www.austriamicrosystems.com

Revision 1.02

11 - 18

AS1335

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

9 Application Information

The AS1335 is perfect for mobile communications equipment, LED matrix displays, bar-graph displays, instrument-

panel meters, dot matrix displays, set-top boxes, white goods, professional audio equipment, medical equipment,

industrial controllers to name a few applications.

Figure 19. AS1335 - Step-Down Converter, Single Li-Ion to 1.0V / 1.5A fixed Output

Figure 20. AS1335 - Step-Down Converter, Single Li-Ion to 3.3V adjustable Output

AS1335-100

100µF

22µF

2.7V to 4.2V

1.0V, 1.5A

2.2µH

NC

GND

VIN

SW

POK

FB

EN

GND

PGND

RSI

100k

Ω

AS1335-AD

100µF

22µF

3.35V to 5.25V

3.3V

2.2µH

NC

GND

VIN

SW

POK

EN

GND

PGND

RSI

100k

Ω

470k

Ω

100k

Ω

FB