ADP5304

Data Sheet

Rev. 0 | Page 2 of 17

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............................................................ 5

 

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

 

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

 

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

 

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

 

Theory of Operation ...................................................................... 11

 

Buck Regulator Operational Mode .......................................... 11

 

Adjustable and Fixed Output Voltages .................................... 11

 

Undervoltage Lockout (UVLO) ............................................... 11

 

Enable/Disable ............................................................................ 11

 

VINOK Function........................................................................ 11

 

Current Limit .............................................................................. 12

 

Short-Circuit Protection............................................................ 12

 

Soft Start ...................................................................................... 12

 

Startup with Precharged Output .............................................. 12

 

100% Duty Operation................................................................ 12

 

Active Discharge......................................................................... 12

 

Thermal Shutdown .................................................................... 12

 

Applications Information .............................................................. 13

 

External Component Selection ................................................ 13

 

Selecting the Inductor................................................................ 13

 

Output Capacitor........................................................................ 13

 

Input Capacitor........................................................................... 14

 

Layout Recommendations ........................................................ 14

 

Typical Application Circuits ......................................................... 15

 

Factory Programmable Options ................................................... 16

 

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

 

Ordering Guide .......................................................................... 17

 

REVISION HISTORY

10/15—Revision 0: Initial Version