LP2981-N_15_15 Datasheet, PDF (2/29 Pages) Texas Instruments – LP2981-N Micropower 100-mA Ultra-Low Dropout Regulator in SOT-23 Package

LP2981-N
SNOS773M – MARCH 2000 – REVISED SEPTEMBER 2015
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Pin Configuration 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 .................................................. 4
6.5 Electrical Characteristics........................................... 5
6.6 Typical Characteristics .............................................. 7
7 Detailed Description ............................................ 13
7.1 Overview ................................................................. 13
7.2 Functional Block Diagram ....................................... 13
7.3 Feature Description................................................. 13
7.4 Device Functional Modes........................................ 14
8 Application and Implementation ........................ 15
8.1 Application Information............................................ 15
8.2 Typical Application ................................................. 15
9 Power Supply Recommendations...................... 19
10 Layout................................................................... 19
10.1 Layout Guidelines ................................................. 19
10.2 Layout Example .................................................... 19
11 Device and Documentation Support ................. 20
11.1 Third-Party Products Disclaimer ........................... 20
11.2 Community Resources.......................................... 20
11.3 Trademarks ........................................................... 20
11.4 Electrostatic Discharge Caution ............................ 20
11.5 Glossary ................................................................ 20
12 Mechanical, Packaging, and Orderable
Information ........................................................... 20
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision L (June 2015) to Revision M
Page
• Changed split out ESD values by specific pins ..................................................................................................................... 4
• Changed correct junction-to-case and junction-to-board values (typo from last format update) .......................................... 4
Changes from Revision K (April 2013) to Revision L
Page
• Changed "Nine" to "Assorted" ................................................................................................................................................ 1
• 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
• Changed text of NC pin description ....................................................................................................................................... 3
• Changed thermal value in footnote 3 .................................................................................................................................... 4
• Changed thermal values to TI measure ................................................................................................................................ 4
Changes from Revision J (January 2009) to Revision K
Page
• Changed layout of National Data Sheet to TI format ........................................................................................................... 18
2
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