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| Low quiescent/ standby boost regulator 3.3-500V |
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| Marco:
An autotransformer has nearly the same complexity as a flyback, the couple of windings saved are hardly relevant, especially given they can be wound with thinner wire. Isolation has complexity, but you can use the fly back transformer without it. |
| Amper:
It could be a nice idea though considering thee isstandard boostconverter ICs up to around 60v so a 1:1 tapped inductor could get rid of the previously needed external fet, that is a legit point he has there. |
| Marco:
Boost converters with lots of annoying features which will just make your life hard, compared to a nice and predictable hex inverter ... I'd go for the hex inverter with two transistor from the Theremino GA500 design. |
| Amper:
The 7414 does not mean i cant use a transformer, a normal boost topology or what ever afterwards. |
| EmmanuelFaure:
--- Quote from: Amper on July 15, 2019, 10:41:01 am ---It could be a nice idea though considering thee isstandard boostconverter ICs up to around 60v so a 1:1 tapped inductor could get rid of the previously needed external fet, that is a legit point he has there. --- End quote --- And why not a tapped inductor with ratio 1:10, or even more? Buy a ferrite core and do it yourself. Sometimes a bit of handwork is better than browsing catalogs for hours searching the perfect off-the-shelf component. |
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