Preliminary datasheet, Typical application, At5503 – Diodes AT5503 User Manual
Page 10
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Preliminary Datasheet
18V, 3A Synchronous DC-DC Buck Converter AT5503
Mar. 2013 Rev. 1. 0 BCD Semiconductor Manufacturing Limited
10
Typical Application
C
C
C
OUT
22μF*2
L
R
EN
100kΩ
R2
R1
R
C
C
P
Optional
C
BS
10nF
C
SS
0.1μF
3
5
1
6
7
8
2
4
AT5503
BS
IN
SW
GND
FB
COMP
EN
SS
Input Voltage=12V
Output Voltage=3.3V
C
IN
10μF*2
4.7μH
3.3nF
13kΩ
10kΩ
31.25kΩ
Figure 15. Typical Application Circuit of AT5503
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