GE Industrial Solutions SW-SC001-003 Series - Manual (Page 7)

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 7
Characteristic Curves (continued)
The following figures provide typical characteristics for the SW001A2B91 (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
= 36V
V
I
= 54V
V
I
= 75V
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 7. Converter Efficiency Vs Load at V
o
= 12 V. Figure 10. 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 f t ./ min.)
2.0 m/ s (400 f t ./ min.)
1.0 m/ s (200 f t ./ min.)
Nat ural Convect ion
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 8. Derating Output Current versus Local Ambient
Temperature and Airflow. Figure 11. 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 9. Typical Output Ripple and Noise, V
IN
=V
IN, nom
I
O
=80% of I
O, max.
Figure 12. Typical Start-Up Output Voltage Rise Characteristic.