LT8301 – 42VIN Micropower No-Opto Isolated Flyback Converter with 65V/1.2A Switch




Features

  • 2.7V to 42V Input Voltage Range
  • 1.2A, 65V Internal DMOS Power Switch
  • Low Quiescent Current:
    100μA in Sleep Mode
    350μA in Active Mode
  • Boundary Mode Operation at Heavy Load
  • Low-Ripple Burst Mode® Operation at Light Load
  • Minimum Load <0.5% (Typ) of Full Output
  • VOUT Set with a Single External Resistor
  • No Transformer Third Winding or Opto-Isolator Required for Regulation
  • Accurate EN/UVLO Threshold and Hysteresis
  • Internal Compensation and Soft-Start
  • Output Short-Circuit Protection
  • 5-Lead TSOT-23 Package

Typical Application

LT8301

Description

The LT®8301 is a micropower isolated flyback converter. By sampling the isolated output voltage directly from the primary-side flyback waveform, the part requires no third winding or opto-isolator for regulation. The output voltage is programmed with a single external resistor. Internal compensation and soft-start further reduce external component count.

 

For more detail: LT8301 – 42VIN Micropower No-Opto Isolated Flyback Converter with 65V/1.2A Switch




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