Melanie pretty much said it all, but there's schematics and math formulas for transformerless supplies in this Microchip appnote:
http://ww1.microchip.com/downloads/e...tes/00954A.pdf
steve
Melanie pretty much said it all, but there's schematics and math formulas for transformerless supplies in this Microchip appnote:
http://ww1.microchip.com/downloads/e...tes/00954A.pdf
steve
Bookmarks