TPS855(F) TOSHIBA Photo-IC Silicon Epitaxial Planar TPS855(F) Lead(Pb)-Free Luminosity Adjustment for TV Screens, CRT Monitors and Liquid-crystal Display Monitors Other Equipment Requiring Luminosity Adjustment The TPS855(F) is a linear-output photo-IC which incorporates a photodiode and a current amp circuit in a single chip. This photo-IC is current output type, so can set up output voltage freely by arbitrary load resistance. High s.