Datasheet

ADM1171 Data Sheet
Rev. A | Page 2 of 16
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
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 ................................................... 13
Automatic Retry or Latched Off ............................................... 14
Soft Start ...................................................................................... 14
CSOUT Pin ................................................................................. 14
Outline Dimensions ....................................................................... 15
Ordering Guide .......................................................................... 15
REVISION HISTORY
11/13—Rev. 0 to Rev. A
Changes to Figure 39 ...................................................................... 14
7/06—Revision 0: Initial Version