Data Sheet
July 21, 2008
JRW017-070 Series Power Modules DC-DC Converters
36-75Vdc Input; 1.2Vdc to 12Vdc Output
LINEAGE POWER 8
Characteristic Curves (continued)
The following figures provide typical characteristics for the JRW060A0F (3.3V, 60A)at 25ºC. The figures are identical
for either positive or negative Remote On/Off logic.
0
1
2
3
4
5
6
7
8
25 35 45 55 65 75
I
o
= 0 A
I
o
= 30 A
I
o
= 60 A
INPUT CURRENT,(A)
INPUT VOLTAGE, V
IN
(V)
ON/OFF VOLTAGE OUTPUT VOLTAGE
V
On/off
(V) (5V/div) V
O
(V) (1V/div)
TIME, t (0.5ms/div)
Figure 13. Typical Start-Up (Input Current)
characteristics at room temperature.
Figure 16. Typical Start-Up Characteristics from
Remote ON/OFF.
70
75
80
85
90
95
0 10 203040 5060
V
i
= 36 V
V
i
= 48 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 (100μs/div)
Figure 14. Converter Efficiency Vs Load at Room
temperature.
Figure 17. Transient Response to Dynamic Load
Change from 50% to 25% of full load current.
OUTPUT VOLTAGE
V
O
(V) (10mV/div)
TIME, t (1μs/div)
OUTPUT CURRENT OUTPUT VOLTAGE
I
O,
(A) (10A/div) V
O
(V) (100mV/div)
TIME, t (100μs/div)
Figure 15. Typical Output Ripple and Noise at Room
temperature and I
o
= I
o,max
.
Figure 18. Transient Response to Dynamic Load
Change from 50% to 75 % of full load current.
