ADM1270

Data Sheet

Rev. A | Page 2 of 21

TABLE OF CONTENTS

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

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

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

Simplified Functional Block Diagram ........................................... 1

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

Specifications..................................................................................... 3

Absolute Maximum Ratings............................................................ 5

Thermal Characteristics .............................................................. 5

ESD Caution.................................................................................. 5

Pin Configurations and Function Descriptions ........................... 6

Typical Performance Characteristics ............................................. 9

Typical Application Circuit ........................................................... 14

Theory of Operation ...................................................................... 15

Powering the ADM1270 ............................................................ 16

Current Sense Inputs ................................................................. 16

Current-Limit Reference ........................................................... 16

Setting the Current Limit (ISET) ............................................. 16

Foldback ...................................................................................... 17

TIMER ......................................................................................... 17

TIMER_OFF ............................................................................... 18

Hot Swap Retry Duty Cycle ...................................................... 18

Gate and RPFG Clamps............................................................. 19

Fast Response to Severe Overcurrent ...................................... 19

Undervoltage and Overvoltage................................................. 19

Enable Input................................................................................ 19

Power Good ................................................................................ 20

Outline Dimensions....................................................................... 21

Ordering Guide .......................................................................... 21

REVISION HISTORY

4/16—Rev. 0 to Rev. A

Change to Setting the Current Limit (ISET) Section................. 17

12/14—Revision 0: Initial Version