ADP124/ADP125

Data Sheet

Rev. C | Page 2 of 20

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 .......................................................................... 18

REVISION HISTORY

6/12—Rev. B to Rev. C

Changes to Table 3.............................................................................5

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

4/12—Rev. A to Rev. B

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

Changes to Ordering Guide ...........................................................18

9/10—Rev. 0 to Rev. A

Added 8-Lead LFCSP Package..................................... Throughout

Added Figure 4 and Figure 6 (Renumbered Sequentially) ......... 6

Changes to Thermal Conditions Section and Table 6 ............... 14

Added Table 7.................................................................................. 14

Changes to Junction Temperature Calculations Section........... 15

Added Figure 44.............................................................................. 16

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

Changes to Ordering Guide .......................................................... 18

12/09—Revision 0: Initial Version