9 Revision History

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

Changes from Revision K (September 2023) to Revision L (November 2024)

Page

• Combined thermal table..................................................................................................................................... 5

• Removed outdated graphs................................................................................................................................. 8

• Updated Functional Block Diagram and text.................................................................................................... 14

Changes from Revision J (November 2020) to Revision K (September 2023)

Page

• Added link to application note...........................................................................................................................16

Changes from Revision I (August 2020) to Revision J (November 2020)

Page

• Corrected Family Comparison Table supply voltages for "B", "K" and "I" versions............................................ 1

Changes from Revision H (April 2020) to Revision I (August 2020)

Page

• Updated the numbering format for tables, figures, and cross-references throughout the document................. 1

• Added "B" device Typical Char graphs...............................................................................................................8

Changes from Revision G (January 2015) to Revision H (April 2020)

Page

• Added TL331B and TL391B tables and pinouts, Updated front page for new B devices for APL..................... 1

• Added Input current, IIK in Absolute Maximum Ratings .....................................................................................4

• Changed incorrect TL331 and TL331K Temp Ranges in Recommended Operating Conditions ...................... 5

• Changed text from: open-drain output to: open-collector output ..................................................................... 14

• Removed sentence: This is enables much head room for modern day supplies of 3.3V and 5.0V..................14

• Removed sentence: This is enables much head room for modern day supplies of 3.3V and 5.0V. ................14

• Changed Output Current specifications from: to: in Design Parameters .........................................................15

• Changed first paragraph of the Response Time section ................................................................................. 16

• Added Receiving Notification of Documentation Updates section and Community Resources section...........18

10 Mechanical, Packaging, and Orderable Information

The following pages include mechanical, packaging, and orderable information. This information is the most

current data available for the designated devices. This data is subject to change without notice and revision of

this document. For browser-based versions of this data sheet, refer to the left-hand navigation.

www.ti.com

TL331, TL331B, TL391B

SLVS238L – AUGUST 1999 – REVISED NOVEMBER 2024

Copyright © 2024 Texas Instruments Incorporated

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Product Folder Links: TL331 TL331B TL391B