LP3961_15 Datasheet, PDF (2/31 Pages) Texas Instruments – LP396x 800-mA Fast Ultra-Low-Dropout Linear Regulators

LP3961, LP3964
SNVS056J – MAY 2000 – REVISED JUNE 2015
www.ti.com
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 .................................................. 4
6.5 Electrical Characteristics........................................... 5
6.6 Typical Characteristics ............................................. 7
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 ........................ 14
8.1 Application Information .......................................... 14
8.2 Typical Applications ................................................ 14
9 Power Supply Recommendations...................... 19
10 Layout................................................................... 19
10.1 Layout Guidelines ................................................. 19
10.2 Layout Example .................................................... 19
10.3 Heatsinking TO-220 Packages ............................. 20
11 Device and Documentation Support ................. 21
11.1 Related Links ........................................................ 21
11.2 Community Resources.......................................... 21
11.3 Trademarks ........................................................... 21
11.4 Electrostatic Discharge Caution ............................ 21
11.5 Glossary ................................................................ 21
12 Mechanical, Packaging, and Orderable
Information ........................................................... 21
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision I (December 2014) to Revision J
Page
• Changed pin names to conform to TI nomenclature (V_OUT to OUT, V_IN to IN)....................................................................... 1
• Changed "I" to "O" to correct I/O type for ERROR flag ......................................................................................................... 3
• Deleted Lead temperature row - info in POA ........................................................................................................................ 4
• Deleted heatsinking sections re TO-263 and SOT-223 packages; not consistent with updated thermal metrics .............. 20
Changes from Revision H (April 2013) to Revision I
Page
• Added Pin Configuration and Functions section, Handling Rating 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 G (April 2013) to Revision H
Page
2
Submit Documentation Feedback
Copyright © 2000–2015, Texas Instruments Incorporated
Product Folder Links: LP3961 LP3964