Data Sheet
June 24, 2008
Austin MicroLynx
TM
SMT Non-isolated Power Modules:
3.0 – 5.8Vdc input; 0.75Vdc to 4.0Vdc Output; 5A output current
Characteristic Curves
(continued)
The following figures provide typical characteristics for the Austin MicroLynx
TM
SMT modules at 25ºC.
OUTPUT CURRENT, OUTPUTVOLTAGE
I
O
(A) (2A/div)
V
O
(V) (50mV/div)
OUTPUT VOLTAGE, INPUT VOLTAGE
V
o
(V) (1V/div)
V
IN
(V) (2V/div)
TIME, t (10μs/div)
TIME, t (2 ms/div)
Figure 14. Transient Response to Dynamic Load
Change from 100% of 50% full load (Vo = 5.0 Vdc, Cext
= 2x150
μF
Polymer Capacitors).
On/Off VOLTAGE
V
On/off
(V) (2V/div)
Figure 17. Typical Start-Up with application of Vin
(Vin = 5.0Vdc, Vo = 3.3Vdc, Io = 5A).
On/Off VOLTAGE
OUTPUT VOLTAGE
V
On/off
(V) (2V/div)
V
O
V) (1V/div)
OUTPUT VOLTAGE
V
O
V) (1V/div)
TIME, t (2 ms/div)
TIME, t (2 ms/div)
Figure 15. Typical Start-Up Using Remote On/Off (Vin
= 5.0Vdc, Vo = 3.3Vdc, Io = 5.0A).
On/Off VOLTAGE
V
On/off
(V) (2V/div)
Figure 18. Typical Start-Up Using Remote On/Off with
Prebias (Vin = 3.3Vdc, Vo = 1.8Vdc, Io = 1.0A, Vbias
=1.0Vdc).
OUTPUT CURRENT,
OUTPUT VOLTAGE
V
O
V) (1V/div)
TIME, t (2 ms/div)
I
O
(A) (5A/div)
TIME, t (5ms/div)
F
igure 16. Typical Start-Up Using Remote On/Off with
Low-ESR external capacitors (7x150uF Polymer) (Vin
= 5.0Vdc, Vo = 3.3Vdc, Io = 5.0A, Co = 1050μF).
Figure 19. Output short circuit Current (Vin = 5.0Vdc,
Vo = 0.75Vdc).
LINEAGE
POWER
9
LINEAGEPOWER [ LINEAGE POWER CORPORATION ]
