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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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PIFE32251B-R68MS bảng dữ liệu(PDF) 3 Page - Texas Instruments |
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PIFE32251B-R68MS bảng dữ liệu(HTML) 3 Page - Texas Instruments |
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3 / 157 page  3 TPS650830 www.ti.com SLVSCF4A – DECEMBER 2014 – REVISED JULY 2016 Submit Documentation Feedback Product Folder Links: TPS650830 Revision History Copyright © 2014–2016, Texas Instruments Incorporated Table of Contents 1 Device Overview ......................................... 1 1.1 Features .............................................. 1 1.2 Applications ........................................... 1 1.3 Description ............................................ 1 1.4 Simplified System Diagram ........................... 2 2 Revision History ......................................... 3 3 Device Options ........................................... 6 4 Pin Configuration and Functions ..................... 7 4.1 Pin Functions ......................................... 9 5 Specifications ........................................... 14 5.1 Absolute Maximum Ratings ......................... 14 5.2 ESD Ratings ........................................ 16 5.3 Recommended Operating Conditions ............... 16 5.4 Thermal Information ................................. 18 5.5 Electrical Characteristics ............................ 18 5.6 Timing Requirements ............................... 43 5.7 Typical Characteristics .............................. 46 6 Detailed Description ................................... 50 6.1 Overview ............................................ 50 6.2 Functional Block Diagram ........................... 51 6.3 Feature Description ................................. 52 6.4 Device Functional Modes ........................... 70 6.5 Programming ....................................... 72 6.6 Register Map ........................................ 75 7 Application and Implementation ................... 127 7.1 Application Information ............................ 127 7.2 Typical Application ................................. 127 7.3 System Example .................................. 142 7.4 Do's and Don'ts ................................... 142 8 Power Supply Recommendations ................. 143 9 Layout ................................................... 144 9.1 Layout Guidelines .................................. 144 9.2 Layout Example .................................... 146 9.3 Thermal Considerations ........................... 148 10 Device and Documentation Support .............. 149 10.1 Device Support ..................................... 149 10.2 Documentation Support ............................ 149 10.3 Receiving Notification of Documentation Updates . 149 10.4 Community Resources ............................. 149 10.5 Trademarks ........................................ 149 10.6 Electrostatic Discharge Caution ................... 149 10.7 Glossary ............................................ 149 11 Mechanical, Packaging, and Orderable Information ............................................. 150 11.1 Packaging Information ............................. 150 2 Revision History Changes from Original (December 2014) to Revision A Page • Changed from data sheet format to data manual format ........................................................................ 1 • Changed Applications ............................................................................................................... 1 • Changed Skylake to Skylake and Kabylake throughout data manual ......................................................... 2 • Added Device Options section ...................................................................................................... 6 • Changed pinout diagrams ........................................................................................................... 7 • Added TYPE column to pin functions tables ...................................................................................... 9 • Added Switch pins - controllers (transient <10 ns) to Absolute Maximum Ratings ........................................ 14 • Added Switch pins - converter (transient <10 ns) to Absolute Maximum Ratings .......................................... 14 • Changed Output alert pin to Output interrupt pin in Absolute Maximum Ratings ........................................... 15 • Changed Output alert pin to Output interrupt pin in Recommended Operating Conditions ............................... 17 • Separated the VDD domains ..................................................................................................... 19 • Changed Critical supply voltage (VDCSNS) falling threshold ................................................................. 22 • Added Critical supply voltage (VDCSNS) input current ........................................................................ 22 • Added Internal Ramp Comparator ................................................................................................ 22 • Added Emergency Reset Shutdown .............................................................................................. 22 • Deleted Low-side output valley current limit ..................................................................................... 23 • Added Current limit (Vsw - PGND) voltage specifications ..................................................................... 23 • Added Negative current limit (Vsw - PGND) voltage specifications .......................................................... 23 • Added VR1 Soft-Start specifications ............................................................................................. 24 • Added VR1 DVS specifications ................................................................................................... 24 • Added VR1 Decay exit specifications ............................................................................................ 24 • Added VR1_Powergood deglitch time ........................................................................................... 25 • Added VR1_Powergood Mask specifications ................................................................................... 25 • Added VR1_Force PWM specifications ......................................................................................... 26 • Changed VR2 Low side valley cycle by cycle positive current limit min value from 2000 mA to 2260 mA ............. 26 • Changed VR2 Low side valley cycle by cycle positive current limit max value from 2450 mA to 3360 mA ............ 26 • Added VR2 Soft-Start specifications ............................................................................................. 27 |
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