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LMP2021, LMP2022

SNOSAY9G – SEPTEMBER 2008 – REVISED FEBRUARY 2016

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Product Folder Links: LMP2021 LMP2022

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Copyright © 2008–2016, Texas Instruments Incorporated

Table of Contents

1

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

2

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

3

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

4

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

5

Pin Configuration and Functions SC-70 and

VSSOP references from LMP2021 pinout

descriptions............................................................ 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 .................................................. 4

6.5

Electrical Characteristics: 2.5 V ................................ 5

6.6

Electrical Characteristics: 5 V ................................... 7

6.7

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

7

Detailed Description ............................................ 15

7.1

Overview ................................................................. 15

7.2

Functional Block Diagram ....................................... 15

7.3

Feature Description................................................. 15

7.4

Device Functional Modes........................................ 15

8

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

8.1

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

8.2

Typical Application .................................................. 23

9

Power Supply Recommendations ...................... 24

10

Layout................................................................... 24

10.1

Layout Guidelines ................................................. 24

10.2

Layout Example .................................................... 25

11

Device and Documentation Support ................. 26

11.1

Device Support .................................................... 26

11.2

Documentation Support ........................................ 26

11.3

Related Links ........................................................ 26

11.4

Trademarks ........................................................... 26

11.5

Electrostatic Discharge Caution ............................ 26

11.6

Glossary ................................................................ 26

12

Mechanical, Packaging, and Orderable

Information ........................................................... 27

4 Revision History

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

Changes from Revision F (December 2014) to Revision G

Page

•

Deleted SC-70 and VSSOP references from LMP2021 pinout descriptions ......................................................................... 3

•

Deleted DCK and DGK packages and corrected SOT-23 pin function table for LMP2021 .................................................. 3

Changes from Revision E (March 2013) to Revision F

Page

•

Added Pin Configuration and Functions section, ESD Ratings 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 D (March 2013) to Revision E

Page

•

Changed layout of National Data Sheet to TI format ........................................................................................................... 23