LM3423 datasheet(2/72 Pages) TI1

Numer części	LM3423

Szczegółowy opis	N-Channel Controllers for Constant-Current LED Drivers

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Producent	TI1 [Texas Instruments]

Strona internetowa	http://www.ti.com

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LM3421, LM3421-Q1, LM3423, LM3423-Q1

SNVS574F – JULY 2008 – REVISED JULY 2015

www.ti.com

Table of Contents

8.1

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

1

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

8.2

Typical Applications ................................................ 30

2

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

9

Power Supply Recommendations ...................... 63

3

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

9.1

General Recommendations .................................... 63

4

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

9.2

Input Supply Current Limit ...................................... 63

5

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

10

Layout................................................................... 63

6

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

10.1

Layout Guidelines ................................................. 63

6.1

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

10.2

Layout Example .................................................... 64

6.2

ESD Ratings: LM3421, LM3423 ............................... 5

11

Device and Documentation Support ................. 65

6.3

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

11.1

Device Support...................................................... 65

6.4

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

11.2

Related Links ........................................................ 65

6.5

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

11.3

Community Resources.......................................... 65

6.6

Typical Characteristics ............................................. 9

11.4

Trademarks ........................................................... 65

7

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

11.5

Electrostatic Discharge Caution ............................ 65

7.1

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

11.6

Glossary ................................................................ 65

7.2

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

12

Mechanical, Packaging, and Orderable

7.3

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

Information ........................................................... 65

8

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

4 Revision History

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

Changes from Revision E (April 2013) to Revision F

Page

•

Added 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

Changes from Revision D (May 2013) to Revision E

Page

•

Changed layout of National Data Sheet to TI format ........................................................................................................... 62

2

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Product Folder Links: LM3421 LM3421-Q1 LM3423 LM3423-Q1

Podobny numer części - LM3423

Producent	Numer części	Arkusz danych	Szczegółowy opis
National Semiconductor ...	LM3423	906Kb / 24P	N-Channel Controllers for Constant Current LED Drivers
	LM3423	1Mb / 48P	N-Channel Controllers for Constant Current LED Drivers
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National Semiconductor ...	LM3421	1Mb / 48P	N-Channel Controllers for Constant Current LED Drivers
	LM3421	881Kb / 24P	N-Channel Controllers for Constant Current LED Drivers
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