Transformer less supply 220vac to 5Vdc | Electronics › Electronics › Transformer less supply 220vac to 5Vdc This topic has 1 reply, 2 voices, and was last updated 9 years, 8 months ago by oloniyo victor. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts July 29, 2014 at 4:44 pm #3194 A 2Participant Here cost is issue. I have to make transformer less supply. Can’t use smps. Anyone have experience in it. specs: 110Vac – 300Vac , 50Hz ouput: 5V dc, 0-100mA July 30, 2014 at 5:40 am #11957 oloniyo victorParticipant You could use a capacitor fed power supply, it would make a good transformerless power supply Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In