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Old 8th Jul 2020, 1:45 pm   #34
Join Date: Jun 2007
Location: Coulsdon, London, UK.
Posts: 1,224
Default Re: High voltage regulator circuit.

Could the reference diode be replaced by a TL431?

Take care if you build a circuit with high voltage on a variable resistor and make sure it can handle the power dissipation in the resistive element.

Reverse biased power diodes across the output terminals and the pass transistor are usually recommended.
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