Data Sheet

LT8418

analog.com

Rev 0

2 of 19

TABLE OF CONTENTS

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

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

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

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

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

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

Timing Diagrams ................................................................5

Absolute Maximum Ratings ...................................................5

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

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

Pin Descriptions .................................................................7

Block diagram.........................................................................8

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

Theory of Operation .............................................................12

1.1. Chip Start-up, VCCUVLO/OVLO Protections .............12

1.2. Input Interface INT, INB ............................................12

1.3. Smart Bootstrap (BST) Switch and BST UVLO ........12

1.4. Split Gate Driver ......................................................12

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

1.1. Selecting the VCCand BST Capacitor ........................13

1.2. Selecting the Gate Resistance..................................13

1.3. Power Dissipation .....................................................13

1.4. PCB Bypass and Grounding Guideline.....................14

1.5. Soldering Guideline ..................................................14

Outline Dimensions..............................................................15

Typical Applications.............................................................16

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

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

REVISION HISTORY

10/2023 – Rev. 0