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From: john larkin <jl@glen--canyon.com>
Newsgroups: sci.electronics.design
Subject: Re: LTSpice model for a SiC MOSFET
Date: Tue, 27 May 2025 07:53:12 -0700
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On Tue, 27 May 2025 10:02:27 -0400, Joe Gwinn <joegwinn@comcast.net>
wrote:

>On Tue, 27 May 2025 20:32:49 +1000, Chris Jones
><lugnut808@spam.yahoo.com> wrote:
>
>>On 18/05/2025 6:11 pm, Bill Sloman wrote:
>>> I'm looking at a problem where somebody wants to step down a 1kV low 
>>> current source to 3.3V.
>>> 
>>> The Baxandall class-D oscillator could do it, but it needs a pair 1.7kV 
>>> MOSFETs for the job. The Infineon SiC IMH170R450M1 would do it - though 
>>> it's a much higher current part (10A) than the job needs (about 1mA).
>>> 
>>> I've dived into the Infineon rabbit-hole which promises LTSpice models, 
>>> but wasn't able to find one.
>>> 
>>> Does anybody know of a similar - ideally cheaper and smaller - part for 
>>> which there is an LTSpice model?
>>> 
>>
>>Maybe use an electrostatic motor driving a small generator!
>
>Maybe DON'T FEED THE TROLL?

It is an interesting problem, designing a logic supply that runs off a
1 KV DC supply. Even when the requirements are confused.

Actually, the uncertainty opens up more circuit possibilities to
consider. We can thank Sloman for being confused.