Data Sheet

ADPL42002

analog.com

Rev. 1

2 of 22

TABLE OF CONTENTS

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

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

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

Typical Application Circuits ......................................................................................................................................................................1

Revision history .........................................................................................................................................................................................3

Specifications.............................................................................................................................................................................................4

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

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

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

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

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

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

Theory of Operation ................................................................................................................................................................................13

Applications Information ........................................................................................................................................................................14

Design Tools ........................................................................................................................................................................................14

Capacitor Selection.............................................................................................................................................................................14

Output Capacitor............................................................................................................................................................................14

Input Bypass Capacitor ..................................................................................................................................................................14

Programable Precision Enable...........................................................................................................................................................14

Soft Start..............................................................................................................................................................................................16

Noise Reduction of the ADPL42002 in Adjustable Mode ..................................................................................................................17

Effect of Noise Reduction on Start-Up Time .....................................................................................................................................17

Current-Limit and Thermal Overload Protection .............................................................................................................................18

Printed circuit board Layout Considerations ........................................................................................................................................19

Outline Dimensions .................................................................................................................................................................................20

Ordering Guide.........................................................................................................................................................................................21