Diodes AP3203 - Manual (Page 8)

Preliminary Datasheet
380kHz, 3A Asynchronous DC - DC Buck Converter AP3203
Mar. 2011 Rev. 1. 0 BCD Semiconductor Manufacturing Limited
8
Typical Performance Characteristics (Continued)
T
A
=25 ºC , V
IN
=12V, V
OUT
=3.3V, unless otherwise noted.
Figure 12. Enable Turn Off Figure 13. Enable Turn On
(V
IN
=12V,V
OUT
=3.3V, I
OUT
=3A, with Resister load) (V
IN
=12V,V
OUT
=3.3V, I
OUT
=3A, with Resistance Load)
Figure 14. Short Circuit Protection Figure 15. Short Circuit Recovery
(V
IN
=12V, V
OUT
=3.3V, I
OUT
=3A) (V
IN
=12V, V
OUT
=3.3V, I
OUT
=3A)
V
OUT
1V/div
I
L
2A/div
V
SW
5V/div
Time 10ms/div
V
OUT
1V/div
I
L
2A/div
V
EN
2V/div
Time 10ms/div
V
SW
5V/div
V
OUT
2V/div
I
L
2A/div
V
SW
5V/div
Time 200 µs/div
V
OUT
2V/div
I
L
2A/div
V
SW
5V/div
Time 400 µs/div
V
EN
2V/div