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LM5181-Q1 Arkusz danych(PDF) 2 Page - Texas Instruments |
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LM5181-Q1 Arkusz danych(HTML) 2 Page - Texas Instruments |
2 / 33 page 2 LM5181-Q1 SNVSBN6 – APRIL 2020 www.ti.com Product Folder Links: LM5181-Q1 Submit Documentation Feedback Copyright © 2020, Texas Instruments Incorporated Table of Contents 1 Features .................................................................. 1 2 Applications ........................................................... 1 3 Description ............................................................. 1 4 Revision History..................................................... 2 5 Description (continued)......................................... 2 6 Pin Configuration and Functions ......................... 3 7 Specifications......................................................... 4 7.1 Absolute Maximum Ratings ...................................... 4 7.2 ESD Ratings.............................................................. 4 7.3 Recommended Operating Conditions ....................... 4 7.4 Thermal Information .................................................. 4 7.5 Electrical Characteristics........................................... 5 7.6 Typical Characteristics .............................................. 6 8 Detailed Description .............................................. 9 8.1 Overview ................................................................... 9 8.2 Functional Block Diagram ......................................... 9 8.3 Feature Description................................................... 9 8.4 Device Functional Modes........................................ 15 9 Application and Implementation ........................ 16 9.1 Application Information............................................ 16 9.2 Typical Applications ................................................ 16 10 Power Supply Recommendations ..................... 22 11 Layout................................................................... 23 11.1 Layout Guidelines ................................................. 23 11.2 Layout Examples................................................... 24 12 Device and Documentation Support ................. 25 12.1 Device Support...................................................... 25 12.2 Documentation Support ....................................... 26 12.3 Receiving Notification of Documentation Updates 26 12.4 Support Resources ............................................... 26 12.5 Trademarks ........................................................... 26 12.6 Electrostatic Discharge Caution ............................ 27 12.7 Glossary ................................................................ 27 13 Mechanical, Packaging, and Orderable Information ........................................................... 27 4 Revision History NOTE: Page numbers for previous revisions may differ from page numbers in the current version. DATE REVISION NOTES April 2020 * Initial release 5 Description (continued) The LM5181-Q1 flyback converter simplifies implementation of isolated DC/DC supplies with optional features to optimize performance for the target end equipment. The output voltage is set by one resistor, while an optional resistor improves output voltage accuracy by negating the thermal coefficient of the flyback diode voltage drop. Additional features include an internally-fixed or externally-programmable soft start, optional bias supply connection for higher efficiency, precision enable input with hysteresis for adjustable line UVLO, hiccup-mode overload protection, and thermal shutdown protection with automatic recovery. |
Podobny numer części - LM5181-Q1 |
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Podobny opis - LM5181-Q1 |
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