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LT3511 - Monolithic High Voltage Isolated Flyback Converter

General Description

The LT®3511 is a high voltage monolithic switching regulator specifically designed for the isolated flyback topology.

No third winding or opto-isolator is required for regulation as the part senses output voltage directly from the primary-side flyback waveform.

Key Features

  • n 4.5V to 100V Input Voltage Range n Internal 240mA, 150V Power Switch n Boundary Mode Operation n No Transformer Third Winding or Opto-Isolator Required for Regulation n Improved Primary-Side Winding Feedback Load Regulation n VOUT Set with Two External Resistors n BIAS Pin for Internal Bias Supply and Power Switch Driver n No External Start-Up Resistor n 16-Lead MSOP Package.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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LT3511 Monolithic High Voltage Isolated Flyback Converter FEATURES n 4.5V to 100V Input Voltage Range n Internal 240mA, 150V Power Switch n Boundary Mode Operation n No Transformer Third Winding or Opto-Isolator Required for Regulation n Improved Primary-Side Winding Feedback Load Regulation n VOUT Set with Two External Resistors n BIAS Pin for Internal Bias Supply and Power Switch Driver n No External Start-Up Resistor n 16-Lead MSOP Package APPLICATIONS n Isolated Telecom Power Supplies n Isolated Auxiliary/Housekeeping Power Supplies n Isolated Industrial, Automotive and Medical Power Supplies DESCRIPTION The LT®3511 is a high voltage monolithic switching regulator specifically designed for the isolated flyback topology.