GE Industrial Solutions 12A Digital SlimLynx Open Frame - Manual (Page 8)

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 8
Characteristic Curves
The following figures provide typical characteristics for the 12A Digital SlimLynx TM at 1.2Vo and 25 o C.
EFF
ICIE
N
CY
, η
(%
)
OUTPUT
CU
RRENT, Io
(A
)
OUTPUT CURRENT, I
O
(A) AMBIENT TEMPERATURE, T
A
O C
Figure 7. Converter Efficiency versus Output Current.
Figure 8. Derating Output Current versus Ambient
Temperature and Airflow.
OUTPU
T V
O
LTAG
E
V
O
(V) (50mV
/div)
O
U
TPU
T
CU
RRE
N
T
O
U
TPU
T
VO
LTA
G
E
I O
(A
)
(5
Ad
iv
)
V O
(V
) (2
0m
V/
di
v)
TIME, t (500ns/div) TIME, t (20 μs /div)
Figure 9. Typical output ripple and noise (C
O
=2x47μF
ceramic, V
IN
= 12V, I
o
= I
o,max,
).
Figure 10. Transient Response to Dynamic Load Change from
50% to 100% at 12Vin, Cout = 3x47uF+3x330uF,
CTune = 12nF
& RTune = 220 ohms
O
U
TPUT
VO
LTA
G
E
O
N
/O
FF
V
O
LT
AG
E
V
O
(V
) (5
00
m
V/
di
v)
V
ON
/OFF
(V) (5V/
di
v)
O
U
TP
UT
VO
LT
AG
E
IN
PUT
VO
LTA
G
E
V O
(V
) (5
00
m
V/
di
v)
V IN
(V) (5V/
di
v)
TIME, t (2ms/div) TIME, t (2ms/div)
Figure 11. Typical Start-up Using On/Off Voltage (I
o
= I
o,max
).
Figure 12. Typical Start-up Using Input Voltage (V
IN
= 12V, I
o
=
I
o,max
).
50
55
60
65
70
75
80
85
90
95
0 2 4 6 8 10 12
Vin=3.3V
Vin=14.4V Vin=12V