• Part: SF1539W
  • Manufacturer: SiFirst
  • Size: 527.33 KB
Download SF1539W Datasheet PDF
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SF1539W Description

SF1539W is a high performance, high efficiency, highly integrated current mode PWM power switch for offline flyback converter app.

SF1539W Key Features

  • Built-in 700V Power MOSFET
  • Proprietary η -BalanceTM Control to Boost
  • Proprietary “Zero OCP/OPP Recovery Gap”
  • Fixed 50KHz Switching Frequency
  • Built-in Soft Start Function
  • Very Low Startup Current
  • Frequency Reduction and Burst Mode Control
  • Current Mode Control
  • Built-in Frequency Shuffling
  • Built-in Synchronous Slope pensation