ADP322/ADP323

Data Sheet

Rev. E | 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 Configurations and Function Descriptions ........................... 6

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

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

Applications Information .............................................................. 17

ADIsimPower Design Tool ....................................................... 17

Capacitor Selection .................................................................... 17

Undervoltage Lockout ............................................................... 18

Enable Feature ............................................................................ 18

Noise Reduction of the ADP323 in Adjustable Mode ........... 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

10/2018—Rev. D to Rev. E

Change to Figure 56 ....................................................................... 19

Changes to Ordering Guide .......................................................... 23

3/2017—Rev. C to Rev. D

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

Changes to Ordering Guide .......................................................... 23

10/2015—Rev. B to Rev. C

Changes to Ordering Guide .......................................................... 23

11/2014—Rev. A to Rev. B

Changes to Features Section............................................................ 1

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

Changes to Figure 30, Figure 31, Figure 32, and Figure 33;

Added Figure 34; Renumbered Sequentially .............................. 12

Added Figure 35 and Figure 36; Changes to Figure 38,

Figure 39, and Figure 40 ................................................................ 13

Added ADIsimPower Design Tool Section................................. 17

Added Noise Reduction of the ADP323 in Adjustable Mode

Section.............................................................................................. 19

9/2011—Rev. 0 to Rev. A

Added Figure 2, Renumbered Sequentially ...................................1

Changes to Theory of Operation Section.................................... 15

Added Figure 45, Renumbered Sequentially .............................. 15

Changes to Ordering Guide.......................................................... 21

9/2010—Revision 0: Initial Version