Hello,
I am using CL505S LED
http://ce.citizen.co.jp/up_img/product/sQNrj4RlM7o2/CL-505S_e.pdf
There are 4 pads on this LED. I want to know which pad connect to what?
should I connect pad 4 to VDD and then rest to GND.
I am confused.......

 

Hello,
I am using CL505S LED
http://ce.citizen.co.jp/up_img/product/sQNrj4RlM7o2/CL-505S_e.pdf
There are 4 pads on this LED. I want to know which pad connect to what?
should I connect pad 4 to VDD and then rest to GND.
I am confused.......

Pin 4 goes to the positive side of the supply and the rest of the pins go to GND through whatever ballast / dimming / switching arrangement you may choose to use, like this:

 

Thank you for reply