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LM3668 Datasheet(PDF) 2 Page - Texas Instruments

No. de pieza LM3668
Descripción Electrónicos  1-A, High-Efficiency Dual-Mode Single-Inductor Buck-Boost DC-DC Converter
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Fabricante Electrónico  TI [Texas Instruments]
Página de inicio  http://www.ti.com
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LM3668 Datasheet(HTML) 2 Page - Texas Instruments

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LM3668
SNVS449O – JUNE 2007 – REVISED APRIL 2015
www.ti.com
Table of Contents
8.3
Feature Description................................................. 14
1
Features .................................................................. 1
8.4
Device Functional Modes........................................ 16
2
Applications ........................................................... 1
9
Application and Implementation ........................ 19
3
Description ............................................................. 1
9.1
Application Information............................................ 19
4
Revision History..................................................... 2
9.2
Typical Application .................................................. 19
5
Device Comparison Table..................................... 3
10
Power Supply Recommendations ..................... 23
6
Pin Configuration and Functions ......................... 3
11
Layout................................................................... 23
7
Specifications......................................................... 4
11.1
Layout Guidelines ................................................. 23
7.1
Absolute Maximum Ratings ...................................... 4
11.2
Layout Example .................................................... 23
7.2
ESD Ratings.............................................................. 4
12
Device and Documentation Support ................. 24
7.3
Recommended Operating Conditions ....................... 4
12.1
Device Support...................................................... 24
7.4
Thermal Information .................................................. 5
12.2
Trademarks ........................................................... 24
7.5
Electrical Characteristics........................................... 5
12.3
Electrostatic Discharge Caution ............................ 24
7.6
Typical Characteristics .............................................. 6
12.4
Glossary ................................................................ 24
8
Detailed Description ............................................ 13
13
Mechanical, Packaging, and Orderable
8.1
Overview ................................................................. 13
Information ........................................................... 24
8.2
Functional Block Diagram ....................................... 14
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision N (August 2014) to Revision O
Page
Changed RθJA value from 34 to 47.3; change 20 PINS to 12 PINS in header; add additional thermal information............... 5
Changes from Revision M (May 2013) to Revision N
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
Changes from Revision L (April 2013) to Revision M
Page
Changed layout of National Data Sheet to TI format ........................................................................................................... 23
2
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Product Folder Links: LM3668


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