Hi folks, Has anyone any data on the above smps ic? I have tried everywhere, I think, so any help would be gratefully received. Regards, Tony Allgood, Cumbria, UK e-mail: oakley at enterprise.net Rack mounted Moog VCF module. Details to be found at... http://aupe.phys.andrews.edu/diy_archive/schematics/effects/filter.html