Data Sheet
May 19, 2009
Austin Lynx
TM
II 12 V SMT Non-Isolated Power Modules:
8.3 – 14.0 Vdc Input; 0.75Vdc to 5.5Vdc Output; 10A output current
Characteristic Curves
(continued)
The following figures provide typical characteristics for the Austin Lynx
TM
II 12 V SMT modules at 25ºC.
6
Io = 10 A
OUTPUT CURRENT, OUTPUT VOLTAGE
INPUT CURRENT, I
IN
(A)
5
Io =5A
4
Io =0 A
3
2
1
0
7
8
9
10
11
12
13
14
Figure 7. Input voltage vs. Input Current
(Vout = 3.3Vdc).
INPUT VOLTAGE, V
IN
(V)
I
O
(A) (2A/div)
V
O
(V) (200mV/div)
Figure 10. Transient Response to Dynamic Load
Change from 50% to 100% of full load (Vo = 3.3Vdc).
OUTPUT CURRENT, OUTPUT VOLTAGE
V
O
(V) (200mV/div)
TIME, t (5
μs/div)
OUTPUT VOLTAGE
V
O
(V) (20mV/div)
I
O
(A) (2A/div)
TIME, t (2μs/div)
TIME, t (5
μs/div)
Figure 8. Typical Output Ripple and Noise
(Vin = 12.0V dc, Vo = 2.5 Vdc, Io=10A).
Figure 11. Transient Response to Dynamic Load
Change from 100% to 50% of full load (Vo = 3.3 Vdc).
OUTPUT CURRENT, OUTPUT VOLTAGE
V
O
(V) (100mV/div)
I
O
(A) (2A/div)
OUTPUT VOLTAGE
V
O
(V) (20mV/div)
TIME, t (2μs/div)
TIME, t (10μs/div)
Figure 9. Typical Output Ripple and Noise
(Vin = 12.0V dc, Vo = 5.0 Vdc, Io=10A).
Figure 12. Transient Response to Dynamic Load
Change from 50% to 100% of full load (Vo = 3.3 Vdc,
Cext = 2x150
μF
Polymer Capacitors).
LINEAGE
POWER
7