GE Industrial Solutions QW010-015-020 Series - Manual (Page 9)

Tyco Electronics Power Systems 9
Data Sheet
August 22, 2006
36 Vdc to 75 Vdc Input; 1.2 Vdc to 5.0 Vdc Output; 10 A to 20 A
QW010/015/020 Series Power Modules: dc-dc Converters;
Characteristic Curves
The following figures provide typical characteristics curves for the QW020A0G1 (VO = 2.5 V) module at room temperature (TA =
25 °C)
Figure 19. Input Voltage and Current Characteristics.
Figure 20. Converter Efficiency vs. Output Current.
Figure 21. Output Ripple Voltage (IO = IO, max).
Figure 22. Transient Response to Step Decrease in
Load from 50% to 25% of Full Load
(VI = 48 Vdc).
Figure 23. Transient Response to Step Increase in Load
from 50% to 75% of Full Load
(VI = 48 Vdc).
Figure 24. Start-up from Remote On/Off (IO = IO, max).
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
30 35 40 45 50 55 60 65 70
INPUT VOLTAGE, V I (V)
INPUT CURRENT, I
I
(A)
I O = 20 A
I O = 10 A
I O = 0 A
70
72
74
76
78
80
82
84
86
88
90
0 5 10 15 20
OUTPUT CURRENT, I O (A)
EFFICIENCY,
(%)
V I = 75 V
V I = 36 V
V I = 48 V
TIME, t (1 µs/div)
OUTPUT VOLTAGE,
V
O
(V) (20 mV/div)
TIME, t (100 µs/div)
OUTPUT V
O
LT
A
G
E,
V
O
(V) (100 mV/div)
OUTPUT CURRENT
,
I O
(A) (5 A/div)
TIME, t (100 µs/div)
OUTPUT V
O
LT
A
G
E,
V
O
(V) (100 mV/div)
OUTPUT CURRENT
,
I O
(A) (5 A/div)
ON/OFF V
O
LT
A
G
E
,
V
ON/OFF
(V) (5
V/di
v)
OUTPUT V
O
LT
A
GE,
V
O
(V) (1
V/div)
TIME, t (5 ms/div)