AP5101
1.5A Step-Down Converter with 1.4MHz Switching
Frequency
AP5101
Document number: DS32258 Rev. 1 - 2
2 of 15
www.diodes.com
July 2010
© Diodes Incorporated
NEW PRODUCT
Typical Application Circuit (continiued)
6
IN
EN
GND
COMP
FB
SW
BST
AP5101
Output
3.3V
1.5A
C2
22µF/6.3V
CERAMIC
X2
C3
3nF
R3
5.6k
R2
16.2k 1%
C4
10nF
L1
4.7uH
Input
4.75V to 22V
R4
100k
R1
49.9k 1%
C1
10uF/25V
CERAMIC
4,8
3
2
5
1
7
D1
B340A
Figure 2. 1.4MHz, 3.3V Output at 1.5A Step-Down Converter
