ADP2300/ADP2301

Data Sheet

Rev. C | Page 2 of 28

TABLE OF CONTENTS

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

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

Typical Applications Circuit............................................................ 1

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

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

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

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

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

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

Pin Configuration and Function Descriptions............................. 5

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

Functional Block Diagram ............................................................ 13

Theory of Operation ...................................................................... 14

Basic Operation .......................................................................... 14

PWM Mode................................................................................. 14

Power Saving Mode.................................................................... 14

Bootstrap Circuitry .................................................................... 14

Precision Enable ......................................................................... 14

Integrated Soft Start ................................................................... 14

Current Limit .............................................................................. 14

Short-Circuit Protection............................................................ 15

Undervoltage Lockout (UVLO) ............................................... 15

Thermal Shutdown..................................................................... 15

Control Loop............................................................................... 15

Applications Information .............................................................. 16

ADIsimPower Design Tool ....................................................... 16

Programming the Output Voltage ........................................... 16

Voltage Conversion Limitations............................................... 16

Low Input Voltage Considerations .......................................... 17

Programming the Precision Enable......................................... 17

Inductor....................................................................................... 18

Catch Diode ................................................................................ 19

Input Capacitor........................................................................... 19

Output Capacitor........................................................................ 19

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

Design Example .............................................................................. 21

Switching Frequency Selection................................................. 21

Catch Diode Selection ............................................................... 21

Inductor Selection ...................................................................... 21

Output Capacitor Selection....................................................... 21

Resistive Voltage Divider Selection.......................................... 22

Circuit Board Layout Recommendations ................................... 23

Typical Application Circuits ......................................................... 24

Outline Dimensions....................................................................... 26

Ordering Guide .......................................................................... 26

REVISION HISTORY

11/12—Rev. B to Rev. C

Changes to Ordering Guide .......................................................... 26

6/12—Rev. A to Rev. B

Change to Features Section ............................................................. 1

Added ADIsimPower Design Tool Section................................. 16

6/10—Rev. 0 to Rev. A

Changes to Figure 54...................................................................... 25

Changes to Ordering Guide .......................................................... 26

2/10—Revision 0: Initial Version