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WS3241 - High Precision PSR LED Constant Current Driver

General Description

High Precision PSR LED Constant Current Driver

Key Features

  • Built-in 650V UHV Power MOS.
  • LED Constant Current: ±5%.
  • Fixed Primary Peak Current: 185mA.
  • Without the Secondary winding.
  • Start up time less than 100ms.
  • High precision constant current regulation due to patented CC control.
  • Built-in line compensation.
  • Ultra low operation current.
  • Maximum power 4W.
  • LED open/short protection.
  • Floating pin protection.
  • Excellent EMI performance with PFM control.
  • Cycle-by-cycle current limit.
  • Buil.

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Datasheet Details

Part number WS3241
Manufacturer WINSEMI
File Size 598.79 KB
Description High Precision PSR LED Constant Current Driver
Datasheet download datasheet WS3241 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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WS3241 ProductDescription High Precision PSR LED Constant Current Driver Features  Built-in 650V UHV Power MOS  LED Constant Current: ±5%  Fixed Primary Peak Current: 185mA  Without the Secondary winding  Start up time less than 100ms  High precision constant current regulation due to patented CC control  Built-in line compensation  Ultra low operation current  Maximum power 4W  LED open/short protection  Floating pin protection  Excellent EMI performance with PFM control  Cycle-by-cycle current limit  Built-in leading Edge Blanking  VDD Under Voltage Lockout（UVLO）  Built-in over temperature protection Applications  LED lighting Description WS3241 is a high precision primary side feedback constant current LED driver, suitable for flyback isolated LED in sub 4W power ran