> Power circuits are a side peripheral for what I do, so I really appreciat= e the > online tools that save me time searching through datasheets to chase down > component values. Are there any other manufacturers that make simple > switching regulators with online design tools that specify component mode= l > numbers etc? Linear Technology with their LTspice simulator. Many inductors already have= their characteristics provided by the inductor manufacturers for the switc= hing regulators. And the other advantage of LTspice is that it is a full PS= pice tool as well ... --=20 Scanned by iCritical. --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .