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LM117, LM317-N

SNVS774Q – MAY 2004 – REVISED JUNE 2020

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Product Folder Links: LM117 LM317-N

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Copyright © 2004–2020, Texas Instruments Incorporated

Table of Contents

1

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

2

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

3

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

4

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

5

Device Comparison Table..................................... 3

6

Pin Configuration and Functions ......................... 4

7

Specifications......................................................... 6

7.1

Absolute Maximum Ratings ...................................... 6

7.2

ESD Ratings.............................................................. 6

7.3

Recommended Operating Conditions ....................... 6

7.4

Thermal Information, LM117 ..................................... 6

7.5

Thermal Information, LM317-N ................................. 7

7.6

LM117 Electrical Characteristics............................... 7

7.7

LM317-N Electrical Characteristics ........................... 8

7.8

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

8

Detailed Description ............................................ 12

8.1

Overview ................................................................. 12

8.2

Functional Block Diagram ....................................... 13

8.3

Feature Description................................................. 14

8.4

Device Functional Modes........................................ 14

9

Application and Implementation ........................ 16

9.1

Application Information............................................ 16

9.2

Typical Applications ................................................ 16

10

Power Supply Recommendations ..................... 28

11

Layout................................................................... 28

11.1

Layout Guidelines ................................................. 28

11.2

Layout Examples................................................... 34

12

Device and Documentation Support ................. 36

12.1

Documentation Support ........................................ 36

12.2

Related Links ........................................................ 36

12.3

Receiving Notification of Documentation Updates 36

12.4

Support Resources ............................................... 36

12.5

Trademarks ........................................................... 36

12.6

Electrostatic Discharge Caution ............................ 36

12.7

Glossary ................................................................ 36

13

Mechanical, Packaging, and Orderable

Information ........................................................... 37

4 Revision History

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

Changes from Revision P (October 2015) to Revision Q

Page

•

Added alternative device Features bullet ............................................................................................................................... 1

•

Changed Applications section ............................................................................................................................................... 1

•

Changed Device Comparison Table ...................................................................................................................................... 3

•

Changed Related Documentation section ............................................................................................................................ 36

Changes from Revision O (January 2014) to Revision P

Page

•

Added, updated, or renamed the following sections: Description; Pin Configuration and Functions; Specifications;

ESD Ratings table; Application and Implementation; Power Supply Recommendations; Layout; Mechanical,

Packaging, and Ordering Information .................................................................................................................................... 1

•

Removed information regarding LM317A, formerly part of this data sheet. LM317A can now be found in the TI

catalog under literature number SNVSAC2 ........................................................................................................................... 1

Changes from Revision N (August 2013) to Revision O

Page

•

Deleted MDT Package (over Full Operating Temperature Range) ....................................................................................... 8

•

Changed Current Limit MIN from 0.112 to 0.15 and TYP from 0.3 to 0.4 for (VIN – VOUT) = 40 V in the LM317A

and LM317-N Electrical Characteristics Section .................................................................................................................... 8

•

Deleted MDT Package ........................................................................................................................................................... 8