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LM3643A 数据表(PDF) 2 Page - Texas Instruments

部件名 LM3643A
功能描述  Synchronous Boost Dual LED Flash Driver with 1.5-A High-Side Current Sources
Download  39 Pages
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制造商  TI [Texas Instruments]
网页  http://www.ti.com
标志 TI - Texas Instruments

LM3643A 数据表(HTML) 2 Page - Texas Instruments

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LM3643, LM3643A
SNVS967A – AUGUST 2014 – REVISED NOVEMBER 2014
www.ti.com
Table of Contents
9.3
Feature Description ................................................ 12
1
Features .................................................................. 1
9.4
Device Functioning Modes...................................... 13
2
Applications ........................................................... 1
9.5
Programming........................................................... 17
3
Description ............................................................. 1
9.6
Register Descriptions .............................................. 19
4
Simplified Schematic............................................. 1
10
Applications and Implementation...................... 23
5
Revision History..................................................... 2
10.1
Application Information.......................................... 23
6
Device Comparison Table..................................... 2
10.2
Typical Application ............................................... 23
7
Pin Configuration and Functions ......................... 3
11
Power Supply Recommendations ..................... 29
8
Specifications......................................................... 4
12
Layout................................................................... 29
8.1
Absolute Maximum Ratings ...................................... 4
12.1
Layout Guidelines ................................................. 29
8.2
Handling Ratings ...................................................... 4
12.2
Layout Example ................................................... 30
8.3
Recommended Operating Conditions ....................... 4
13
Device and Documentation Support ................. 31
8.4
Thermal Information .................................................. 4
13.1
Device Support...................................................... 31
8.5
Electrical Characteristics........................................... 5
13.2
Related Documentation......................................... 31
8.6
Timing Requirements ............................................... 5
13.3
Trademarks ........................................................... 31
8.7
Switching Characteristics .......................................... 5
13.4
Electrostatic Discharge Caution ............................ 31
8.8
Typical Characteristics .............................................. 6
13.5
Glossary ................................................................ 31
9
Detailed Description ............................................ 10
14
Mechanical, Packaging, and Orderable
9.1
Overview ................................................................. 10
Information ........................................................... 31
9.2
Functional Block Diagram ...................................... 11
5 Revision History
Changes from Original (August 2014) to Revision A
Page
Added Information about LM3643A ....................................................................................................................................... 1
Changed 0x00 to 0x02 - typo ............................................................................................................................................... 19
Changed '011' to '000' - typo ................................................................................................................................................ 22
6 Device Comparison Table
ORDERING PART NUMBER
I2C ADDRESS
LM3643YFFR
0x63
LM3643AYFFR
0x67
2
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Copyright © 2014, Texas Instruments Incorporated
Product Folder Links: LM3643 LM3643A


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