LTC3589_1 Datasheet, PDF (2/46 Pages) Linear Technology – 8-Output Regulator with Sequencing and I2C

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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