GE Industrial Solutions QW010-015-020 Series - Manual (Page 10)

Tyco Electronics Power Systems 10
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 QW015A0F1(VO = 3.3 V) module at room temperature (TA
= 25 °C)
Figure 25. Input Voltage and Current Characteristics.
Figure 26. Converter Efficiency vs. Output Current.
Figure 27. Output Ripple Voltage (IO = IO, max).
Figure 28. Transient Response to Step Decrease in
Load from 50% to 25% of Full Load
(VI = 48 Vdc).
Figure 29. Transient Response to Step Increase in
Load from 50% to 75% of Full Load
(VI = 48 Vdc).
Figure 30. Start-up from Remote On/Off (IO = IO, max).
30 40 50 60 70
1.8
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
0
I O = 15 A
I O = 7.5 A
I O = 1 A
INPUT VOLTAGE, V I (V)
INPUT CURRENT
, I
I
(A)
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
OUTPUT CURRENT, I O (A)
95
90
85
80
75
70
EFFICIENCY
,
(%)
V I = 36 V
V I = 48 V
V I = 75 V
TIME,t (2 µs/div)
OUTPUT V
O
LT
A
GE,
V
O
(V) (10 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) (2 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) (2 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) (2 A/div)