High Noise Immunity, Fast Turn-off Intelligent Rectifier for Flyback



The MP6901 is a Low-Drop Diode Emulator IC that, combined with an external switch replaces Schottky diodes in high-efficiency, Flyback converters. The chip regulates the forward drop of an external switch to about 70mV and switches it off as soon as the voltage becomes negative. Package choices are a space saving TSOT23-5 or SOIC-8.


  • Works with both Standard and Logic Level FETS
  • Compatible with Energy Star, 1W Standby Requirements
  • VDD Range From 8V to 24V
  • Fast Turn-off Total Delay of 20ns
  • Max 400kHz Switching Frequency
  • <3mA Low Quiescent Current
  • Supports CCM, DCM and Quasi-Resonant Topologies
  • Supports High-side and Low-side Rectification
  • Power Savings of Up to 1.5W in a Typical Notebook Adapter


  • fsw (max) (kHz)400
  • 最小输入电压8
  • Vin (max) (V)24
  • Iq (mA)2
  • Iop (mA)8
  • Drain Rating180
  • VDD (min) (V)6
  • VDD (max) (V)27
  • Pout (max) (W)150
  • PackageSOIC-8, TSOT23-5
  • TypeController
  • GradeCatalog
  • Light-Load FunctionNo
  • Power Range DefinedNo