I built a card using ppm4480 as refernce and using prescribed trasformer . Card was built but the trasformer is evidently wrong since output is 5V. I checked at this point the design of trasformer and it seemes that it is for a minimum of 170/180Vac and…
Other Parts Discussed in Thread: PMP4480 , UCC28710 Hi,
can I know which tool I have to use to read .sch and .pcb files released with PMP4480 Ref.Design.
Regards,
Valerio
Dear Robin,
I tried to use Reference Design PMP4480 and I had some problem.
Trasformer indicated in Ref.Des. and VS/CS setting are for a 5V@1A AND NOT for the declared 12V@1A.
I tried to solve reducing minimum Vin to 150V and using same trafo with different…