User Manual

WS2811

Signal line 256 Gray level 3 channal

Constant current LED drive IC

http://www.world-semi.com

PIN configuration

PIN function

NO.

Symbol

Function description

1 OUTR Output of Red PWM control

2 OUTG Output of Green PWM control

3 OUTB Output of Blue PWM control

4 GND Ground

5 DOUT Data signal cascade output

6 DIN Data signal input

7 SET

Set work mode of IC as low speed model(connect VDD)

or high speed model(vacant)

8 VDD Power supply voltage

Absolute Maximum Ratings

Prameter Symbol

Ratings Unit

Power supply voltage V

+6.0~+7.0 V

Output voltage V

OUT

12 V

Input voltage V

-0.5～VDD+0.5 V

Operation junction

temperature

Topt -25～+85 ℃

Storage temperature range

Tstg -55~+150 ℃

Note: If the voltage on the pins exceeds the maximum ratings may cause permanent damage to the

device.