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LM2940SX-12 데이터시트(PDF) 2 Page - Texas Instruments |
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LM2940SX-12 데이터시트(HTML) 2 Page - Texas Instruments |
2 / 37 page LM2940-N, LM2940C SNVS769J – MARCH 2000 – REVISED DECEMBER 2014 www.ti.com Table of Contents 7.3 Feature Description................................................. 13 1 Features .................................................................. 1 7.4 Device Functional Modes........................................ 14 2 Applications ........................................................... 1 8 Application and Implementation ........................ 15 3 Description ............................................................. 1 8.1 Application Information............................................ 15 4 Revision History..................................................... 2 8.2 Typical Application .................................................. 15 5 Pin Configuration and Functions ......................... 3 9 Power Supply Recommendations ...................... 17 6 Specifications......................................................... 4 10 Layout................................................................... 17 6.1 Absolute Maximum Ratings ...................................... 4 10.1 Layout Guidelines ................................................. 17 6.2 ESD Ratings.............................................................. 4 10.2 Layout Examples................................................... 17 6.3 Recommended Operating Conditions ....................... 4 10.3 Heatsinking ........................................................... 18 6.4 Thermal Information .................................................. 5 11 Device and Documentation Support ................. 20 6.5 Electrical Characteristics (5 V and 8 V) .................... 5 11.1 Documentation Support ........................................ 20 6.6 Electrical Characteristics (9 V and 10 V) .................. 6 11.2 Related Links ........................................................ 20 6.7 Electrical Characteristics (12 V and 15 V) ................ 7 11.3 Trademarks ........................................................... 20 6.8 Typical Characteristics .............................................. 8 11.4 Electrostatic Discharge Caution ............................ 20 7 Detailed Description ............................................ 13 11.5 Glossary ................................................................ 20 7.1 Overview ................................................................. 13 12 Mechanical, Packaging, and Orderable 7.2 Functional Block Diagram ....................................... 13 Information ........................................................... 20 4 Revision History NOTE: Page numbers for previous revisions may differ from page numbers in the current version. Changes from Revision I (April 2013) to Revision J Page • Added Pin Configuration and Functions section, ESD 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 information re: obsolete CDIP and CLGA package options ; Change pin names from Vin, Vout to IN, OUT; delete Heatsinking sections re: packages apart from TO-220 ............................................................................................... 1 • Changed symbols for Thermal Information ......................................................................................................................... 19 Changes from Revision H (April 2013) to Revision I Page 2 Submit Documentation Feedback Copyright © 2000–2014, Texas Instruments Incorporated Product Folder Links: LM2940-N LM2940C |
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