Data Sheet
July 21, 2008
JRW017-070 Series Power Modules DC-DC Converters
36-75Vdc Input; 1.2Vdc to 12Vdc Output
LINEAGE POWER 10
Characteristic Curves (continued)
The following figures provide typical characteristics for the JRW065A0Y (1.8V, 65A) at 25ºC. The figures are identical
for either positive or negative Remote On/Off logic.
0
0.5
1
1. 5
2
2.5
3
3.5
4
4.5
25 35 45 55 65 75
I
o
= 0 A
I
o
= 32 .5 A
I
o
= 6 5 A
INPUT CURRENT,(A)
INPUT VOLTAGE, V
IN
(V)
ON/OFF VOLTAGE OUTPUT VOLTAGE
V
On/off
(V) (10V/div) V
O
(V) (0.5V/div)
TIME, t (1ms/div)
Figure 25. Typical Start-Up (Input Current)
characteristics at room temperature.
Figure 28. Typical Start-Up Characteristics from
Remote ON/OFF.
70
72
74
76
78
80
82
84
86
88
90
010203040506070
V
i
= 36 V
V
i
= 4 8 V
V
i
= 75 V
EFFICIENCY (%)
OUTPUT CURRENT, I
o
(A)
OUTPUT CURRENT OUTPUT VOLTAGE
I
O,
(A) (10A/div) V
O
(V) (100mV/div)
TIME, t (200μs/div)
Figure 26. Converter Efficiency Vs Load at Room
temperature.
Figure 29. Transient Response to Dynamic Load
Change from 50% to 25% of full load current.
OUTPUT VOLTAGE
V
O
(V) (50mV/div)
TIME, t (1μs/div)
OUTPUT CURRENT OUTPUT VOLTAGE
I
O,
(A) (10A/div) V
O
(V) (100mV/div)
TIME, t (200μs/div)
Figure 27. Typical Output Ripple and Noise at Room
temperature and I
o
= I
o,max
.
Figure 30. Transient Response to Dynamic Load
Change from 25% to 50 % of full load current.
