atx power supply datasheet baz1670347e, cosmo/1010/817/d36/c

hi, can somebody help me

In my atx computer switching power supply, there is IC baz1670347e.

I try to search its datasheet but I didn't find it.
so, is there somebody who know what exactly that IC. I guest that is PWM IC , but still i need the datasheet

also there is component 4 pin, cosmo/1010/817/d36/c what is this? is it optocopler

thank you

Yes

Hi my friend

Sorry for my english but i`m benginner in your lenguage

Yes de COSMO it`s a optocopler if you want to see it datasheet you can try in that link :

http://www.datasheetcatalog.org/datasheet2/1/02qz3ajqz299xxgq3eop2f8cdzpy.pdf

Well I hope the link was help you see you soon