LTC3589EUJ(RevB) Ver la hoja de datos (PDF) - Linear Technology

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LTC3589EUJ
(Rev.:RevB)

8-Output Regulator with Sequencing and I2C

Linear Technology 

LTC3589

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

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

Step-Down Switching Regulators.......................................................................................................................... 19

Buck-Boost Switching Regulator........................................................................................................................... 23

Slewing DAC Reference Operation......................................................................................................................... 27

Pushbutton Operation............................................................................................................................................ 28

Enable and Power-On Sequencing......................................................................................................................... 30

Fault Detection, Shutdown, and Reporting............................................................................................................. 31

I2C Operation......................................................................................................................................................... 33

Thermal Considerations and Board Layout............................................................................................................ 39

Applications Information........................................................................................................41

Typical Application...............................................................................................................43

Package Description.............................................................................................................44

Revision History..................................................................................................................45

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

Related Parts......................................................................................................................46

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