www.austriamicrosystems.com/DC-DC_Step-Up/AS1330

Revision 1.04

11 - 16

AS1330

Datasheet - A p p l i c a t i o n I n f o r m a t i o n

Figure 21. AS1330 - Boost Converter, Single AA Cell to 2.5V adjustable Output Voltage

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

AA Battery

AS1330-AD

C2

4.7µF

On

Off

L1

1µH

C1

4.7µF

SW

2.5V

EN

FB

VIN

VOUT

SENSE

POK

R1

560k

Ω

R2

270k

Ω

GND

AA Battery

AS1330-AD

C2

4.7µF

On

Off

L1

1µH

C1

4.7µF

GND

SW

3.3V

EN

FB

VIN

VOUT

SENSE

POK

R1

470k

Ω

R2

150k

Ω

D1