LTC3589IUJ-2-TRPBF 데이터 시트보기 (PDF) - Linear Technology

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LTC3589IUJ-2-TRPBF

8-Output Regulator with Sequencing and I2C

Linear Technology 

LTC3589/LTC3589-1/

LTC3589-2

Table of Contents

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

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

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

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

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

Pin Configuration.................................................................................................................. 3

Order Information.................................................................................................................. 3

Electrical Characteristics......................................................................................................... 4

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

Pin Functions......................................................................................................................13

Block Diagram.....................................................................................................................15

Operation.......................................................................................................................... 16

Introduction........................................................................................................................................................... 16

LTC3589, LTC3589-1, and LTC3589-2 Functional Comparison.............................................................................. 17

Always-On LDO...................................................................................................................................................... 17

Step-Down Switching Regulators.......................................................................................................................... 20

Buck-Boost Switching Regulator........................................................................................................................... 24

Slewing DAC Reference Operation......................................................................................................................... 28

Pushbutton Operation............................................................................................................................................ 29

Enable and Power-On Sequencing......................................................................................................................... 31

Fault Detection, Shutdown, and Reporting............................................................................................................. 32

I2C Operation......................................................................................................................................................... 36

Thermal Considerations and Board Layout............................................................................................................ 42

Typical Application...............................................................................................................46

Package Description.............................................................................................................48

Revision History..................................................................................................................49

Typical Application...............................................................................................................50

Related Parts......................................................................................................................50

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For more information www.linear.com/LTC3589

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