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WS3441A - Non-isolated Buck Offline LED Driver

Datasheet Summary

Features

  • Critical Conduction Mode Operation.
  • Internal 500V Power MOSFET.
  • No Auxiliary Winding.
  • Ultra Low Operating Current.
  • ±3% LED Output Current Accuracy.
  • Efficiency up to 93%.
  • LED Open Protection.
  • LED Short Protection.
  • Current Sensing Resistor Short Protection.
  • Thermal Regulation Function.
  • Available in SOP-8 Package.

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Datasheet preview – WS3441A

Datasheet Details

Part number WS3441A
Manufacturer WINSEMI
File Size 499.97 KB
Description Non-isolated Buck Offline LED Driver
Datasheet download datasheet WS3441A Datasheet
Additional preview pages of the WS3441A datasheet.

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Full PDF Text Transcription

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WS3441A ProductDescription Features  Critical Conduction Mode Operation  Internal 500V Power MOSFET  No Auxiliary Winding  Ultra Low Operating Current  ±3% LED Output Current Accuracy  Efficiency up to 93%  LED Open Protection  LED Short Protection  Current Sensing Resistor Short Protection  Thermal Regulation Function  Available in SOP-8 Package Applications  LED Candle Light  LED Bulb, Spot Light  T8/T10 LED String  Other LED Lighting Typical Application Non-isolated Buck Offline LED Driver Description The WS3441A is a high precision buck constant current LED driver. The device operates in critical conduction mode and is suitable for 85Vac~265Vac universal input offline LED lighting. The WS3441A integrates a 500V power MOSFET. The operating current of the IC is very low.
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