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WS9841 - High Efficiency TRIAC dimmable LED

Description

WS9841 High Efficiency TRIAC dimmable LED

Features

  • TRIAC dimmable.
  • Internal 300V Power MOSFET.
  • Critical Conduction Mode Operation.
  • Ultra Low Operating Current.
  • ±5% LED Output Current Accuracy.
  • LED Open Protection.
  • LED Short Protection.
  • Current Sensing Resistor Short Protection.
  • VCC Under Voltage Protection.
  • Thermal Regulation Function.
  • Available in SOP-8 Package Typical Appliction.
  • LED Candle Light.
  • LED Bulb.
  • Other LED Lighting Driver.

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Datasheet Details

Part number WS9841
Manufacturer Winsemi
File Size 621.63 KB
Description High Efficiency TRIAC dimmable LED
Datasheet download datasheet WS9841 Datasheet

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Full PDF Text Transcription

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WS9841 Product Description WS9841 High Efficiency TRIAC dimmable LED Features  TRIAC dimmable  Internal 300V Power MOSFET  Critical Conduction Mode Operation  Ultra Low Operating Current  ±5% LED Output Current Accuracy  LED Open Protection  LED Short Protection  Current Sensing Resistor Short Protection  VCC Under Voltage Protection  Thermal Regulation Function  Available in SOP-8 Package Typical Appliction  LED Candle Light  LED Bulb  Other LED Lighting Driver Description The WS9841 is a high efficiency TRIAC dimmable LED driver. The device operates in critical conduction mode and is suitable for buck, buck-boost or fly-back LED lighting. The WS9841 integrates a 300V power MOSFET. It utilizes patent pending MOSFET driving technique and current sensing method.
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