div)
TIME, t (0.1ms/div)
Transient Response to Step Increase in Load
from 50% to 75% of Full Load (VI = 48 Vdc).
OUTPUT VOLTAGE, Vo (V)
(50 mV/div)
TIME, t (1.00 µs/div)
TIME, t (2ms/div)
Figure 3.
Output Ripple Voltage (IO = IO, max).
Figure 6.
REMOTE ON/OFF
V on/off (V)
Start-up from Remote On/Off (IO = IO, max).
5
Lineage Power
LINEAGEPOWER [ LINEAGE POWER CORPORATION ]
