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ADM1073

Full-Feature −48 V Hot Swap Controller

Analog Devices 

ADM1073

TABLE OF CONTENTS

General Description ......................................................................... 3

Specifications..................................................................................... 4

Absolute Maximum Ratings............................................................ 6

Thermal Characteristics .............................................................. 6

ESD Caution.................................................................................. 6

Pin Configuration and Function Descriptions............................. 7

Typical Performance Characteristics ............................................. 8

Functional Description .................................................................. 13

Hot Circuit Insertion ................................................................. 13

Initial Startup .............................................................................. 13

Board Removal ........................................................................... 14

Controlling the Current............................................................. 14

Sense............................................................................................. 15

Sense Resistor.............................................................................. 15

Soft Start (SS Pin) ....................................................................... 15

GATE............................................................................................ 15

VIN................................................................................................. 15

VEE................................................................................................. 15

REVISION HISTORY

Revision 0: Initial Version

Timing Control—TIMER ......................................................... 15

Drain ............................................................................................ 16

PWRGD....................................................................................... 16

LATCHED................................................................................... 16

SPLYGD ....................................................................................... 16

RESTART..................................................................................... 16

SHDN........................................................................................... 16

Undervoltage/Overvoltage Detection ..................................... 16

Functionality and Timing.............................................................. 18

Live Insertion .............................................................................. 18

Overvoltage and Undervoltage Faults ..................................... 18

Soft Start ...................................................................................... 19

Current Faults ............................................................................. 20

Logic Inputs................................................................................. 21

Kelvin Sense Resistor Connection ........................................... 21

Outline Dimensions ....................................................................... 22

Ordering Guide .......................................................................... 22

Rev. 0| Page 2 of 24

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