GE Industrial Solutions SW-SC001-003 Series - Manual (Page 10)

GE Data Sheet
SW/SC001/003 Series DC-DC Power Module
18-36Vdc & 36-75Vdc Input; 3.3-15Vdc Output; 1-3.5A Output Current
October 14, 2013 ©2013 General Electric Company. All rights reserved. Page 10
Characteristic Curves (continued)
The following figures provide typical characteristics for the SC001A2B91 (12.0V, 1.2A) at 25ºC. The figures are identical for either
positive or negative Remote On/Off logic.
EFF
ICI
EN
CY
(%
)
70
72
74
76
78
80
82
84
86
88
0.0 0.2 0.4 0.6 0.8 1.0 1.2
V
I
= 18V
V
I
= 27V
V
I
= 36V
O
n/
O
ff
V
O
LTAG
E,
O
UTP
UT
V
O
LTAG
E
V
O
N
/O
FF
(V
) (
2V
/d
iv
)
V
O
(V
) (
5V
/d
iv)
OUTPUT CURRENT, I
o
(A) TIME, t (5ms/div)
Figure 25. Converter Efficiency Vs Load. Figure 28. Typical Start-Up Using Remote On/Off, negative
logic version shown.
O
UTP
UT
CUR
RE
N
T,
Io
(A
)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
0 10 20 30 40 50 60 70 80 90 100 110
3.0 m/s (600 ft./min.)
2.0 m/s (400 ft./min.)
1.0 m/s (200 ft./min.)
Natural Convection
O
UTP
UT
V
O
LTAG
E,
O
UTP
UT
CUR
RE
N
T
V
O
(V
) (
50
mV
/d
iv),
I
O
(A
) (
0.
2A
/d
iv)
AMBIENT TEMPERATURE, T
A
O C TIME, t (1.0ms/div)
Figure 26. Derating Output Current versus Local Ambient
Temperature and Airflow. Figure 29. Transient Response to Dynamic Load Change from
50% to 75% to 50% of full load.
O
UTP
UT
VO
LTAG
E,
V O
(V
) (
50
mV
/d
iv)
O
UTP
UT
VO
LTAG
E
V O
(V
) (
2V
/d
iv)
TIME, t (1  s/div) TIME, t (100  s/div)
Figure 27. Typical Output Ripple and Noise, V
IN
=V
IN, nom
I
O
=80% of I
O, max.
Figure 30. Typical Start-Up Output Voltage Rise Characteristic.