NPN on DFR0379 Buck Step Down is too spicy!
Levi.Baerg 2026-07-27 22:16:57 6 Views0 Replies Attempting to regulate 32 V on separate channels with the DFR0379 to output 30 V on purely resistive (220k) load. Current draw is ~80 mA per channel.
My issue is that the NPN transistor (D882) is getting too hot to touch. I plan to operate these with additional loads that may reach 100 mA.
Looking into the issue tells me that its the power the display! Diabling the display drops ~42 mA! This is seen on other boards too, so I want to ask if this is a bug or a feature? and will this affect the longevity of the board?

