SMM766B_11 datasheet(2/39 Pages) SUMMIT

2 / 39 page

SMM766B

Summit Microelectronics, Inc

2122 3.1 5/24/2011

TABLE OF CONTENTS

General Description………………………...……………3

Internal Functional Block Diagram……..… ……………4

Pin Descriptions………………………………………..5-6

Package And Pin Configuration………………… ……..7

Absolute Maximum Ratings………………… ………….8

Recommended Operating Conditions……… …..……..8

DC Operating Characteristics………………….. …..8-11

AC Operating Characteristics………………...……….12

2C 2-Wire Serial Interface AC Operating

Characteristics-100/400khz……………………………13

Timing Diagrams……………………… ……………13-14

DEVICE OPERATION

Power Supply...……………………….……….…… ….15

Modes Of Operation………………………...………….15

Active DC Output Control……………………… ….15-16

Power-On Cascade Sequencing….……………….….16

Ongoing Operations-Monitoring Mode…………...…..17

Temperature Sensor Accuracy………………………..17

Automonitor………………………………………… …..18

Margining…………………………………………… …..18

Power-Off Cascade Sequencing………………….…..18

Force-Shutdown….………………………………… ….19

Linked Operation……………………………..…...… …19

Restart…..………………………………………….……19

2C Power-Off Control………………………...………..19

Recommended Use Of The Power On Pin……… ….20

Auto Monitor Function…………………………..….21-25

Under-voltage Lockout………………...….…… ……..26

Applications Schematic…………………………… …..27

Development Hardware & Software……………...…..28

C Programming Information

Serial Interface.……………………………………..…..29

Write……………………………………...….…… ……..29

Read….…………………………………………… …….29

Write Protection….……………………….………… ….30

Configuration Registers…..………………………… …30

General-Purpose Memory….………………………….30

Command And Status Registers……………………...30

ADC Conversions….………………………….…….….30

Graphical User Interface (GUI)………………………..30

Write Protection Register Write……………...………..31

Configuration Register Read/Write………...……..31-32

General-Purpose Memory Read/Write……..…… …..33

Command And Status Register Read/Write…… …...34

ADC Conversion Read….……………………… ….….34

Default Configuration Register Settings……….……..35

Package…………………………………………..……..36

Part Marking……………………………………...……..37

Ordering Information…..……………………….… ……37

Terminology And Definitions…………………………..38

Legal Notice……………………………………………..39

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