ADP2503/ADP2504

Preliminary Technical Data

TABLE OF CONTENTS

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

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

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

Typical Application Circuit ............................................................. 1

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

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

Absolute Maximum Ratings............................................................ 4

Thermal Resistance ...................................................................... 4

ESD Caution.................................................................................. 4

Pin Configuration and Function Description .............................. 5

Typical Performance Characteristics ............................................. 6

Theory of Operation ...................................................................... 10

REVISION HISTORY

8/08—Revision PrB

Reverse Current Limit ............................................................... 10

Power save Mode........................................................................ 10

Soft Start ...................................................................................... 10

Enable........................................................................................... 11

Undervoltage Lockout ............................................................... 11

Thermal Shutdown .................................................................... 11

Short Circuit Protection ............................................................ 11

Applications Information .............................................................. 12

Inductor Selection ...................................................................... 12

PCB Layout Guidelines.................................................................. 14

Outline Dimensions ....................................................................... 15

Ordering Guide .......................................................................... 15

Rev. PrB | Page 2 of 16