Worldsemi WS2801
The WS2801 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.| Part No. | WS2801 |
|---|---|
| Datasheet | WS2801 Download |
| Manufacturer |  Worldsemi |
| Description | 3-Channel Constant Current LED Driver |
| Buy | Stock & Price |
FEATURES
APPLICATIONS
● 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
● Power supply voltage 3.3~5.5V
● LED decorative lighting
● Indoor/Outdoor LED video or massage display
● PWM signal generator
● LCD TV back lighting
GENERAL DESCRIPTION
The WS2801 is a constant current LED driver. 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.
