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WS2801 - 3-Channel Constant Current LED Driver

General 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.

Key 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 for WS2801 (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for WS2801. For precise diagrams, and layout, please refer to the original PDF.

Preliminary WS2801 3-Channel C onstant Current LED Driver With Programmable PWM Outputs Features Applications • Supports both constant voltage and constant current drive ...

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lications • 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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