A flyback converter high voltage supply by 555

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The circuit diagram of the flyback converter will hold no surprises (Fig.16). Literally the only difference with the boost converter is that the inductor is replaced by a transformer, and that the transistor has been replaced for a BUZ21. The BUZ21 has a much lower on resistance (Ron=0.085 ohm) as compared to the BUZ41A (Ron=1.5 ohm) but also a lower drain-source breakdown voltage (100V versus 500V).

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This entry was posted on Thursday, February 28th, 2008 at 10:43 am and is filed under 555, Converter Circuit, high voltage power supply. You can follow any responses to this entry through the RSS 2.0 feed.