Datasheet

ADM12914 Data Sheet
Rev. D | 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 ............................................. 7
Theory of Operation ........................................................................ 9
Voltage Supervision ...................................................................... 9
Polarity Configuration ................................................................. 9
Monitoring Pin Connections .................................................... 10
Threshold Accuracy ................................................................... 10
Voltage Monitoring Example .................................................... 11
Power-Up and Power-Down ..................................................... 12
UV
/
OV
Timing Characteristics ............................................... 12
Timer Capacitor Selection ........................................................ 12
UV
/
OV
OUTPUT Characteristics ........................................... 13
Glitch Immunity ......................................................................... 13
Undervoltage Lockout (UVLO) ............................................... 13
Shunt Regulator .......................................................................... 13
OV
Latch (ADM12914-1) ......................................................... 13
Disable (ADM12914-2) ............................................................. 13
Typical Applications ....................................................................... 14
Outline Dimensions ....................................................................... 15
Ordering Guide .......................................................................... 15
REVISION HISTORY
8/13—Rev. C to Rev. D
Changes to Figure 17 and Figure 18 ............................................. 10
Deleted
UV
and
OV
Rise and Fall Times Section ...................... 13
Changes to Figure 24 and Figure 25 ............................................. 15
6/10—Rev. B to Rev. C
Changed V
CC
of 1 V to V
CC
of 0.9 V in Features Section ............. 1
2/10—Rev. A to Rev. B
Changes to Figure 17 and Figure 18 ............................................. 10
12/09—Rev. 0 to Rev. A
Changes to Shunt Regulator Section ............................................ 13
9/09—Revision 0: Initial Version