Table of Contents

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

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

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

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

5 Specifications.................................................................. 4

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

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

5.3 ESD Ratings [IEC]...................................................... 4

5.4 Recommended Operating Conditions.........................5

5.5 Thermal Information....................................................5

5.6 Power Dissipation Characteristics.............................. 5

5.7 Electrical Characteristics.............................................6

5.8 Switching Characteristics (THVD1400).......................7

5.9 Switching Characteristics (THVD1420).......................7

5.10 Typical Characteristics.............................................. 9

6 Parameter Measurement Information.......................... 11

7 Detailed Description......................................................13

7.1 Overview................................................................... 13

7.2 Functional Block Diagrams....................................... 13

7.3 Feature Description...................................................13

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

8 Application Information Disclaimer............................. 15

8.1 Application Information............................................. 15

8.2 Typical Application.................................................... 15

9 Power Supply Recommendations................................19

10 Layout...........................................................................20

10.1 Layout Guidelines................................................... 20

10.2 Layout Example...................................................... 20

11 Device and Documentation Support..........................22

11.1 Device Support........................................................22

11.2 Receiving Notification of Documentation Updates.. 22

11.3 Support Resources................................................. 22

11.4 Trademarks............................................................. 22

11.5 Electrostatic Discharge Caution.............................. 22

11.6 Glossary.................................................................. 22

12 Mechanical, Packaging, and Orderable

Information.................................................................... 22

3 Revision History

NOTE: Page numbers for previous revisions may differ from page numbers in the current version.

Changes from Revision A (April 2021) to Revision B (October 2021)

Page

• Updated IEC ESD Contact rating from 8 kV to 12 kV in the Features section................................................... 1

• Changed HBM rating for non-bus pins from 1kV to 4kV in the ESD Ratings table ...........................................4

• Changed the IEC ESD contact rating for bus pins from 8kV to 12kV in the ESD Ratings [IEC] table................4

• Updated the VIH max specification for the logic input pins from VCC to 5.5 V in the Recommended Operating

Conditions table.................................................................................................................................................. 5

• Updated IEC ESD Contact rating from 8 kV to 12 kV in the Features Description section.............................. 13

• Updated IEC ESD Contact rating from 8 kV to 12 kV in the Transient Protection section................................17

Changes from Revision * (December 2020) to Revision A (April 2021)

Page

• Added Feature: See the layout example............................................................................................................ 1

• Deleted the Advanced Information note from THVD1420 in the Device Information table.................................1

• Added Figure 5-7, Figure 5-8 and Figure 5-9. ................................................................................................... 9

• Added test conditions for Figure 5-1, Figure 5-2, Figure 5-4 and Figure 5-5. ....................................................9

• Added Figure 10-2 ........................................................................................................................................... 20

THVD1400, THVD1420

SLLSF78B – DECEMBER 2020 – REVISED OCTOBER 2021

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