I have not used this, I seem to an engineer telling me that the VIPERs just don't work below a certain output voltage. Perhaps you should try setting it to 12 volts just to see if it works there. On Mon, Jul 6, 2015 at 4:35 PM, Bruno L. Albrecht wrote: > Hi there, > has anyone tried to make a non isolated power source with this guy > (VIPER06LS)? > I'm trying to design a 90-260Vac to 5V 100mA, but I can't get it to work > (works at a certain input voltage - 220Vac gets me 5V - with no load, but > when I put a 500R load, the voltage drops to 4V). > > Already tried the ST's support, but they didn't help. > > Cheers, > Bruno > > > -- > Eng. Bruno L. Albrecht > e-mail/G-Talk: brunolalb@gmail.com > Skype: brunolalb > Engereus do Brasil Ltda. > http://www.engereus.com.br > -- > http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > --=20 Jason White --=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 .