LP3871_15 Datasheet, PDF (2/26 Pages) Texas Instruments – LP387x 0.8-A Fast Ultra-Low-Dropout Linear Regulators

LP3871, LP3874
SNVS225H – FEBRUARY 2003 – REVISED JUNE 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 .............................................. 8
7.1 Overview ................................................................... 8
7.2 Functional Block Diagrams ....................................... 8
7.3 Feature Description................................................... 8
7.4 Device Functional Modes.......................................... 9
8 Application and Implementation ........................ 11
8.1 Application Information............................................ 11
8.2 Typical Applications ............................................... 11
9 Power Supply Recommendations...................... 16
9.1 Power Dissipation .................................................. 16
10 Layout................................................................... 16
10.1 Layout Guidelines ................................................. 16
10.2 Layout Examples................................................... 16
11 Device and Documentation Support ................. 17
11.1 Related Links ........................................................ 17
11.2 Community Resources.......................................... 17
11.3 Trademarks ........................................................... 17
11.4 Electrostatic Discharge Caution ............................ 17
11.5 Glossary ................................................................ 17
12 Mechanical, Packaging, and Orderable
Information ........................................................... 17
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision G (April 2013) to Revision H
Page
• Added Pin Configuration and Functions section, ESD Rating table, Feature Description , Device Functional Modes,
Application and Implementation, Power Supply Recommendations, Layout, Device and Documentation Support ,
and Mechanical, Packaging, and Orderable Information sections; conform pin names in graphics to TI nomenclature....... 1
• Deleted Lead temperature row - information in POA ............................................................................................................ 4
• Deleted Heatsinking subsections regarding specific packages as specs have been updated (see Thermal
Information). ......................................................................................................................................................................... 16
• Changed layout examples to eliminate obsolete thermal-value references ........................................................................ 16
Changes from Revision F (April 2013) to Revision G
Page
• Changed layout of National Data Sheet to TI format ........................................................................................................... 16
2
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