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TPS2490, TPS2491

SLVS503E – NOVEMBER 2003 – REVISED FEBRUARY 2017

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Product Folder Links: TPS2490 TPS2491

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Copyright © 2003–2017, Texas Instruments Incorporated

Table of Contents

1

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

2

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

3

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

4

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

5

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

6

Specifications......................................................... 5

6.1

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

6.2

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

6.3

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

6.4

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

6.5

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

6.6

Switching Characteristics .......................................... 7

6.7

Typical Characteristics .............................................. 8

7

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

7.1

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

7.2

Functional Block Diagram ....................................... 10

7.3

Feature Description................................................. 11

7.4

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

8

Application and Implementation ........................ 17

8.1

Application Information............................................ 17

8.2

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

9

Power Supply Recommendations ...................... 26

10

Layout................................................................... 26

10.1

Layout Guidelines ................................................. 26

10.2

Layout Example .................................................... 27

11

Device and Documentation Support ................. 28

11.1

Development Support ........................................... 28

11.2

Documentation Support ........................................ 28

11.3

Related Links ........................................................ 28

11.4

Receiving Notification of Documentation Updates 28

11.5

Community Resources.......................................... 28

11.6

Trademarks ........................................................... 28

11.7

Electrostatic Discharge Caution ............................ 28

11.8

Glossary ................................................................ 28

12

Mechanical, Packaging, and Orderable

Information ........................................................... 29

4 Revision History

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

Changes from Revision D (July 2012) to Revision E

Page

•

Added ESD Ratings table, Thermal Information table, Feature Description section, Device Functional Modes,

Application and Implementation section, Power Supply Recommendations section, Layout section, Device and

Documentation Support section, and Mechanical, Packaging, and Orderable Information section ..................................... 1

Changes from Revision C (September 2011) to Revision D

Page

•

Added Operating voltage range to the RECOMMENDED OPERATING CONDITIONS table............................................... 5

•

Changes from Revision B (March 2010) to Revision C

Page

•

Changes from Revision A (March 2010) to Revision B

Page

•

Added Feature: Calculator Tool Available (SLVC033) ........................................................................................................... 1

•

Added the Gate Capacitor (dV/dt) Control section: Revised text and Equation 5................................................................ 17