Re: Pin layout for a voltage regulator

"the dip****" <sgonedes@[EMAIL PROTECTED]
> wrote in message 
news:868wtx3mc1.fsf@[EMAIL PROTECTED]
>
>
> Hello, I am wondering if anyone knows the pin layout for a l7812acv
cc077 
> v6
> march 819 and a l7912acv gk243 vw chn 734. The products where purchased 
> via
> newark.com from ST electronics. I checked the datasheets and the three 
> that
> I have read all provide different pin layouts. I like to be sure that I 
> get
> the pins right before I start pulling from the transformer - it's just a
> minor issue but the koreans TL431 datasheet is much different than the 
> ones
> that are available to US citizens.

As others have pointed out the 78xx and 79xx regulators have different 
pinout also the TL431 is an adjustable zener not a voltage regulator.