Data Sheet

LTC9105

TABLE OF CONTENTS

analog.com

Rev. A | 2 of 22

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

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

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

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

Absolute Maximum Ratings...................................3

ESD Caution.......................................................3

Thermal Resistance........................................... 3

Order Information.................................................. 4

Electrical Characteristics....................................... 5

Pin Configuration and Function............................. 7

Typical Performance Characteristics..................... 8

Theory of Operation.............................................10

Auxiliary Input................................................... 11

Dual-Input Prioritization.................................... 13

Automatic Maintain Power Signature............... 14

Analog-to-Digital Converters (ADC)................. 14

I2C Interface.........................................................15

Register Map....................................................... 17

Applications Information...................................... 19

External Component Selection.........................19

Layout Considerations......................................19

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

Typical Application...............................................22

Related Parts....................................................22

REVISION HISTORY

2/2025—Rev. 0 to Rev. A

: Initial public release

Changes to Features Section.......................................................................................................................... 1

Changes to Applications Section..................................................................................................................... 1

Changes to Dual-Input Prioritization Section................................................................................................. 13

6/2024—Revision 0: Initial

release