Diodes AP3201A - Manual (Page 7)

Preliminary Datasheet
380kHz, 2A Asynchronous DC-DC Buck Converter AP3201A
Mar. 2011 Rev. 1. 0 BCD Semiconductor Manufacturing Limited
7
Typical Performance Characteristics (Continued)
T
A
=25ºC, V
IN
=12V, V
OUT
=3.3V, unless otherwise noted.
Figure 8. Output Ripple (I
OUT
=2A) Figure 9. Load Transient (I
OUT
=1 to 2A)
Figure 10. Enable Turn on Characteristic Figure 11. Enable Turn off Characteristic
(I
OUT
=2A, CC Mode) (I
OUT
=2A, CC Mode)
V
SW
5V/div
V
OUT-AC
20mV/div
I
L
1A/div
Time (2
µs/div)
Time (200
µs/div)
V
OUT-AC
100mV/div
I
L
1A/div
Time (10ms/div)
V
SW
10V/div
I
L
1A/div
V
OUT
1V/div
V
EN
2V/div
V
SW
10V/div
I
L
1A/div
V
OUT
1V/div
V
EN
2V/div
Time (10ms/div)