Figure 13, Figure 14 – GE Industrial Solutions QW010-015-020 Series User Manual
Page 8
Tyco Electronics Power Systems
8
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 QW020A0Y1 (VO = 1.8V) module at room temperature (TA
= 25 °C)
Figure 13.
Input Voltage and Current Characteristics.
Figure 14.
Converter Efficiency vs. Output Current.
Figure 15. Output Ripple Voltage (IO = IO, max).
Figure 16. Transient Response to Step Decrease in
Load from 50% to 25% of Full Load
(VI = 48 Vdc).
Figure 17. Transient Response to Step Increase in
Load from 50% to 75% of Full Load
(VI = 48 Vdc).
Figure 18. Start-up from Remote On/Off (IO = IO, max).
0
0.2
0.4
0.6
0.8
1
1.2
1.4
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
0
5
10
15
20
V
I
= 36 V
V
I
= 48 V
VI = 75 V
OUTPUT CURRENT, I
O
(A)
EFFICIENCY,
(%)
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) (200 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) (200 mV/div)
OUTPUT CURRENT
,
I
O
(A) (5 A/div)
TIME, t (1 ms/div)
OUTPUT VOLTAGE,
V
O
(V) (500 mV/div)
REMOTE ON/OFF
,
V
ON/OFF
(V) (5 V/div
)