GE Industrial Solutions SW-SC001-003 Series - Manual (Page 11)

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 11
Characteristic Curves (continued)
The following figures provide typical characteristics for the SC003A0A91 (5.0V, 3A) 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 0.5 1 1.5 2 2.5 3
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 31. Converter Efficiency Vs Load. Figure 34. Typical Start-Up Using Remote On/Off, negative
logic version shown.
O
UTP
UT
CUR
RE
N
T,
Io
(A
)
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
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 32. Derating Output Current versus Local Ambient
Temperature and Airflow. Figure 35. Transient Response to Dynamic Load Change from
50% to 75% to 50% of full load.
O
UTP
UT
VO
LTAG
E,
V O
(V
) (
20
mV
/d
iv)
O
UTP
UT
VO
LTAG
E
V O
(V
) (
1V
/d
iv)
TIME, t (1  s/div) TIME, t (100  s/div)
Figure 33. Typical Output Ripple and Noise, V
IN
=V
IN, nom
I
O
=80% of I
O, max.
Figure 36. Typical Start-Up Output Voltage Rise Characteristic.