ADP5022

Rev. A | Page 2 of 28

TABLE OF CONTENTS

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

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

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

Revision History ............................................................................... 2

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

Buck1 and Buck2 Specifications................................................. 4

LDO Specifications ...................................................................... 5

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

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

Thermal Resistance ...................................................................... 6

ESD Caution.................................................................................. 6

Pin Configuration and Function Descriptions............................. 7

Typical Performance Characteristics ............................................. 8

Theory of Operation ...................................................................... 16

Power Management Unit........................................................... 16

Buck Section................................................................................ 17

LDO Section ............................................................................... 18

Applications Information .............................................................. 19

Buck External Component Selection....................................... 19

LDO Capacitor Selection .......................................................... 20

PCB Layout Guidelines.................................................................. 22

Evaluation Board schematics and Artwork ................................ 23

Suggested Layout ........................................................................ 23

Outline Dimensions ....................................................................... 25

Ordering Guide .......................................................................... 25

REVISION HISTORY

11/09—Revision A: Initial Version