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TPS25944L データシート(PDF) 2 Page - Texas Instruments |
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TPS25944L データシート(HTML) 2 Page - Texas Instruments |
2 / 54 page TPS25942A, TPS25942L, TPS25944A, TPS25944L SLVSCE9A – JUNE 2014 – REVISED MARCH 2015 www.ti.com Table of Contents 10.3 Feature Description............................................... 21 1 Features .................................................................. 1 10.4 Device Functional Modes...................................... 25 2 Applications ........................................................... 1 11 Application and Implementation........................ 27 3 Description ............................................................. 1 11.1 Application Information.......................................... 27 4 Simplified Schematic............................................. 1 11.2 Typical Application ................................................ 27 5 Revision History..................................................... 2 11.3 System Examples ................................................ 35 6 Device Comparison Table..................................... 4 12 Power Supply Recommendations ..................... 42 7 Pin Configuration and Functions ......................... 4 12.1 Transient Protection .............................................. 42 8 Specifications......................................................... 5 12.2 Output Short-Circuit Measurements ..................... 43 8.1 Absolute Maximum Ratings ...................................... 5 13 Layout................................................................... 44 8.2 ESD Ratings.............................................................. 5 13.1 Layout Guidelines ................................................. 44 8.3 Recommended Operating Conditions ....................... 5 13.2 Layout Example .................................................... 45 8.4 Thermal Characteristics ............................................ 5 14 Device and Documentation Support ................. 46 8.5 Electrical Characteristics........................................... 6 14.1 Related Links ........................................................ 46 8.6 Timing Requirements ................................................ 8 14.2 Trademarks ........................................................... 46 8.7 Typical Characteristics .............................................. 9 14.3 Electrostatic Discharge Caution ............................ 46 9 Parametric Measurement Information ............... 17 14.4 Glossary ................................................................ 46 10 Detailed Description ........................................... 18 15 Mechanical, Packaging, and Orderable 10.1 Overview ............................................................... 18 Information ........................................................... 46 10.2 Functional Block Diagram ..................................... 19 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 • Changed text in the Description From: FLT and ENBLK pins To: FLT and DMODE pins..................................................... 1 • Deleted Note "Product Preview" from the Device Information table ...................................................................................... 1 • Changed Pin 1 From ENBLK To: DMODE throughout the data sheet .................................................................................. 4 • Changed ENBLK To: DMODE in the Pin Functions table and updated the DESCRIPTION ................................................ 4 • Moved the Storage Temperature From the Handling Ratings table To Absolute Maximum Ratings table .......................... 5 • Changed the Handling Ratings table To: ESD Ratings table ................................................................................................ 5 • Changed DIODE MODE INPUT (ENBLK): ACTIVE LOW To: DIODE MODE INPUT (DMODE): ACTIVE HIGH in the Electrical Characteristics ........................................................................................................................................................ 6 • Added Test Condition to I(LIM): "R(ILIM) = 20 kΩ" in the Electrical Characteristics .................................................................. 6 • Changed Test Condition in I(LIM) From: "ENBLK = High; Diode Mode" To: "DMODE = High; Non-ideal Diode Mode" in the Electrical Characteristics ............................................................................................................................................. 6 • Changed "DIODE MODE INPUT: ACTIVE LOW (ENBLK)" To: DIODE MODE INPUT: ACTIVE HIGH (DMODE)" in the Timing Requirements ...................................................................................................................................................... 8 • Changed Figure 22. .............................................................................................................................................................. 11 • Added condition R(ILIM) = 17.8 KΩ to Figure 39 and Figure 40 ............................................................................................ 14 • Changed Figure 43. Added Figure 44, Figure 45, and Figure 46 ........................................................................................ 15 • Changed Figure 48: ENBLK To: DMODE and Diode Mode To: Non-Ideal Diode Mode ..................................................... 19 • Changed Figure 49: ENBLK To: DMODE and Diode Mode To Non-Ideal Diode Mode ...................................................... 20 • Changed Equation 5 to include I(IMON_OS).............................................................................................................................. 24 • Change text in Diode Mode From:" ENBLK...active low terminal" To: "DMODE ...active high terminal"............................. 25 • Changed text in the last sentence of Diode Mode From: "In this mode, the overload current..." To:"In this mode, the circuit breaker functionality.."................................................................................................................................................ 25 • Added the NOTE to Application and Implementation .......................................................................................................... 27 • Added Note A to Figure 60 .................................................................................................................................................. 31 2 Submit Documentation Feedback Copyright © 2014–2015, Texas Instruments Incorporated Product Folder Links: TPS25942A TPS25942L TPS25944A TPS25944L |
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同様の説明 - TPS25944L |
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