Copyright

© ANPEC Electronics Corp.

Rev. A.2 - Jun., 2013

www.anpec.com.tw

8

APW7290

Typical Application Circuit

VIN

GND

LBI

1

FB

5

APW7290

SW

3

V

IN

3.6 ~7.2V

3.3V/1A

L1

2.2 µH

R2

10 k

2

R1

45k

C1

C2

10µF/6.3 V/X 5R

(MLCC)

R1

≤ 900KΩ is recommended

R2

≤ 200KΩ is recommended

ON

OFF

RUN

4

VOUT

100k

Low Battery

Output

LBO

10 k

10 k

6

7

8

10µF/6.3 V/X 5R

(MLCC)

Toy Application

E-Book Application

VIN

GND

LBI

1

FB

5

APW7290

SW

3

3.6~7.2V

V

OUT

1.8V /300 mA

L 1

2.2µH

2

C2

10µF/6.3V/X5R

(MLCC)

ON

OFF

RUN

4

VOUT

100 k

Low Battery Output

LBO

10k

10k

6

7

8

10µF/6.3 V/X 5R

(MLCC)

C1

Power Sequence: a. VIN Rise up -> RUN Rise up b. RUN Rise up -> VIN Rise up