Driver led 18 salidas corriente constante 5-30 mA, regulacion PWM 256 niveles de gris, control SPI 2 hilos

Descargar datasheet: WS2803

Applications

● LED decorative lighting

● Indoor/Outdoor LED video

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