Data Sheet

ADPL42005

analog.com

Rev. 0

2 of 26

TABLE OF CONTENTS

Features.................................................................................................................................................................................................1

Applications ..........................................................................................................................................................................................1

General Description ..............................................................................................................................................................................1

Simplified Application DiagramS .........................................................................................................................................................1

Specifications........................................................................................................................................................................................3

Absolute Maximum Ratings ..................................................................................................................................................................6

Thermal Data ....................................................................................................................................................................................6

Thermal Resistance ..........................................................................................................................................................................7

ESD Caution ......................................................................................................................................................................................7

Pin Configurations and Function Descriptions ....................................................................................................................................8

Pin Descriptions................................................................................................................................................................................8

Typical Performance Characteristics ...................................................................................................................................................9

Theory of Operation............................................................................................................................................................................15

Applications Information....................................................................................................................................................................17

Design Tools....................................................................................................................................................................................17

Capacitor Selection ........................................................................................................................................................................17

Input Bypass Capacitor ..............................................................................................................................................................17

Programmable Undervoltage Lockout(UVLO)...............................................................................................................................17

Power-Good Feature ......................................................................................................................................................................19

Noise Reduction of the ADPL42005 in Adjustable Mode ...............................................................................................................20

Current Limit and Thermal Overload Protection...........................................................................................................................20

PRINTED CIRCUIT BOARD LAYOUT CONSIDERATIONS.......................................................................................................................22

Outline Dimensions.............................................................................................................................................................................23

Ordering Guide....................................................................................................................................................................................24

Output Voltage Options..................................................................................................................................................................24

Evaluation Boards ..........................................................................................................................................................................24

REVISION HISTORY..............................................................................................................................................................................25