LM57

SNIS152E – MAY 2009 – REVISED JULY 2015

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Table of Contents

8.1

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

1

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

8.2

Functional Block Diagram ....................................... 12

2

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

8.3

Feature Description................................................. 13

3

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

8.4

Device Functional Modes........................................ 23

4

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

9

Application and Implementation ........................ 26

5

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

9.1

Application Information............................................ 26

6

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

9.2

Typical Application .................................................. 26

7

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

10

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

7.1

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

11

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

7.2

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

11.1

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

7.3

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

11.2

Layout Example .................................................... 29

7.4

Thermal Information .................................................. 6

11.3

Temperature Considerations................................. 30

7.5

Electrical Characteristics - Accuracy Characteristics –

12

Device and Documentation Support ................. 31

Trip Point Accuracy.................................................... 7

12.1

Documentation Support ....................................... 31

7.6

Electrical Characteristics - Accuracy Characteristics –

12.2

Community Resources.......................................... 31

Accuracy .................................................................... 7

12.3

Trademarks ........................................................... 31

7.7

Electrical Characteristics........................................... 8

12.4

Electrostatic Discharge Caution ............................ 31

7.8

Switching Characteristics .......................................... 9

12.5

Glossary ................................................................ 31

7.9

Typical Characteristics ........................................... 10

13

Mechanical, Packaging, and Orderable

8

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

Information ........................................................... 31

4 Revision History

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

Changes from Revision D (February 2013) to Revision E

Page

•

Added Pin Configuration and Functions section, ESD Ratings 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

•

Added TSSOP Package option throughout data sheet .......................................................................................................... 1

Changes from Revision C (February 2010) to Revision D

Page

•

Changed layout of National Data Sheet to TI format ............................................................................................................. 1

2

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