ADM1172
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
General Description ......................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Absolute Maximum Ratings............................................................ 4
Thermal Characteristics .............................................................. 4
ESD Caution.................................................................................. 4
Pin Configurations and Function Descriptions ........................... 5
Typical Performance Characteristics ............................................. 6
Theory of Operation ...................................................................... 12
Overview...................................................................................... 12
REVISION HISTORY
3/14—Rev. 0 to Rev. A
Changes to Figure 41...................................................................... 14
Changes to Ordering Guide .......................................................... 15
7/06—Revision 0: Initial Version
Data Sheet
UVLO........................................................................................... 12
ON (ON-CLR) Pin ..................................................................... 12
GATE ........................................................................................... 12
Current Limit Function ............................................................. 12
Calculating the Current Limit .................................................. 12
Circuit Breaker Function........................................................... 12
Timer Function........................................................................... 13
Power-Up Timing Cycle ............................................................ 13
Circuit Breaker Timing Cycle................................................... 14
Automatic Retry or Latched Off............................................... 14
Power-Fail Comparator ............................................................. 14
Outline Dimensions ....................................................................... 15
Ordering Guide .......................................................................... 15
Rev. A | Page 2 of 16