GE Industrial Solutions JRW017-040-060-065-070 Series - Manual (Page 11)

Data Sheet
June 14, 2010
JRW017-070 Series Power Modules DC-DC Converters
36-75Vdc Input; 1.2Vdc to 12Vdc Output
LINEAGE POWER 11
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.
INP
UT
CURRE
N
T
,(
A
)
0
0.5
1
1.5
2
2.5
3
3.5
4
25 35 45 55 65 75
I
o
= 0 A
I
o
= 35 A
I
o
= 70 A
O
N
/O
F
F
V
OL
T
A
GE
O
U
T
P
U
T
V
O
L
T
A
G
E
V
O
n/
of
f
(V
) (5
V
/d
iv
)
V
O
(V
) (0
.5
V
/d
iv
)
INPUT VOLTAGE, V
IN
(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.
EF
F
IC
IEN
C
Y (
%
)
70
72
74
76
78
80
82
84
86
88
90
0 10 20 30 40 50 60 70
V
i
= 36 V
V
i
= 48 V
V
i
= 75 V
O
U
T
P
UT
CURRE
N
T
O
UT
P
U
T
V
O
L
T
A
G
E
I O
,
(A
) (
1
0
A
/d
iv
)
V
O
(V
)
(1
0
0
mV
/d
iv
)
OUTPUT CURRENT, I
o
(A) TIME, t (200 µs/div)
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.
OU
T
P
U
T
V
OL
T
A
GE
V
O
(V
) (2
0
m
V
/d
iv
)
O
U
T
PU
T
C
U
R
R
EN
T
O
U
T
PU
T
VO
L
T
AG
E
I O
,
(A
) (
1
0
A
/d
iv
)
V
O
(V
)
(1
0
0
mV
/d
iv
)
TIME, t (1 µs/div)
TIME, t (200 µs/div)
Figure 33. Typical Output Ripple and Noise at Room
temperature and I
o
= I
o,max
.
Figure 36. Transient Response to Dynamic Load
Change from 25% to 50 % of full load current.
75 Vin
48 Vin
36 Vin