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WS2801 - 3-Channel Constant Current LED Driver

Description

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.

Features

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Datasheet Details

Part number WS2801
Manufacturer Worldsemi
File Size 459.58 KB
Description 3-Channel Constant Current LED Driver
Datasheet download datasheet WS2801 Datasheet

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Preliminary WS2801 3-Channel C onstant Current LED Driver With Programmable PWM Outputs   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.
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