Part Number : WS2801SO
Function : 3-Channel Constant Current LED Driver With Programmable PWM Outputs
Package : DIP, SOP 14 Pin Type
Maker : Worldsemi
Pinouts :
Description :
The WS2801SO 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. The WS2801ownes 3 output channels, each channel can drive a constant current up to 30mA. WS2081 contains serial shift registers, data latches, output registers, band gap reference voltage generator, internal oscillator, and programmable constant output current drivers.
Image :
Features
• Supports both constant voltage and constant current drive mode
• Programmable constant LED drive current
• Wide constant output current range 5~150mA
• Build in PWM dimming scheme for each output channel, supports free-run, especially suitable for low cost controller application
• PWM free-run capability(refresh rate(2.5KHz)
• Build in buffers to cascading data and clock to the next driver
• Output polarity reverse function
• Support hot swap
• Maximum input clock frequency 25MHz
Datasheet PDF Download :
Others datasheet of same file : WS2801S0, WS2801