AS1322B 데이터 시트보기 (PDF) - austriamicrosystems AG
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AS1322B Datasheet PDF : 17 Pages
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AS1322
Data Sheet
austriamicrosystems
Powersave Operation (AS1322A)
Figure 18. Single AA Cell to ±3V Synchronous Boost Converter
L1
C3
4.7µH
1µF
AA
Battery
On
Off
1 SW
C1
4.7µF
6
5
VIN
VOUT
AS1322
R1
1.02MΩ
1%
4
SHDNN
3
FB
2 GND
D1
R2
750kΩ
1%
C2
4.7µF
VOUT1
3V, 90mA
D2
C4
10µF
VOUT2
-3V, 10mA
Figure 19. Single AA Cell to 2.5V Synchronous Boost Converter
L1
10µH
D1
6
AA
VIN
C1
Battery
10µF
On
4
Off
SHDNN
1 SW
AS1322
2 GND
5
VOUT
R1
1.02MΩ
1%
3
FB
R2
1.02MΩ
1%
VOUT
2.5V, 230mA
C2
10µF
www.austriamicrosystems.com
Revision 1.03
10 - 17
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