ADP5301

Data Sheet

Rev. A | Page 2 of 21

TABLE OF CONTENTS

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

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

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

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

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

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 Operation Modes............................................ 14

Oscillator 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 a Precharged Output ........................................... 15

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

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

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

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

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

External Component Selection ................................................ 16

Selecting the Inductor................................................................ 16

Output Capacitor........................................................................ 16

Input Capacitor........................................................................... 17

Efficiency..................................................................................... 17

Printed Circuit Board (PCB) Layout Recommendations ..... 18

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

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

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

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

REVISION HISTORY

12/15—Rev. 0 to Rev. A

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

6/15—Revision 0: Initial Version