AS1322_1 AMSCO [austriamicrosystems AG], AS1322_1 Datasheet - Page 10

• Manufacturer Part Number: AS1322_1
• Description: Low Voltage, Micropower, DC-DC Step-Up Converters
• Manufacturer: AMSCO [austriamicrosystems AG]

AS1322
Data Sheet
Figure 18. Single AA Cell to ±3V Synchronous Boost Converter
Figure 19. Single AA Cell to 2.5V Synchronous Boost Converter
www.austriamicrosystems.com
On
Off
Battery
AA
- A p p l i c a t i o n I n f o r m a t i o n
Battery
AA
4.7µF
C
1
On
Off
SHDNN
10µF
V
C
4.7µH
IN
6
4
1
L1
SHDNN
AS1322
1
2
V
4.7µH
IN
6
4
SW
GND
L1
AS1322
1
2
1µF
5
V
3
FB
C
OUT
Revision 1.07
3
SW
GND
1.02MΩ
D1
750kΩ
5
V
3
FB
1%
1%
R
OUT
R
2
1
1.02MΩ
1.02MΩ
1%
1%
R
R
1
2
D1
10µF
C
2
D2
2.5V, 230mA
4.7µF
V
C
OUT
2
10µF
C
4
3V, 90mA
-3V, 10mA
V
OUT1
V
OUT2
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