ADP222/ADP223/ADP224/ADP225

Data Sheet

Rev. B | Page 2 of 24

TABLE OF CONTENTS

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

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

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

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

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

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

Input and Output Capacitor, Recommended Specifications.. 4

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

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

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

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

Pin Configuration and Function Descriptions............................. 6

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

Theory of Operation ...................................................................... 17

Applications Information .............................................................. 18

Capacitor Selection .................................................................... 18

Enable Feature ............................................................................ 19

Paralleling Outputs to Increase Output Current.................... 19

Quick Output Discharge (QOD) Function ............................ 19

Current Limit and Thermal Overload Protection ................. 20

Thermal Considerations............................................................ 20

Printed Circuit Board Layout Considerations........................ 22

Outline Dimensions....................................................................... 23

Ordering Guide .......................................................................... 23

REVISION HISTORY

8/11—Rev. A to Rev. B

Changes to Features and General Descriptions Sections............ 1

Added Figure 64; Renumbered Sequentially .............................. 17

Changes to Theory of Operation Section.................................... 17

Changes to Output Capacitor Section ......................................... 18

Changes to Paralleling Outputs to Increase Output

Current Section............................................................................... 19

Updated Outline Dimensions....................................................... 23

7/11—Rev. 0 to Rev. A

Added ADP222, ADP224, and ADP225 .........................Universal

Changes to Features Section, Applications Section,

General Description Section, and Figure 2....................................1

Changes to Table 1.............................................................................3

Added Figure 4; Renumbered Sequentially ...................................6

Changes to Table 5.............................................................................6

Changes to Typical Performance Characteristics Section ...........7

Changes to Theory of Operation Section and Figure 62 .......... 17

Added Figure 63 ............................................................................. 17

Added Quick Output Discharge (QOD) Function Section

Added Figure 70 ............................................................................. 20

2/11—Revision 0: Initial Version