WS2803 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.
WS2803 Key Features
- Supports both constant voltage and constant current drive mode Constant output current range -5-30mA@5V supply voltage
- 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