Reply To: My OSSC 1.6 is dying

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#41346
marqs
Participant

Have you measured the PSU output voltage under load? U6 is a 3.3V regulator driven directly by PSU which is nominally 5.0V. Some 5V PSUs have a bit higher output, for example 5.5V. That 0.5V would increase the power dissipated by the regulator by 30% which has a major effect on its temperature.