Data Sheet

July 21, 2008

JRW017-070 Series Power Modules DC-DC Converters

36-75Vdc Input; 1.2Vdc to 12Vdc Output

7

The following figures provide typical characteristics for the JRW040A0A (5V, 40A) at 25ºC. The figures are identical

for either positive or negative Remote On/Off logic.

0

1

2

3

4

5

6

7

25

35

45

55

65

75

TIME, t (1 ms/div)

Figure 7. Typical Start-Up (Input Current)

characteristics at room temperature.

Figure 10. Typical Start-Up Characteristics from

Remote ON/OFF.

70

75

80

85

90

95

0

10

203040

TIME, t (100

μs/div)

Figure 8. Converter Efficiency Vs Load at Room

temperature.

Figure 11. Transient Response to Dynamic Load

Change from 50% to 25% of full load current.

TIME, t (1

μs/div)

TIME, t (100

μs/div)

Figure 9. Typical Output Ripple and Noise at Room

temperature and

Figure 12. Transient Response to Dynamic Load

Change from 25% to 50 % of full load current.

75 Vin

48 Vin

36 Vin