AP1522 查看數據表（PDF） - Anachip Corporation
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AP1522 Datasheet PDF : 8 Pages
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Step-Up DC/DC Converter
AP1522
Typical Application Circuit (Continued)
VIN
2.5V~3.3V
Step up DC-DC Regulator
L
22uH
D
VOUT
4.8V
CIN
4.7uF
VIN
SW
AP1522 FB
SHDN
GND
57K
4.7pF
COUT
4.7uF
20K
1-Cell Li-lon to 3.3V SEPIC Converter
VIN
2.5V to 4.2V
L1
10uH
C3
1uF
D1
4.7pF
5
1
L2 33K
VIN
SW
10uH
C1
4.7uF
AP1522 FB 3
SHDN
4
20K
GND
2
3.3V
50mA
C2
10uF
VIN
3V to 6V
4-Cell to 5V SEPIC Converter
L1
10uH
C3
1uF
D1
5
1
L2 30K 4.7pF
VIN
SW
10uH
C1
4.7uF
AP1522 FB 3
SHDN
4
10K
GND
2
5V
40mA
C2
10uF
Anachip Corp.
www.anachip.com.tw
Rev. 1.0 May. 5, 2005
4/8
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