Data Sheet
JRW017-070 Series Power Modules DC-DC Converters
36-75Vdc Input; 1.2Vdc to 12Vdc Output
July 21, 2008
Characteristic Curves (continued)
The following figures provide typical characteristics for the JRW070A0M (1.5V, 70A) at 25ºC. The figures are identical
for either positive or negative Remote On/Off logic.
4
3.5
Io = 70 A
3
Io = 35 A
2.5
Io = 0 A
2
1. 5
1
0.5
0
25
35
45
55
65
75
INPUT VOLTAGE, VIN (V)
TIME, t (1ms/div)
Figure 31. Typical Start-Up (Input Current)
characteristics at room temperature.
Figure 34. Typical Start-Up Characteristics from
Remote ON/OFF.
90
88
86
84
82
Vi =36 V
80
78
Vi =48 V
Vi = 75 V
76
74
72
70
0
10
20
30
40
50
60
70
TIME, t (200μs/div)
OUTPUT CURRENT, Io (A)
Figure 32. Converter Efficiency Vs Load at Room
temperature.
Figure 35. Transient Response to Dynamic Load
Change from 50% to 25% of full load current.
36 Vin
48 Vin
TIME, t (1μs/div)
TIME, t (200μs/div)
Figure 33. Typical Output Ripple and Noise at Room Figure 36. Transient Response to Dynamic Load
temperature and Io = Io,max
.
Change from 25% to 50 % of full load current.
LINEAGE POWER
11
LINEAGEPOWER [ LINEAGE POWER CORPORATION ]
