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WS2803 Datasheet 18-channel Constant Current Led Driver

Manufacturer: Worldsemi

Overview: Preliminary.

Datasheet Details

Part number WS2803
Manufacturer Worldsemi
File Size 391.25 KB
Description 18-Channel Constant Current LED Driver
Datasheet WS2803-Worldsemi.pdf

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.

It is suitable for LED cascading applications.

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.

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WS2803 Distributor