TL431CDBVT datasheet(2/79 Pages) TI

2 / 79 page

Table of Contents

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

2 Applications..................................................................... 1

3 Description.......................................................................1

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

5 Pin Configuration and Functions...................................4

6 Specifications.................................................................. 5

6.1 Absolute Maximum Ratings........................................ 5

6.2 ESD Ratings............................................................... 5

6.3 Thermal Information....................................................5

6.4 Recommended Operating Conditions.........................5

6.5 Electrical Characteristics, TL431C, TL432C............... 6

6.6 Electrical Characteristics, TL431I, TL432I.................. 7

6.7 Electrical Characteristics, TL431Q, TL432Q...............8

6.8 Electrical Characteristics, TL431AC, TL432AC.......... 9

6.9 Electrical Characteristics, TL431AI, TL432AI........... 10

6.10 Electrical Characteristics, TL431AQ, TL432AQ...... 11

6.11 Electrical Characteristics, TL431BC, TL432BC...... 12

6.12 Electrical Characteristics, TL431BI, TL432BI......... 13

6.13 Electrical Characteristics, TL431BQ, TL432BQ......14

6.14 Typical Characteristics............................................ 15

7 Parameter Measurement Information.......................... 19

7.1 Temperature Coefficient............................................19

7.2 Dynamic Impedance................................................. 20

8 Detailed Description......................................................21

8.1 Overview................................................................... 21

8.2 Functional Block Diagram......................................... 21

8.3 Feature Description...................................................22

8.4 Device Functional Modes..........................................22

9 Applications and Implementation................................ 23

9.1 Application Information............................................. 23

9.2 Typical Applications.................................................. 23

9.3 System Examples..................................................... 28

9.4 Power Supply Recommendations.............................31

9.5 Layout....................................................................... 31

10 Device and Documentation Support..........................32

10.1 Device Nomenclature..............................................32

10.2 Related Links.......................................................... 32

10.3 Receiving Notification of Documentation Updates..32

10.4 Support Resources................................................. 32

10.5 Trademarks.............................................................32

10.6 Electrostatic Discharge Caution..............................33

10.7 Glossary..................................................................33

11 Revision History.......................................................... 33

12 Mechanical, Packaging, and Orderable

Information.................................................................... 33

TL431, TL432

SLVS543S – AUGUST 2004 – REVISED MAY 2024

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