Just how different are linear, LDO and switching buck voltage regulators? I'm glad you asked! <br />You might be surprised... <br />It's tutorial time. <br /> <br />NOTE: There are many different methods of SMPS control, this is just one of the simple ones, go investigate! <br /> <br />The EEVblog Forum: http://www.eevblog.com/forum <br />The EEVblog Website: http://www.eevblog.com