Tyco Electronics Power Systems

7

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 QW020A0M1 (VO = 1.5 V) module at room temperature (TA

= 25 °C)

Figure 9.

Output Ripple Voltage (IO = IO, max).

Figure 10. Transient Response to Step Decrease in

Load from 50% to 25% of Full Load

(VI = 48 Vdc).

Figure 11.

Transient Response to Step Increase in Load

from 50% to 75% of Full Load

(VI = 48 Vdc).

Figure 12. Start-up from Remote On/Off (IO = IO, max).

0

0.2

0.4

0.6

0.8

1

1.2

30

35

40

45

50

55

60

65

70

75

70

72

74

76

78

80

82

84

86

88

0

2

4

6

8

10

12

14

16

18

20

TIME, t (1 µs/div)

TIME, t (100 µs/div)

TIME, t (100 µs/div)

TIME, t (1 ms/div)