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PostPosted: 2007-12-12 21:37:55
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Joined: 2007-12-12 21:37:55
Jens Dierks schrieb:

> Daher die Fragen: was hätte man besser machen können

Die Rückkopplung mittels zusätzlicher Hilfsspannung(z.B. 5V) und
TL431 machen. Auch die ganze Oszillatormimik lässt sich wesentlich
einfacher realisieren, man Ringing Choke Converter.


> und gibt es Regler mit geringer Stromaufnahme?

Schon ein simpler 34063 braucht nur sehr wenige mA.


Gruß Dieter


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