Ap3503, Data sheet, Typical application – Diodes AP3503 User Manual
Page 9
Data Sheet
340kHz, 3A Synchronous DC-DC Buck Converter AP3503
May. 2012 Rev. 1. 7 BCD Semiconductor Manufacturing Limited
9
Typical Application
C3
3.3nF
C12
10µF/25V
C22
22µF/25V
D1
Optional
L 10µH
R4
100k
R2
10k
R1
26.1k
R3
13k
C6
Optional
C4
10nF
C5
0.1µF
3
5
1
6
7
8
2
4
AP3503
BS
IN
SW
GND
FB
COMP
EN
SS
C21
22µF/25V
C11
10µF/25V
Input Voltage=12V
Output Voltage=3.3V
Figure 16. Typical Application of AP3503
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