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 JRW040A0A (5V, 40A) at 25ºC. The figures are identical
for either positive or negative Remote On/Off logic.
6
5
7
I
o
= 40 A
I
o
= 20 A
I
o
= 0 A
ON/OFF VOLTAGE
O
UTPUT VOLTAGE
INPUT CURRENT,(A)
4
3
2
1
0
25
35
45
55
65
75
INPUT VOLTAGE, V
IN
(V)
V
On/off
(V) (5V/div)
V
O
(V) (2V/div)
TIME, t (1 ms/div)
Figure 7. Typical Start-Up (Input Current)
characteristics at room temperature.
95
90
85
V
i
= 36 V
80
V
i
= 48 V
75
V
i
= 75 V
70
0
10
20
30
40
Figure 10. Typical Start-Up Characteristics from
Remote ON/OFF.
OUTPUT CURRENT OUTPUT VOLTAGE
V
O
(V) (200mV/div)
I
O,
(A) (10A/div)
EFFICIENCY (%)
OUTPUT CURRENT, I
o
(A)
TIME, t (100μs/div)
Figure 8. Converter Efficiency Vs Load at Room
temperature.
36 Vin
OUTPUT VOLTAGE
V
O
(V) (50mV/div)
Figure 11. Transient Response to Dynamic Load
Change from 50% to 25% of full load current.
OUTPUT CURRENT OUTPUT VOLTAGE
V
O
(V) (200mV/div)
I
O,
(A) (10A/div)
48 Vin
75 Vin
TIME, t (1μs/div)
TIME, t (100μs/div)
Figure 9. Typical Output Ripple and Noise at Room
temperature and
I
o
= I
o,max
.
Figure 12. Transient Response to Dynamic Load
Change from 25% to 50 % of full load current.
LINEAGE
POWER
7
LINEAGEPOWER [ LINEAGE POWER CORPORATION ]
