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TPS25921A Datasheet(PDF) 2 Page - Texas Instruments |
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TPS25921A Datasheet(HTML) 2 Page - Texas Instruments |
2 / 38 page TPS25921A, TPS25921L SLVSCE1C – AUGUST 2014 – REVISED NOVEMBER 2015 www.ti.com Table of Contents 9.4 Device Functional Modes........................................ 17 1 Features .................................................................. 1 10 Applications and Implementation...................... 18 2 Applications ........................................................... 1 10.1 Application Information.......................................... 18 3 Description ............................................................. 1 10.2 Typical Application ................................................ 18 4 Application Schematic .......................................... 1 10.3 System Examples ................................................. 25 5 Revision History..................................................... 2 11 Power Supply Recommendations ..................... 28 6 Pin Configuration and Functions ......................... 3 11.1 Transient Protection .............................................. 28 7 Specifications......................................................... 3 11.2 Output Short-Circuit Measurements ..................... 29 7.1 Absolute Maximum Ratings ...................................... 3 12 Layout................................................................... 30 7.2 ESD Ratings ............................................................ 3 12.1 Layout Guidelines ................................................. 30 7.3 Recommended Operating Conditions ....................... 4 12.2 Layout Example .................................................... 30 7.4 Thermal Characteristics ........................................... 4 13 Device and Documentation Support ................. 31 7.5 Electrical Characteristics........................................... 5 13.1 Related Links ........................................................ 31 7.6 Timing Requirements ................................................ 6 13.2 Community Resources.......................................... 31 7.7 Typical Characteristics .............................................. 7 13.3 Trademarks ........................................................... 31 8 Parametric Measurement Information ............... 11 13.4 Electrostatic Discharge Caution ............................ 31 9 Detailed Description ............................................ 12 13.5 Glossary ................................................................ 31 9.1 Overview ................................................................. 12 14 Mechanical, Packaging, and Orderable 9.2 Functional Block Diagram ....................................... 12 Information ........................................................... 31 9.3 Feature Description................................................. 13 5 Revision History Changes from Revision B (August 2015) to Revision C Page • Changed Equation 2 From: 0.07 To: 70 pF, and added text "where C(ss) is in Farad" ....................................................... 14 • Changed Equation 21 From: (1 + 0.07) To: (1 x10 -9 + 70 x 10-12) ....................................................................................... 22 • Changed Equation 26 From: (4.7 + 0.07) To: (4.7 x10 -9 + 70 x 10-12) ................................................................................. 22 Changes from Revision A (March 2015) to Revision B Page • Changed tss in Timing Requirements From: V(OUT) = 11.7 V To V(OUT) = 11 V and C(SS) = 1 nF To: C(SS) = 1.2 nF .............. 6 Changes from Original (August 2014) to Revision A Page • Changed Features From: UL2367 Recognition Pending To: UL2367 Recognized - File No. E169910 ............................... 1 • Moved the Storage temperature range From: Handling Ratingstable To : Absolute Maximum Ratings .............................. 3 • Changed the Handling Ratings table To: ESD Ratings ......................................................................................................... 3 • Changed Equation 31 From: V(IN) x I(LOAD) To: V(IN) + I(LOAD). ............................................................................................... 28 2 Submit Documentation Feedback Copyright © 2014–2015, Texas Instruments Incorporated Product Folder Links: TPS25921A TPS25921L |
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