WS2803 - 18-Channel Constant Current LED Driver

Worldsemi

The WS2803 by Worldsemi is a 18-Channel Constant Current LED Driver. Below is the official datasheet preview.

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WS2803 18-Channel Constant Current LED Driver by Worldsemi - Datasheet Preview — Official preview page of the **WS2803** 18-Channel Constant Current LED Driver datasheet (Worldsemi).

Datasheet Details

Part number	WS2803
Manufacturer	Worldsemi
File Size	391.25 KB
Description	18-Channel Constant Current LED Driver
Datasheet	WS2803-Worldsemi.pdf
Additional preview pages of the WS2803 datasheet.

WS2803 Product details

Description

Applications WS2803 18-Channel Constant Current LED Driver With Programmable PWM Outputs LED decorative lighting Indoor/Outdoor LED video or massage display The WS2803 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 WS2803 ownes 18 output channels, each channel can drive a constant current up to 30mA.WS2081 contains serial shift registers, data latches, output

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 General.

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Published: Jun 24, 2014 |