ADP5140WACCZ-R7 datasheet(2/128 Pages) AD

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ADP5140

Data Sheet

Rev. 0 | Page 2 of 128

TABLE OF CONTENTS

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

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

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

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

Functional Block Diagram .............................................................. 3

Typical Application Circuit ............................................................ 4

Specifications .................................................................................... 5

Timing Diagrams ....................................................................... 10

Buck Regulator Specifications .................................................. 11

Boost Regulator Specifications................................................. 12

LDO1 (Regulator 5) Specifications.......................................... 13

LDO2 (Regulator 6) Specifications.......................................... 13

LDO3 (Regulator 7) Specifications.......................................... 14

LDO4 (Regulator 8) Specifications.......................................... 15

LDO5 (Regulator 9) Specifications.......................................... 15

LDO6 (Regulator 10) Specifications........................................ 16

LDO7 (Regulator 11) Specifications........................................ 16

Absolute Maximum Ratings ......................................................... 18

Thermal Resistance .................................................................... 18

Electrostatic Discharge (ESD) Ratings.................................... 18

ESD Caution................................................................................ 18

Pin Configuration and Function Descriptions .......................... 19

Typical Performance Characteristics........................................... 21

Theory of Operation ...................................................................... 33

Synchronous Buck Regulators.................................................. 33

Synchronous Boost Regulator .................................................. 35

LDO Regulators.......................................................................... 36

AVIN and AVDD....................................................................... 37

Enable Function.......................................................................... 37

Active Output Discharge........................................................... 37

Synchronization ......................................................................... 37

Frequency Spread Spectrum..................................................... 37

Feedback Voltage Monitor ....................................................... 37

VMx Voltage Supervisor........................................................... 38

MODE Pin Setting ..................................................................... 39

VIO Supply ................................................................................... 40

Wake-Up Function and External Event Detection............... 40

Watchdog .................................................................................... 40

Pulse Width Monitor................................................................. 44

WDIx Pin as External Events Detection................................. 44

TSD .............................................................................................. 44

RESET, STATUS, and FAULT Fail-Safe Pins........................ 44

Power-Up and Power-Down Sequences................................. 46

SPI ................................................................................................ 48

State Diagram ............................................................................. 50

Applications Information ............................................................. 55

Input Capacitor Selection ......................................................... 55

Inductor Selection...................................................................... 55

Output Capacitor Selection ...................................................... 56

Low Output Noise Design of BUCK4 ..................................... 57

Voltage Conversion Limitations.............................................. 57

PCB Layout Recommendations ................................................... 59

SPI Register Map ............................................................................ 60

SPI Register Summary............................................................... 60

Outline Dimensions..................................................................... 128

Ordering Guide ........................................................................ 128

Automotive Products .............................................................. 128

REVISION HISTORY

8/2022—Revision 0: Initial Version

ADP5140WACCZ-R7 数据表(PDF) 2 Page - Analog Devices

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