Diodes AP3202 - Manual (Page 8)

Preliminary Datasheet
380kHz, 2A Asynchronous DC-DC Buck Converter AP3202
Mar. 2011 Rev. 1. 2 BCD Semiconductor Manufacturing Limited
8
Typical Performance Characteristics (Continued)
T
A
=25 o C , V
IN
=12V, V
OUT
=3.3V, unless otherwise noted.
Figure 12. Enable Turn on Characteristic Figure 13. Enable Turn off Characteristic
(I
OUT
=2A, Resistance Load) (I
OU T
=2A, Resistance Load)
Figure 14. Short Circuit Protection Figure 15. Short Circuit Recovery
(I
OUT
=2A) (I
OUT
=2A)
Time (800 µs/div)
V
SW
5V/div
V
EN
2V/div
I
L
1A/div
V
OUT
2V/div
V
SW
5V/div
V
EN
2V/div
I
L
1A/div
V
OUT
2V/div
Time (400 µs/div)
V
SW
5V/div
I
L
1A/div
V
OUT
2V/div
Time (100 µs/div)
V
SW
5V/div
I
L
1A/div
V
OUT
2V/div
Time (100 µs/div)