Data Sheet
July 21, 2008
JRW017-070 Series Power Modules DC-DC Converters
36-75Vdc Input; 1.2Vdc to 12Vdc Output
Characteristic Curves
(continued)
The following figures provide typical characteristics for the JRW065A0G (2.5V, 65A)at 25ºC. The figures are identical
for either positive or negative Remote On/Off logic.
5
6
I
o
= 65 A
I
o
= 32.5 A
I
o
= 0 A
3
2
1
0
25
35
45
55
65
75
ON/OFF VOLTAGE
O
UTPUT VOLTAGE
INPUT CURRENT,(A)
4
INPUT VOLTAGE, V
IN
(V)
V
On/off
(V) (10V/div)
V
O
(V) (1V/div)
TIME, t (2ms/div)
Figure 19. Typical Start-Up (Input Current)
characteristics at room temperature.
95
90
85
Figure 22. Typical Start-Up Characteristics from
Remote ON/OFF.
OUTPUT CURRENT OUTPUT VOLTAGE
V
O
(V) (100mV/div)
I
O,
(A) (10A/div)
EFFICIENCY (%)
V
i
= 36 V
80
V
i
= 48 V
75
V
i
= 75 V
70
0
10
20
30
40
50
60
70
OUTPUT CURRENT, I
o
(A)
TIME, t (100μs/div)
Figure 20. Converter Efficiency Vs Load at Room
temperature.
36 Vin
Figure 23. Transient Response to Dynamic Load
Change from 50% to 25% of full load current.
OUTPUT CURRENT OUTPUT VOLTAGE
V
O
(V) (100mV/div)
I
O,
(A) (10A/div)
OUTPUT VOLTAGE
V
O
(V) (20mV/div)
48 Vin
75 Vin
TIME, t (2.5μs/div)
TIME, t (100μs/div)
Figure 21. Typical Output Ripple and Noise at Room
temperature and
I
o
= I
o,max
.
Figure 24. Transient Response to Dynamic Load
Change from 25% to 50 % of full load current.
LINEAGE
POWER
9
LINEAGEPOWER [ LINEAGE POWER CORPORATION ]
