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LM3648 датащи(PDF) 2 Page - Texas Instruments |
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LM3648 датащи(HTML) 2 Page - Texas Instruments |
2 / 38 page LM3648, LM3648TT SNVSA68B – OCTOBER 2014 – REVISED SEPTEMBER 2015 www.ti.com Table of Contents 7.4 Device Functioning Modes...................................... 13 1 Features .................................................................. 1 7.5 Programming........................................................... 16 2 Applications ........................................................... 1 7.6 Register Descriptions .............................................. 18 3 Description ............................................................. 1 8 Applications and Implementation ...................... 22 4 Revision History..................................................... 2 8.1 Application Information............................................ 22 5 Pin Configuration and Functions ......................... 3 8.2 Typical Application ................................................. 22 6 Specifications......................................................... 4 9 Power Supply Recommendations ...................... 27 6.1 Absolute Maximum Ratings ...................................... 4 10 Layout................................................................... 27 6.2 ESD Ratings.............................................................. 4 10.1 Layout Guidelines ................................................. 27 6.3 Recommended Operating Conditions ....................... 4 10.2 Layout Example ................................................... 28 6.4 Thermal Information .................................................. 4 11 Device and Documentation Support ................. 29 6.5 Electrical Characteristics........................................... 5 11.1 Device Support...................................................... 29 6.6 Timing Requirements ............................................... 5 11.2 Documentation Support ........................................ 29 6.7 Switching Characteristics .......................................... 6 11.3 Trademarks ........................................................... 29 6.8 Typical Characteristics .............................................. 6 11.4 Community Resources.......................................... 29 7 Detailed Description ............................................ 10 11.5 Electrostatic Discharge Caution ............................ 29 7.1 Overview ................................................................. 10 11.6 Glossary ................................................................ 29 7.2 Functional Block Diagram ...................................... 11 12 Mechanical, Packaging, and Orderable 7.3 Feature Description ................................................ 11 Information ........................................................... 30 4 Revision History NOTE: Page numbers for previous revisions may differ from page numbers in the current version. Changes from Revision A (August 2015) to Revision B Page • Added "or 0x04 for LM3648TT" to Device ID Register row, Register Descriptions table..................................................... 18 • Changed "'011'" to "'000'" in Device Register Bits 5-3 description ....................................................................................... 21 Changes from Original (October 2014) to Revision A Page • Added Torch Currents up to 500 mA (LM3648TT)................................................................................................................. 1 • Added Flash Timeout Values up to 1.6 seconds (LM3648TT) .............................................................................................. 1 • Changed Handling Ratings to ESD Ratings; moved storage temperature to Abs Max ......................................................... 4 • Added ILED row for LM3648TT option .................................................................................................................................... 5 • Added VHR row for LM3648TT option .................................................................................................................................... 5 • Added several new graphs related to LM3648TT option performance ................................................................................. 5 • Added to 1.6 s on LM3648TT in Flash Time-Out ................................................................................................................. 15 • Added additional equation and LM3648TT values in LED Torch Brightness Register; added NOTE below LED Torch Brightness Register description ........................................................................................................................................... 19 • Added LM3648TT values for Timing Configuration Register; added NOTE below Timing Configuration Register description ........................................................................................................................................................................... 20 • Added "or '100'" for LM3648TT in Device ID Register Bits 2-0 description ......................................................................... 21 • Added Application curves for LM3648TT performance ....................................................................................................... 24 2 Submit Documentation Feedback Copyright © 2014–2015, Texas Instruments Incorporated Product Folder Links: LM3648 LM3648TT |
Аналогичный номер детали - LM3648 |
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Аналогичное описание - LM3648 |
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