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Using the LM317 with higher voltages
Using the LM317 with higher voltages
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Old 11th December 2019, 07:05 PM   #111
baudouin0 is offline baudouin0
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Join Date: Mar 2019
Location: UK
posreg.asc

Like that.

I trying to do something very similar 300v from 450v. I could not find pnp's high voltage but can use p-channel mosfet instead say.

https://www.onsemi.com/pub/Collateral/FQP3P50-D.pdf

I think a mica to220 kit is good for 500v.
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Old 11th December 2019, 10:19 PM   #112
carlmart is offline carlmart  Brazil
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Join Date: Mar 2001
Location: Brazil
Very nice.

Here's the PSRR for it.
Attached Files
File Type: asc posreg_314v_PSRR.asc (2.6 KB, 9 views)
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