A new power supply for the Commodore 64

...or the design of a switched mode power supply out of discrete components When I finally bough a Commodore 64, it was already 30 years too late. But I was even more disappointed when the power brick was failing. It was the well known problem of the 5 Volt power rail slowly drifting out of specification. Better known as “the brick of death”. There was only one solution: designing a new switched mode power supply around the good old 555 timer. For more information and all the design files, visit [meezenest.nl/mees/voeding_commodore64.html](https://www.meezenest.nl/mees/voeding_commodore64.html)