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MAX77720

Wide Output-Voltage Range, Dual-

Polarity PMIC

19-101733; Rev 0; 9/23

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TABLE OF CONTENTS

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

Simplified Application Diagram ...........................................................................................................................................1

Key Applications .................................................................................................................................................................1

Benefits and Features.........................................................................................................................................................1

Pin Configuration ................................................................................................................................................................1

Absolute Maximum Ratings ...............................................................................................................................................7

Recommended Operating Conditions.................................................................................................................................7

Package Information ...........................................................................................................................................................7

Electrical Characteristics.....................................................................................................................................................8

Electrical Characteristics—Global Resources ....................................................................................................................9

Electrical Characteristics—Boost Regulator .....................................................................................................................10

Electrical Characteristics—Inverting Buck-Boost..............................................................................................................11

Electrical Characteristics—I2C Serial Interface .................................................................................................................12

Typical Operating Characteristics .....................................................................................................................................13

Pin Configuration ..............................................................................................................................................................17

Pin Description..................................................................................................................................................................17

Block Diagram...................................................................................................................................................................19

Detailed Description..........................................................................................................................................................19

Part Number Decoding..................................................................................................................................................20

Power-Up/Power-Down Sequence................................................................................................................................20

Soft-Start....................................................................................................................................................................21

Shutdown ......................................................................................................................................................................21

nERR Error Pin..............................................................................................................................................................21

Power-OK Monitor .........................................................................................................................................................23

Interrupt (nIRQ) .............................................................................................................................................................24

System State Flow ........................................................................................................................................................24

Protection Features .......................................................................................................................................................27

IN Overvoltage Lockout (OVLO) ...................................................................................................................................27

IN Undervoltage Lockout (UVLO)..................................................................................................................................27

Overtemperature Lockout (OTLO) ................................................................................................................................27

Overcurrent Protection (OCP) .......................................................................................................................................27

Output Short-Circuit Protection (SCP)...........................................................................................................................28

Detailed Description—Inverting Buck-Boost Converter ....................................................................................................30