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WS3418 - Non-isolated Buck APFC Offline LED Driver

Key Features

  • Specially Optimized for the EMI.
  • Internal 650V Power MOSFET.
  • Active PFC for High Power Factor and Low THD.
  • Critical Conduction Mode Operation.
  • System Efficiency up to 95%.
  • Without auxiliary winding.
  • Excellent Line and Load Regulation.
  • ±3% LED Output Current Accuracy.
  • Thermal Regulation Function.
  • LED Short/Open Protection.
  • Current Sensing Resistor Open Protection.
  • Auto Fault Recovery.
  • Available in SOP7 Package.

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Datasheet Details

Part number WS3418
Manufacturer WINSEMI
File Size 577.05 KB
Description Non-isolated Buck APFC Offline LED Driver
Datasheet download datasheet WS3418 Datasheet

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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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WS3418ProductDescription Features  Specially Optimized for the EMI  Internal 650V Power MOSFET  Active PFC for High Power Factor and Low THD  Critical Conduction Mode Operation  System Efficiency up to 95%  Without auxiliary winding  Excellent Line and Load Regulation  ±3% LED Output Current Accuracy  Thermal Regulation Function  LED Short/Open Protection  Current Sensing Resistor Open Protection  Auto Fault Recovery  Available in SOP7 Package Applications  E27 LED Bulb, Spot Light  PAR30, PAR38 Lamp  T8/T10 LED String  Other LED Lighting Typical Application Non-isolated Buck APFC Offline LED Driver Description The WS3418 is a high precision non-isolated buck driver with active PFC, specially designed for universal input offline constant current LED lighting.