GE Industrial Solutions Austin Microlynx II SMT - Manual (Page 8)

Data Sheet
September 10, 2013 Austin MicroLynx TM II SMT Non-isolated Power Modules:
2.4 – 5.5Vdc input; 0.75Vdc to 3.63Vdc Output; 6A output current
LINEAGE POWER 8
Characteristic Curves (continued)
The following figures provide typical characteristics for the Austin MicroLynx TM II SMT modules at 25ºC.
O
U
TPU
T
CU
RR
E
N
T,
OU
T
P
U
T
VO
LTA
G
E
I O
(
A
) (2
A
/d
iv)
V
O
(
V
) (50
m
V/
di
v)
O
U
TPU
T
VOLTAGE,
IN
PU
T V
O
LTA
G
E
V o
(
V
) (
1V/
div)
V IN
(V
) (2
V
/d
iv)
TIME, t (10 μs/div) TIME, t (2 ms/div)
Figure 13. Transient Response to Dynamic Load
Change from 100% of 50% full load (Vo = 3.3Vdc, Cext
= 2x150 μF Polymer Capacitors). Figure 16. Typical Start-Up with application of Vin
(Vin = 5.0Vdc, Vo = 3.3Vdc, Io = 6A).
O
U
T
P
U
T
VOLTAGE
On/
O
ff VOL
T
A
G
E
V
O
V
)
(1V/
di
v)
V
On
/o
ff
(
V
) (2V
/div
)
O
U
T
P
U
T
VOLTAGE
On/
O
ff VOL
T
A
G
E
V
O
V
)
(1V/
di
v)
V
On
/o
ff
(
V
) (2V
/div
)
TIME, t (2 ms/div) TIME, t (2 ms/div)
Figure 14. Typical Start-Up Using Remote On/Off
(Vin = 5.0Vdc, Vo = 3.3Vdc, Io = 6A). Figure 17 Typical Start-Up Using Remote On/Off with
Prebias (Vin = 3.3Vdc, Vo = 1.8Vdc, Io = 1.0A, Vbias
=1.0Vdc).
O
U
T
P
UT
VO
LT
A
G
E
O
n/O
ff V
O
LT
A
G
E
V
O
V)
(1
V
/di
v)
V
O
n/o
ff
(V
) (
2V
/di
v)
O
U
T
P
U
T
CU
RR
E
N
T,
I
O
(
A
) (5
A
/d
iv
)
TIME, t (2 ms/div) TIME, t (5ms/div)
F igure 15. Typical Start-Up Using Remote On/Off with
Low-ESR external capacitors (7x150uF Polymer) (Vin
= 5.0Vdc, Vo = 3.3Vdc, Io = 6A, Co = 1050
μF).
Figure 18. Output short circuit Current
(Vin = 5.0Vdc, Vo = 0.75Vdc).