ADP5300

Data Sheet

Rev. 0 | Page 2 of 21

TABLE OF CONTENTS

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

 

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

 

Typical Application Circuit ............................................................. 1

 

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

 

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

 

Detailed Functional Block Diagram .............................................. 3

 

Specifications..................................................................................... 4

 

Absolute Maximum Ratings............................................................ 6

 

Thermal Resistance ...................................................................... 6

 

ESD Caution.................................................................................. 6

 

Pin Configuration and Function Descriptions............................. 7

 

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

 

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

 

Buck Regulator Operational Modes......................................... 14

 

Osillator and Synchronization .................................................. 14

 

Adjustable and Fixed Output Voltages .................................... 14

 

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

 

Enable/Disable ............................................................................ 15

 

Current Limit .............................................................................. 15

 

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

 

Soft Start ...................................................................................... 15

 

Startup with Precharged Output .............................................. 15

 

100% Duty Operation................................................................ 15

 

Active Discharge......................................................................... 15

 

VOUTOK Function ................................................................... 15

 

Stop Switching ............................................................................ 16

 

Thermal Shutdown .................................................................... 16

 

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

 

External Component Selection ................................................ 17

 

Selecting the Inductor................................................................ 17

 

Output Capacitor........................................................................ 17

 

Input Capacitor........................................................................... 18

 

Efficiency..................................................................................... 18

 

Circuit Board Layout Recommendations ............................... 18

 

Typical Application Circuits ......................................................... 19

 

Factory Programmable Options ................................................... 20

 

Outline Dimensions ....................................................................... 21

 

Ordering Guide .......................................................................... 21

 

REVISION HISTORY

9/15—Revision 0: Initial Version