AP1603W datasheet(2/8 Pages) DIODES

部件名	AP1603W

功能描述	STEP-UP DC/DC CONVERTER

PDF	8 Pages

Scroll/Zoom	100%

制造商	DIODES [Diodes Incorporated]

网页	http://www.diodes.com

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2 / 8 page

AP1603

STEP-UP DC/DC CONVERTER

AP1603 Rev. 1

2 of 8

NOVEMBER 2006

www.diodes.com

GND

OUT

REF

SOT26

AP1603

SHDN

Name

Description

Feedback

GND Ground

REF

1.2V Reference Voltage. Bypass with a

0.1µF capacitor.

N-Channel and P-Channel Power MOSFET

Drain

OUT

Power Output. OUT provides bootstrap

power to the IC.

SHDN

Shutdown Input. Drive high (>80% of VOUT)

for operating mode. Drive low (<20% of

VOUT) for shutdown mode. Connect to OUT

for normal operation.

Block Diagram

F/F

TRIG

One-Shot

TRIG

Maximum

On-Time

One-Shot

Error

Amplifier

Current-Limit

Amplifier

Zero

Crossing

Amplifier

Minimum

Off-Time

One-Shot

OUT

GND

REF

0.1uF

22uH

0.1uF

47uF

SHDN

Pin Assignments

Pin Descriptions

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