Self oscillating flyback converter

  
Inside:
Inside Circuits
A low-power converter suitable for deriving a higher voltage from a main system rail in an on-board application. With the transformer shown, the operating frequency is 250 kHz
Self oscillating flyback converter - schematic

Z1 serves as a dissipative voltage regulator for the output and also clips the drain voltage to a level below the rated VMOS breakdown voltage.



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