ADM2914

Rev. 0 | Page 2 of 16

TABLE OF CONTENTS

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

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

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

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

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

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

Absolute Maximum Ratings............................................................ 4

ESD Caution.................................................................................. 4

Pin Configurations and Function Descriptions ........................... 5

Typical Performance Characteristics ............................................. 6

Theory of Operation ........................................................................ 8

Voltage Supervision...................................................................... 8

Polarity Configuration................................................................. 8

Monitoring Pin Connections...................................................... 9

Threshold Accuracy ................................................................... 10

Voltage Monitoring Example.................................................... 10

Power-Up and Power-Down..................................................... 11

UV/OV Timing Characteristics ............................................... 11

Timer Capacitor Selection ........................................................ 11

UV and OV Rise and Fall Times.............................................. 12

UV/OV Output Characteristics ............................................... 12

Glitch Immunity......................................................................... 12

Undervoltage Lockout (UVLO) ............................................... 12

Shunt Regulator .......................................................................... 12

OV

Disable (ADM2914-2) ............................................................... 12

Latch (ADM2914-1) ........................................................... 12

Typical Applications....................................................................... 13

Outline Dimensions....................................................................... 15

Ordering Guide .......................................................................... 15

REVISION HISTORY

5/09—Revision 0: Initial Version