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WS2803 - 18-Channel Constant Current LED Driver

General Description

Applications WS2803 18-Channel Constant Current LED Driver With Programmable PWM Outputs LED decorative lighting

The WS2803 is a constant current LED driver.

It is designed for indoor/ outdoor LED displays and decorative LED lighting system.

Key Features

  • Supports both constant voltage and constant current drive mode 　 Constant output current range -5-30mA@5V supply voltage -5-20mA@3.3V supply voltage.
  • 18 constant current driving channels.
  • 30V high voltage output channels.
  • 8bit PWM gray level control.
  • Precision output driving current Between channels in a chip: ±2 % Between chips: ±4%.
  • Maximum clock frequency up to 25MHz.
  • Free run ability.
  • Over temperature protection General.

📥 Download Datasheet

Datasheet Details

Part number WS2803
Manufacturer Worldsemi
File Size 391.25 KB
Description 18-Channel Constant Current LED Driver
Datasheet download datasheet WS2803 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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Preliminary Features ●Supports both constant voltage and constant current drive mode 　 Constant output current range -5-30mA@5V supply voltage -5-20mA@3.3V supply voltage ●18 constant current driving channels ● 30V high voltage output channels ● 8bit PWM gray level control ● Precision output driving current Between channels in a chip: ±2 % Between chips: ±4% ● Maximum clock frequency up to 25MHz. ● Free run ability ● Over temperature protection General Description Applications WS2803 18-Channel Constant Current LED Driver With Programmable PWM Outputs ● LED decorative lighting ● Indoor/Outdoor LED video or massage display The WS2803 is a constant current LED driver. It is designed for indoor/ outdoor LED displays and decorative LED lighting system.