A4402_12 datasheet(6/17 Pages) ALLEGRO

Part #	A4402

Description	The A4402 is a dual-output regulator, combining in a single package a constant on-time buck regulator and a linear regulator (LDO)?봢ach with adjustable output voltages.

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Manufacturer	ALLEGRO [Allegro MicroSystems]

Direct Link	http://www.allegromicro.com

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6 / 17 page

Constant On-Time Buck Converter

With Integrated Linear Regulator

A4402

6

Allegro MicroSystems, Inc.

115 Northeast Cutoff

Worcester, Massachusetts 01615-0036 U.S.A.

1.508.853.5000; www.allegromicro.com

VIN1

ENB

VSW

VO2

NPOR

UVLO Rising

tpor

tss

UVLO Falling

6 V

18 V

VSW

VO2

NPOR

tpor

tss

VPOR

VCTSET

UVLO Rising

tpor

UVLO Rising

tpor

tss

Power-Up and Power-Down Timing Diagrams

Using ENB

Using VIN1

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A4402 Datasheet(PDF) 6 Page - Allegro MicroSystems

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