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LM5160A, LM5160

SNVSA03C – OCTOBER 2014 – REVISED AUGUST 2016

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Product Folder Links: LM5160A LM5160

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Copyright © 2014–2016, Texas Instruments Incorporated

Table of Contents

1

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

2

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

3

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

4

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

5

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

6

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

6.1

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

6.2

ESD Ratings: LM5160A, LM5160 ............................ 5

6.3

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

6.4

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

6.5

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

6.6

Switching Characteristics ......................................... 7

6.7

Typical Characteristics ............................................. 8

7

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

7.1

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

7.2

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

7.3

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

7.4

Device Functional Modes ....................................... 15

8

Applications and Implementation ...................... 16

8.1

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

8.2

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

8.3

Do's and Don'ts ...................................................... 25

9

Power Supply Recommendations ...................... 25

10

Layout................................................................... 26

10.1

Layout Guidelines ................................................ 26

10.2

Layout Example ................................................... 26

11

Device and Documentation Support ................. 27

11.1

Related Documentation ....................................... 27

11.2

Related Links ........................................................ 27

11.3

Receiving Notification of Documentation Updates 27

11.4

Community Resources.......................................... 27

11.5

Trademarks ........................................................... 27

11.6

Electrostatic Discharge Caution ............................ 27

11.7

Glossary ................................................................ 27

12

Mechanical, Packaging, and Orderable

Information ........................................................... 27

4

Revision History

Changes from Revision B (July 2015) to Revision C

Page

•

Changed full load rating in title from 1.5-A to 2-A .................................................................................................................. 1

•

Changed full load rating from 1.5-A to 2-A ............................................................................................................................ 1

•

Changed full load rating from 1.5-A to 2-A ............................................................................................................................ 1

•

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

•

Changed recommended output current rating from 1.5-A to 2-A ........................................................................................... 5

•

Changed full load rating from 1.5 A to 2 A ........................................................................................................................... 11

•

Deleted 'maximum' from the sentence ................................................................................................................................ 16

•

Deleted 'maximum' from the sentence ................................................................................................................................ 17

•

Deleted 'maximum' from the sentence ................................................................................................................................ 18

•

Changed equation for the required primary output voltage ................................................................................................. 22

•

Changed equation to add the isolated output voltage detail ................................................................................................ 22

•

Changed minimum ripple injection equation......................................................................................................................... 25

•

Changed Full Load Rating from 1.5 A to 2-A ....................................................................................................................... 25

Changes from Revision A (January 2015) to Revision B

Page

•

Changed the input capacitor calculation equation................................................................................................................ 19

Changes from Original (October 2014) to Revision A

Page

•

Added Family to data sheet ................................................................................................................................................... 1

•

Added 'A' to part number in graphic ...................................................................................................................................... 1

•

Changed Handling Ratings to ESD Ratings .......................................................................................................................... 5

•

Added Ext VCC recommended operating data for LM5160A ............................................................................................... 5

•

Added conditions for LM5160A .............................................................................................................................................. 6

•

Added conditions for LM5160A .............................................................................................................................................. 7