2

LP2985LV-N

SNOS510Q – NOVEMBER 1999 – REVISED OCTOBER 2016

www.ti.com

Product Folder Links: LP2985LV-N

Submit Documentation Feedback

Copyright © 1999–2016, Texas Instruments Incorporated

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 .................................................. 5

6.5

Electrical Characteristics........................................... 5

6.6

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

7

Detailed Description ............................................ 11

7.1

Overview ................................................................. 11

7.2

Functional Block Diagram ....................................... 11

7.3

Feature Description................................................. 12

7.4

Device Functional Modes........................................ 13

8

Application and Implementation ........................ 14

8.1

Application Information............................................ 14

8.2

Typical Application .................................................. 14

9

Power Supply Recommendations ...................... 22

10

Layout................................................................... 22

10.1

Layout Guidelines ................................................. 22

10.2

Layout Example .................................................... 22

10.3

DSBGA Mounting.................................................. 23

10.4

DSBGA Light Sensitivity ....................................... 23

11

Device and Documentation Support ................. 24

11.1

Documentation Support ........................................ 24

11.2

Community Resources.......................................... 24

11.3

Trademarks ........................................................... 24

11.4

Electrostatic Discharge Caution ............................ 24

11.5

Glossary ................................................................ 24

12

Mechanical, Packaging, and Orderable

Information ........................................................... 24

4 Revision History

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

Changes from Revision P (April 2013) to Revision Q

Page

•

Added Device Information and Pin Configuration and Functions sections, ESD Ratings and Thermal Information

tables, Feature Description, Device Functional Modes, Application and Implementation, Power Supply

Recommendations, Layout, Device and Documentation Support, and Mechanical, Packaging, and Orderable

Information sections; change pin names in text and app circuit drawing "VOUT" and "VIN" to "OUT" and "IN" .................. 1

•

Deleted lead temperature spec per new TI documentation guidelines ................................................................................. 4

•

Changed value of RθJA for the SOT-23 package is 220°C/W ..." to "...value of RθJA for the SOT-23 package is

175.7°C/W..." in footnote 3 to Abs Max table - see update thermal info for SOT-23 in Thermal Information; add RθJA

values to footnote 3 to Abs Max ............................................................................................................................................. 4

•

Added Power Dissipation and Estimating Junction Temperature subsections ................................................................... 19

Changes from Revision O (April 2013) to Revision P

Page

•

Changed layout of National Semiconductor data sheet to TI format .................................................................................... 1