Table of Contents

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

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

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

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

5 Pin Configurations and Functions.................................3

6 Specifications.................................................................. 4

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

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

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

6.4 Thermal Information....................................................5

6.5 Electrical Characteristics - LM2902B-Q1 and

LM2902BA-Q1...............................................................6

6.6 Electrical Characteristics: LM2902-Q1,

LM2902KV-Q1, LM2902KAV-Q1................................... 8

6.7 Operating Conditions: LM2902-Q1, LM2902KV-

Q1, LM2902KAV-Q1......................................................9

6.8 Typical Characteristics.............................................. 10

7 Parameter Measurement Information.......................... 16

8 Detailed Description......................................................17

8.1 Overview................................................................... 17

8.2 Functional Block Diagram......................................... 17

8.3 Feature Description...................................................17

8.4 Device Functional Modes..........................................18

9 Application and Implementation.................................. 19

9.1 Application Information............................................. 19

9.2 Typical Application.................................................... 19

9.3 Design Requirements............................................... 19

9.4 Detailed Design Procedure....................................... 19

9.5 Application Curve......................................................20

10 Power Supply Recommendations..............................21

11 Layout........................................................................... 22

11.1 Layout Guidelines................................................... 22

11.2 Layout Example...................................................... 22

12 Device and Documentation Support..........................23

12.1 Documentation Support.......................................... 23

12.2 Receiving Notification of Documentation Updates..23

12.3 Support Resources................................................. 23

12.4 Trademarks.............................................................23

12.5 Electrostatic Discharge Caution..............................23

12.6 Glossary..................................................................23

13 Mechanical, Packaging, and Orderable

Information.................................................................... 24

4 Revision History

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

Changes from Revision F (May 2022) to Revision G (February 2023)

Page

• Deleted the Preview note for the LM2902B-Q1 TSSOP-14 package in the Device Information table............... 1

• Changed the LM2902B-Q1 values in the Thermal Information section.............................................................. 5

• Added Typical Characteristics curves for LM2902B-Q1 and LM2902BA-Q1................................................... 10

Changes from Revision E (April 2008) to Revision F (May 2022)

Page

• Changed the name of the data sheet................................................................................................................. 1

• Revised Features section to include LM2902B-Q1 and LM2902BA-Q1.............................................................1

• Added Applications section ................................................................................................................................1

• Added LM2902B-Q1 and LM2902BA-Q1 to the Device Information table......................................................... 1

• Added LM2902B-Q1 and LM2902BA-Q1 to the Description section..................................................................1

• Updated Pin Configurations and Functions section to include Pin Functions table............................................3

• Added LM2902B-Q1 and LM2902BA-Q1 to the Absolute Maximum Ratings table............................................4

• Added ESD Ratings table with LM2902B-Q1 and LM2902BA-Q1..................................................................... 4

• Added LM2902B-Q1 and LM2902B-Q1 to Recommended Operating Conditions section................................. 4

• Added LM2902B-Q1 and LM2902BA-Q1 to Thermal Information section..........................................................5

• Added Overview section to the data sheet....................................................................................................... 17

• Added Feature Description section...................................................................................................................17

• Added Input Common Mode Range section to Feature Description section.................................................... 17

• Added Device Functional Modes information for LM2902B-Q1 and LM2902BA-Q1........................................18

• Added Application and Implementation section for LM2902B-Q1 and LM2902BA-Q1.................................... 19

• Added Application Information section for LM2902B-Q1 and LM2902BA-Q1.................................................. 19

• Added Typical Application section for LM2902B-Q1 and LM2902BA-Q1.........................................................19

• Added Power Supply Recommendations section to data sheet....................................................................... 21

• Added Layout section to data sheet................................................................................................................. 22

• Added Device and Documentation Support section to data sheet................................................................... 23

• Added Mechanical, Packaging, and Orderable Information section to data sheet........................................... 24

LM2902-Q1, LM2902B-Q1, LM2902BA-Q1

SGLS178G – AUGUST 2003 – REVISED FEBRUARY 2023

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