Guys...please tell me who make these buggers

 

It may have been made for Peco Co., Ltd., a semiconductor production equipment company or Perkin Elmer Corp.

http://peco.en.ec21.com/
http://www.perkinelmer.com/

 

Why don't you look at the datasheets for it at www.datasheetarchive.com yourself?
There you can select which manufacturer because some have different spec's.

 

Is that the NCP5355 from ONSEMI? Mosfet driver?

http://www.alldatasheet.com/view.jsp?Searchword=NCP5355

 

Is that the NCP5355 from ONSEMI? Mosfet driver?

http://www.alldatasheet.com/view.jsp?Searchword=NCP5355

Bingo !