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TPS544B20RVFR Datasheet(PDF) 2 Page - Texas Instruments |
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TPS544B20RVFR Datasheet(HTML) 2 Page - Texas Instruments |
2 / 74 page 2 TPS544B20, TPS544C20 SLUSB69A – MAY 2014 – REVISED FEBRUARY 2016 www.ti.com Submit Documentation Feedback Copyright © 2014–2016, Texas Instruments Incorporated Table of Contents 1 Features .................................................................. 1 2 Applications ........................................................... 1 3 Description ............................................................. 1 4 Revision History..................................................... 2 5 Device Comparison Table..................................... 3 6 Pin Configuration and Functions ......................... 3 7 Specifications......................................................... 5 7.1 Absolute Maximum Ratings ...................................... 5 7.2 ESD Ratings.............................................................. 5 7.3 Recommended Operating Conditions ....................... 5 7.4 Thermal Information .................................................. 6 7.5 Electrical Characteristics........................................... 7 7.6 Switching Characteristics ........................................ 10 7.7 Typical Characteristics ............................................ 11 8 Detailed Description ............................................ 15 8.1 Overview ................................................................. 15 8.2 Functional Block Diagram ....................................... 15 8.3 Feature Description................................................. 16 8.4 Device Functional Modes........................................ 26 8.5 Programming........................................................... 27 8.6 Register Maps ......................................................... 29 9 Applications and Implementation ...................... 51 9.1 Application Information............................................ 51 9.2 Typical Application .................................................. 51 10 Power Supply Recommendations ..................... 60 11 Layout................................................................... 61 11.1 Layout Guidelines ................................................. 61 11.2 Layout Example .................................................... 62 12 Device and Documentation Support ................. 64 12.1 Device Support...................................................... 64 12.2 Related Links ........................................................ 65 12.3 Trademarks ........................................................... 65 12.4 Community Resources.......................................... 66 12.5 Electrostatic Discharge Caution ............................ 66 12.6 Glossary ................................................................ 66 13 Mechanical, Packaging, and Orderable Information ........................................................... 66 4 Revision History Changes from Original (May 2014) to Revision A Page • Deleted package suffix and reel quantities from Device Comparison Table ......................................................................... 3 • Changed "Handling" Ratings table to "ESD" Ratings and moved Tstg spec to the Absolute Maximum Ratings table........... 5 • Added sentence in Switching Frequency description........................................................................................................... 19 • Changed "Hiccup" to "Shutdown and latch-off" as the Default Behavior for CMD Command; and, changed Default Register Value from 3Fh to 07h in Table 4, CMD Code 47h .............................................................................................. 28 • Changed Default Value for Bit Position 5, 4, and 3 from 1 1 1 to 0 0 0 respectively in the IOUT_OC_FAULT_RESPONSE (47h) table. ...................................................................................................................... 36 • Changed "IVADDR" to "IVFREQ" for Function at Bit Position 4 of the STATUS_MFR_SPECIFIC (80h); and also in the accompanying description. ............................................................................................................................................ 43 • Added Community Resources section ................................................................................................................................ 65 |
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