AS1330
Datasheet - Application Information
Figure 21. AS1330 - Boost Converter, Single AA Cell to 2.5V adjustable Output Voltage
L1
1µH
SW
AA Battery
VOUT
2.5V
VOUT
VIN
EN
C2
4.7µF
C1
4.7µF
R1
560kΩ
CFF
AS1330-AD
POK
FB
On
Off
R2
SENSE
GND
270kΩ
To power an output voltage of 3.3V with the AS1330 a schottky diode is requiered. In this setup the output disconnect
function is no longer working because the schottky diode is bypassing the input to the output.
Figure 22. AS1330 - Boost Converter, Single AA Cell to 3.3V adjustable Output Voltage
L1
1µH
D1
SW
VOUT
3.3V
AA Battery
VOUT
VIN
C1
C2
4.7µF
4.7µF
R1
470kΩ
CFF
AS1330-AD
POK
FB
On
Off
EN
R2
SENSE
GND
150kΩ
www.austriamicrosystems.com/DC-DC_Step-Up/AS1330
Revision 1.04
11 - 16
AMSCO [ AMS(艾迈斯) ]
