LT8277 datasheet(2/31 Pages) AD

2 / 31 page

Data Sheet

LT8277

analog.com

Rev 0

2 of 31

TABLE OF CONTENTS

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

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

Description..............................................................................1

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

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

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

Timing Diagram..................................................................6

Absolute Maximum Ratings ...................................................7

Pin Configurations and Function Descriptions.....................8

Typical Performance Characteristics ..................................10

Block Diagram.......................................................................14

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

Applications Information .....................................................15

Using the SPI Configuration Interface ............................15

Inductor Selection............................................................16

Input Capacitor Selection ...............................................16

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

Current Sense Structure Selection .................................18

Power NMOS Selection....................................................19

Schottky Rectifier Selection............................................19

Loop Compensation ........................................................20

Programming the Switching Frequency ........................20

Soft-Start and PGOOD Reporting....................................20

Using ENABLE...................................................................21

Multichip Operation.........................................................21

PCB Layout Guidelines ....................................................22

Related Parts ........................................................................24

Typical Applications Circuits ...............................................24

Outline Dimensions..............................................................29

Ordering Guide .....................................................................30

REVISION HISTORY

10/2023 - Rev. 0

LT8277 Datasheet(PDF) 2 Page - Analog Devices