ADP124/ADP125

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TABLE OF CONTENTS

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

 

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

 

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

 

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

 

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

 

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

 

Recommended Capacitor Specifications................................... 4

 

Absolute Maximum Ratings............................................................ 5

 

Thermal Data ................................................................................ 5

 

Thermal Resistance ...................................................................... 5

 

ESD Caution.................................................................................. 5

 

Pin Configurations and Function Descriptions ........................... 6

 

Typical Performance Characteristics ..............................................7

 

Theory of Operation ...................................................................... 11

 

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

 

Capacitor Selection .................................................................... 12

 

Undervoltage Lockout ............................................................... 13

 

Enable Feature ............................................................................ 13

 

Current Limit and Thermal Overload Protection ................. 14

 

Thermal Considerations............................................................ 14

 

Junction Temperature Calculations ......................................... 15

 

Printed Circuit Board Layout Considerations ....................... 16

 

Outline Dimensions ....................................................................... 17

 

Ordering Guide .......................................................................... 17

 

REVISION HISTORY

12/09—Revision 0: Initial Version