The more I read about SMPS variants that use a tapped inductor I get more convinced that it will work out. Not only is the voltage gain improved by an order or so, but the voltage stress in the switch will be very much limited as well. This should allow me to choose a cheaper, and in many senses better MOSFET, maybe even settle for a regulator with internal switch.
In the end it all depends on which inductors I find. A very last resort is to wind it myself but I do see it as an option albeit I don't look forward to it. Autotransformers for these frequencies seems very unusual, if they exist at all. The "generic" flyback transformers seems to be very flexible but I am a bit concerned about how much leakage inductance I will get sine the secondary winding is split several times. My best hope is to find an ordinary flyback transformer with a suitable turns ratio, saturation current and inductance. Of course there will be some leakage due to the forced midpoint interconnection on the PCB, but it should be manageable. /Anton -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To post to this group, send an email to neonixie-l@googlegroups.com. To unsubscribe from this group, send email to neonixie-l+unsubscr...@googlegroups.com. To view this discussion on the web, visit https://groups.google.com/d/msg/neonixie-l/-/V1TV6PTbJw8J. For more options, visit https://groups.google.com/groups/opt_out.
