AS1329
Data Sheet - Application Information
Figure 18. Single AA Cell to ±3V Synchronous Boost Converter
L1
C3
4.7µH
1µF
1
SW
5
6
VOUT1
3V, 90mA
VOUT
VIN
AA
Battery
C1
4.7µF
C2
4.7µF
R1
1.02MΩ
1%
AS1329
On
Off
4
3
D1
D2
SHDNN
FB
C4
10µF
R2
750kΩ
1%
2
GND
VOUT2
-3V, 10mA
Figure 19. Single AA Cell to 2.5V Synchronous Boost Converter
L1
4.7µH
D1
1
SW
5
6
VIN
VOUT
2.5V, 230mA
VOUT
AA
Battery
C2
10µF
C1
10µF
R1
1.02MΩ
1%
AS1329
On
Off
4
3
SHDNN
FB
R2
1.02MΩ
1%
2
GND
www.austriamicrosystems.com
Revision 1.01
10 - 17