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TPS25940LRVCR データシート(PDF) 2 Page - Texas Instruments |
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TPS25940LRVCR データシート(HTML) 2 Page - Texas Instruments |
2 / 47 page TPS25940A, TPS25940L SLVSCF3A – JUNE 2014 – REVISED MARCH 2015 www.ti.com Table of Contents 9.3 Feature Description................................................. 18 1 Features .................................................................. 1 9.4 Device Functional Modes........................................ 22 2 Applications ........................................................... 1 10 Application and Implementation........................ 24 3 Description ............................................................. 1 10.1 Application Information.......................................... 24 4 Simplified Schematic............................................. 1 10.2 Typical Application ................................................ 24 5 Revision History..................................................... 2 10.3 System Examples ................................................. 32 6 Pin Configuration and Functions ......................... 3 11 Power Supply Recommendations ..................... 35 7 Specifications......................................................... 4 11.1 Transient Protection .............................................. 35 7.1 Absolute Maximum Ratings ...................................... 4 11.2 Output Short-Circuit Measurements ..................... 36 7.2 ESD Ratings.............................................................. 4 12 Layout................................................................... 37 7.3 Recommended Operating Conditions ....................... 4 12.1 Layout Guidelines ................................................. 37 7.4 Thermal Characteristics ............................................ 4 12.2 Layout Example .................................................... 38 7.5 Electrical Characteristics........................................... 5 13 Device and Documentation Support ................. 39 7.6 Timing Requirements ................................................ 7 13.1 Related Links ........................................................ 39 7.7 Typical Characteristics .............................................. 8 13.2 Trademarks ........................................................... 39 8 Parametric Measurement Information ............... 15 13.3 Electrostatic Discharge Caution ............................ 39 9 Detailed Description ............................................ 16 13.4 Glossary ................................................................ 39 9.1 Overview ................................................................. 16 14 Mechanical, Packaging, and Orderable 9.2 Functional Block Diagram ....................................... 17 Information ........................................................... 39 5 Revision History Changes from Original (June 2014) to Revision A Page • Changed Features From: UL2367 Recognition Pending To: UL 2367 Recognized, RILIM ≥ 20 kΩ (4.81 A max), File No. 169910 ............................................................................................................................................................................. 1 • Moved the Storage Temperature From the Handling Ratings table To Absolute Maximum Ratings table .......................... 4 • Changed the Handling Ratings table To: ESD Ratings table ................................................................................................ 4 • Added Test Condition to I(LIM): "R(ILIM) = 20 kΩ" in the Electrical Characteristics .................................................................. 5 • Changed Figure 24. .............................................................................................................................................................. 10 • Added condition R(ILIM) = 17.8 kΩ to Figure 40 and Figure 41 ............................................................................................ 13 • Changed Figure 43 .............................................................................................................................................................. 17 • Changed Equation 6 to include I(IMON_OS).............................................................................................................................. 21 • Added the NOTE to Application and Implementation .......................................................................................................... 24 • Added Note to Figure 57 ..................................................................................................................................................... 28 • Changed Equation 35 From: V(IN) x I(LOAD) To: V(IN) + I(LOAD)................................................................................................. 35 2 Submit Documentation Feedback Copyright © 2014–2015, Texas Instruments Incorporated Product Folder Links: TPS25940A TPS25940L |
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