Data Sheet

LT7826

analog.com

Rev. 0

2 of 19

TABLE OF CONTENTS

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

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

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

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

Revision History .........................................................................................................................................................................................3

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

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

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

Electrostatic Discharge (ESD)...............................................................................................................................................................6

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

Pin Configurations and Function Descriptions........................................................................................................................................7

Typical Performance Characteristics .......................................................................................................................................................9

Block Diagram..........................................................................................................................................................................................11

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

Start-Up and Shutdown (RUN)...........................................................................................................................................................11

INTVCC Power and UVLO ....................................................................................................................................................................11

MODE Pin and Standby Mode.............................................................................................................................................................12

Pre-balance..........................................................................................................................................................................................12

Over Current Protection .....................................................................................................................................................................12

FAULT Pin and Fault Response ..........................................................................................................................................................12

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

Pre-balance Mode with Reduced Loading Capacity .........................................................................................................................13

Effective Open-Loop Output Resistance And Load Regulation .......................................................................................................13

Input/Output Capacitor and Flying Capacitor Selection..................................................................................................................13

Voltage Doubler Applications.............................................................................................................................................................14

Voltage Inverter Applications .............................................................................................................................................................14

Interleave Operation in Parallel Applications ...................................................................................................................................14

PCB Layout Checklist ..........................................................................................................................................................................14

Typical Applications ................................................................................................................................................................................15

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

Ordering Guide.........................................................................................................................................................................................18

Related Parts............................................................................................................................................................................................18