GE Industrial Solutions 12A Digital SlimLynx Open Frame - Manual (Page 10)

GE
Data Sheet
12A Digital SlimLynx TM Open Frame: Non-Isolated DC-DC Power Modules
3Vdc –14.4Vdc input; 0.45Vdc to 5.5Vdc output; 12A Output Current
February 19, 2014 ©2014 General Electric Corporation. All rights reserved. Page 10
Characteristic Curves
The following figures provide typical characteristics for the 12A Digital SlimLynx TM at 2.5Vo and 25 o C.
EFFI
CI
EN
CY
, η
(%
)
OUTPUT
CU
RRENT, Io
(A
)
OUTPUT CURRENT, I
O
(A) AMBIENT TEMPERATURE, T
A
O C
Figure 19. Converter Efficiency versus Output Current.
Figure 20. Derating Output Current versus Ambient
Temperature and Airflow.
OUT
PU
T VOLT
AG
E
V
O
(V
) (5
0m
V/
di
v)
O
U
TPU
T C
U
RRE
N
T,
O
U
TPU
T
VO
LTA
G
E
I
O
(A
) (
5Adi
v)
V
O
(V
) (50
m
V/di
v)
TIME, t (500ns/div) TIME, t (20 μs /div)
Figure 21. Typical output ripple and noise (C
O
=2x47μF
ceramic, V
IN
= 12V, I
o
= I
o,max,
).
Figure 22. Transient Response to Dynamic Load Change from
50% to 100% at 12Vin, Cout = 2x47uF+1x330uF,
CTune=3300pF & RTune=240Ω
OUT
PU
T
VOL
TAG
E
ON
/O
FF
VO
LT
AG
E
V
O
(V
) (1V/
di
v)
V
ON
/O
FF
(V) (5V/
di
v)
OUT
PU
T V
O
LT
AG
E
IN
PU
T
VO
LT
AGE
V
O
(V
) (1V/
di
v)
V IN
(V) (5V/
di
v)
TIME, t (2ms/div) TIME, t (2ms/div)
Figure 23. Typical Start-up Using On/Off Voltage (I
o
= I
o,max
).
Figure 24. Typical Start-up Using Input Voltage (V
IN
= 12V, I
o
=
I
o,max
).
60
65
70
75
80
85
90
95
0 2 4 6 8 10 12
Vin=4.5V
Vin=14V
Vin=12V