LP38691-ADJ_16 Datasheet, PDF (2/27 Pages) Texas Instruments – 500-mA Low-Dropout CMOS Linear Regulators Stable

LP38691-ADJ, LP38693-ADJ, LP38691-ADJ-Q1, LP38693-ADJ-Q1
SNVS324K – JANUARY 2005 – REVISED JANUARY 2016
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: LP38691-ADJ, LP38693-ADJ............. 4
6.3 ESD Ratings: LP38691-ADJ-Q1, LP38693-ADJ-Q1. 4
6.4 Recommended Operating Conditions....................... 4
6.5 Thermal Information .................................................. 4
6.6 Electrical Characteristics........................................... 5
6.7 Typical Characteristics .............................................. 6
7 Detailed Description ............................................ 11
7.1 Overview ................................................................. 11
7.2 Functional Block Diagrams ..................................... 11
7.3 Feature Description................................................. 12
7.4 Device Functional Modes........................................ 12
8 Application and Implementation ........................ 13
8.1 Application Information............................................ 13
8.2 Typical Applications ............................................... 13
9 Power Supply Recommendations...................... 18
10 Layout................................................................... 18
10.1 Layout Guidelines ................................................. 18
10.2 Layout Examples................................................... 18
10.3 WSON Mounting ................................................... 19
11 Device and Documentation Support ................. 20
11.1 Documentation Support ........................................ 20
11.2 Related Links ........................................................ 20
11.3 Community Resources.......................................... 20
11.4 Trademarks ........................................................... 20
11.5 Electrostatic Discharge Caution ............................ 20
11.6 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 J (October 2015) to Revision K
Page
• Added Caution note to Foldback Current Limiting subsection ............................................................................................ 12
Changes from Revision I (April 2013) to Revision J
Page
• Added Device Information and Pin Configuration and Functions sections, ESD Ratings table, update Thermal
Values; add Feature Description, Device Functional Modes, Application and Implementation, Power Supply
Recommendations, Layout, Device and Documentation Support, and Mechanical, Packaging, and Orderable
Information sections; update Vin, Vout and Ven pin names to IN, OUT, and EN in text and graphics; modified
wording of Description to eliminate redundancy; added top nav icon for reference design................................................... 1
Changes from Revision H (April 2013) to Revision I
Page
• Changed layout of National Data Sheet to TI format ........................................................................................................... 15
• Changed layout of National Data Sheet to TI format .......................................................................................................... 19
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