LM22678, LM22678-Q1

SNVS585L – SEPTEMBER 2008 – REVISED NOVEMBER 2014

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Table of Contents

7.4

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

1

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

8

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

2

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

8.1

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

3

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

8.2

Typical Applications ................................................ 15

4

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

9

Power Supply Recommendations ...................... 18

5

Pin Configuration and Functions ......................... 3

10

Layout................................................................... 18

6

Specifications......................................................... 4

10.1

Layout Guidelines ................................................. 18

6.1

Absolute Maximum Ratings ...................................... 4

10.2

Layout Example .................................................... 19

6.2

Handling Ratings: LM22678...................................... 4

10.3

Thermal Considerations ........................................ 19

6.3

Handling Ratings: LM22678-Q1................................ 4

11

Device and Documentation Support ................. 20

6.4

Recommended Operating Conditions ....................... 4

11.1

Documentation Support ........................................ 20

6.5

Thermal Information .................................................. 4

11.2

Related Links ........................................................ 20

6.6

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

11.3

Trademarks ........................................................... 20

6.7

Typical Characteristics .............................................. 6

11.4

Electrostatic Discharge Caution ............................ 20

7

Detailed Description .............................................. 8

11.5

Glossary ................................................................ 20

7.1

Overview ................................................................... 8

12

Mechanical, Packaging, and Orderable

7.2

Functional Block Diagram ......................................... 8

Information ........................................................... 20

7.3

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

4 Revision History

Changes from Revision K (March 2013) to Revision L

Page

•

Added Pin Configuration and Functions section, Handling Rating 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

•

Deleted Inverting Regulator Application ............................................................................................................................... 14

2

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