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TCA9803

SCPS267B – MARCH 2017 – REVISED FEBRUARY 2020

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Table of Contents

1

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

2

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

3

Description ............................................................. 1

4

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

5

Device Comparison Table..................................... 3

6

Pin Configuration and Functions ......................... 3

7

Specifications......................................................... 4

7.1

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

7.2

ESD Ratings.............................................................. 4

7.3

Recommended Operating Conditions ....................... 4

7.4

Thermal Information .................................................. 4

7.5

Electrical Characteristics........................................... 5

7.6

Timing Requirements ................................................ 6

7.7

Switching Characteristics .......................................... 6

7.8

Typical Characteristics .............................................. 7

8

Parameter Measurement Information .................. 9

9

Detailed Description ............................................ 10

9.1

Overview ................................................................. 10

9.2

Functional Block Diagram ....................................... 11

9.3

Feature Description................................................. 12

9.4

Device Functional Modes........................................ 13

10

Application and Implementation........................ 16

10.1

Application Information.......................................... 16

10.2

Typical Application ................................................ 18

11

Power Supply Recommendations ..................... 29

12

Layout................................................................... 30

12.1

Layout Guidelines ................................................. 30

12.2

Layout Example .................................................... 30

13

Device and Documentation Support ................. 31

13.1

Documentation Support ........................................ 31

13.2

Receiving Notification of Documentation Updates 31

13.3

Support Resources ............................................... 31

13.4

Trademarks ........................................................... 31

13.5

Electrostatic Discharge Caution ............................ 31

13.6

Glossary ................................................................ 31

14

Mechanical, Packaging, and Orderable

Information ........................................................... 31

4 Revision History

Changes from Revision A (March 2017) to Revision B

Page

•

Added last sentence: "When enable is a logic LOW while VCCB is powered on, the internal current source on B

side is still enabled...." to the Active-High Repeater Enable Input section........................................................................... 12

Changes from Original (March 2017) to Revision A

Page

•

Updated ICS typical values in Device Comparison Table........................................................................................................ 3