GE Industrial Solutions 12V Austin MicroLynx 5A - Manual (Page 8)

GE
Data Sheet
12V Austin MicroLynx TM 5A: Non-Isolated DC-DC Power Modules
10Vdc –14Vdc input; 0.75Vdc to 5.5Vdc output; 5A Output Current
May 6, 2013 ©2013 General Electric Company. All rights reserved. Page 8
Characteristic Curves (continued)
The following figures provide typical characteristics for the Austin MicroLynx TM 12V SMT modules at 25ºC.
O
U
TPU
T
CU
RRENT
OU
TPU
TV
O
LT
AG
E
I O
(A
) (2A
/div
)
V O
(V) (
50mV/div)
OUT
PUT
V
O
LT
AG
E,
IN
PU
T V
O
LT
AGE
V
o
(V
)
(2V/
di
v)
V
IN
(V
) (5V/
div
)
TIME, t (10 μs/div) TIME, t (1 ms/div)
Figure 13. Transient Response to Dynamic Load Change
from 100% of 50% full load (Vo = 5.0 Vdc, Cext = 2x150 μF
Polymer Capacitors). Figure 16. Typical Start-Up with application of Vin with (Vin
= 12Vdc, Vo = 3.3Vdc, Io = 5A).
OUTPUT
V
O
LTAGE
On/
Of
f VOLTAG
E
V O
V)
(2
V/
di
v)
V
On
/o
ff
(V
) (
5V
/di
v)
OUTPUT
V
O
LTAGE
On/
O
ff
VOLTAGE
V O
V)
(1
V/
di
v)
V
On
/o
ff
(V
) (
2V
/di
v)
TIME, t (1 ms/div) TIME, t (1 ms/div)
Figure 14. Typical Start-Up Using Remote On/Off
(Vin = 12Vdc, Vo = 3.3Vdc, Io = 5.0A). Figure 17 Typical Start-Up using Remote On/off with
Prebias (Vin = 12Vdc, Vo = 1.8Vdc, Io = 1A, Vbias =1.0 Vdc).
O
U
TP
UT V
O
LT
AG
E
O
n/
O
ff VO
LT
AG
E
V O
V)
(1
V/
di
v)
V
On
/of
f
(V) (2V/
di
v)
O
U
TP
UT C
U
RRENT,
I O
(A) (5A/d
iv)
TIME, t (2 ms/div) TIME, t (20ms/div)
F igure 15. Typical Start-Up Using Remote On/Off with Low-
ESR external capacitors (7x150uF Polymer)
(Vin = 12Vdc, Vo = 3.3Vdc, Io = 5.0A, Co = 1050
μF).
Figure 18. Output short circuit Current (Vin = 12Vdc, Vo =
0.75Vdc).