Welcome to our site! EDAboard.com is an international Electronics Discussion Forum focused on EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals... and a whole lot more! To participate you need to register. Registration is free. Click here to register now.
In the old days we had to build the necessary protection discretely. You'll notice in Ti's app notes and old data sheets, examples of how to do this.
As Miguel said most regulatory agencies are concerned with whether or not the product is: safe for the user, won't radiate a lot of noise, and...
Try capacitor coupling to the mains. The reactance of the cap(s) can be used to drop the voltage. You can omit C3 (on the neutral wire) in the image if you don't need isolation. Realize though, that the voltage will vary with the load And that line harmonics are coupled though the caps easily.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.
