2

LMT85

SNIS168E – MARCH 2013 – REVISED OCTOBER 2017

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Copyright © 2013–2017, Texas Instruments Incorporated

Table of Contents

1

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

2

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

3

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

4

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

5

Device Comparison Tables................................... 3

6

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

7

Specifications......................................................... 5

7.1

Absolute Maximum Ratings ..................................... 5

7.2

ESD Ratings.............................................................. 5

7.3

Recommended Operating Conditions ....................... 5

7.4

Thermal Information .................................................. 5

7.5

Accuracy Characteristics........................................... 6

7.6

Electrical Characteristics .......................................... 6

7.7

Typical Characteristics ............................................. 7

8

Detailed Description .............................................. 9

8.1

Overview ................................................................... 9

8.2

Functional Block Diagram ......................................... 9

8.3

Feature Description................................................... 9

8.4

Device Functional Modes........................................ 11

9

Application and Implementation ........................ 13

9.1

Application Information............................................ 13

9.2

Typical Applications ................................................ 13

10

Power Supply Recommendations ..................... 14

11

Layout................................................................... 15

11.1

Layout Guidelines ................................................. 15

11.2

Layout Example .................................................... 15

12

Device and Documentation Support ................. 16

12.1

Receiving Notification of Documentation Updates 16

12.2

Community Resources.......................................... 16

12.3

Trademarks ........................................................... 16

12.4

Electrostatic Discharge Caution ............................ 16

12.5

Glossary ................................................................ 16

13

Mechanical, Packaging, and Orderable

Information ........................................................... 16

4 Revision History

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

Changes from Revision D (June 2017) to Revision E

Page

•

Moved the automotive device to a standalone data sheet (SNIS200) .................................................................................. 1

•

Changed TO-92 GND pin number from: 1 to: 3 .................................................................................................................... 4

•

Changed TO-92 VDD pin number from: 3 to: 1 ...................................................................................................................... 4

Changes from Revision C (October 2015) to Revision D

Page

•

Updated data sheet text to the latest documentation and translations standards ................................................................. 1

•

Added AEC-Q100 automotive qualification bullets to Features ............................................................................................. 1

•

Added Time Constant graph................................................................................................................................................... 1

•

Removed disk drivers, games, wireless transceivers, and cell phones from Applications..................................................... 1

•

Added LPG (TO-92S) package .............................................................................................................................................. 4

•

Added Figure 10 to Typical Characteristics............................................................................................................................ 7

Changes from Revision B (May 2014) to Revision C

Page

•

Deleted all mentions of TO-126 package .............................................................................................................................. 1

•

Added TO-92 LPM pin configuration graphic ......................................................................................................................... 4

•

Changed Handling Ratings to ESD Ratings and moved Storage Temperature to Absolute Maximum Ratings table........... 5

•

Changed KV to V ................................................................................................................................................................... 5

•

Added TO-92 LP and LPM layout recommendations........................................................................................................... 15

Changes from Revision A (June 2013) to Revision B

Page

•

Changed data sheet flow and layout to conform with new TI standards. Added the following sections: Application

and Implementation, Power Supply Recommendations, Layout, Device and Documentation Support, Mechanical,

Packaging, and Orderable Information. ................................................................................................................................. 1

•

Added TO-92 and TO-126 package information throughout document. ................................................................................ 1