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Path: ...!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail From: Bill Sloman <bill.sloman@ieee.org> Newsgroups: sci.electronics.design Subject: Re: LTSpice model for a SiC MOSFET Date: Tue, 27 May 2025 00:49:48 +1000 Organization: A noiseless patient Spider Lines: 40 Message-ID: <1011v2d$223b4$1@dont-email.me> References: <100c4og$t4lo$1@dont-email.me> <n7qj2kpht38kdk82o1hn10sss3ie2vnbrf@4ax.com> <100e4nq$1dhk3$1@dont-email.me> <tjam2klsvgahj9puk27mbs1f2q4sktcb9n@4ax.com> <5e2p2k9r7sd2o2o21llfen3nb881b4fuue@4ax.com> <100idtr$2at8a$5@dont-email.me> <eqf83kdolla6v8igg3rbk9829gkshgc41c@4ax.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Date: Mon, 26 May 2025 16:49:49 +0200 (CEST) Injection-Info: dont-email.me; posting-host="b92007d40085a6ab9ad45dbd69390aaf"; logging-data="2166116"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1/W8lcD1BbH/7kLZkcjQ1AAtiOVgCB0BRI=" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:WgQ79TPlz5OqIJxq3zujx9S9HlQ= In-Reply-To: <eqf83kdolla6v8igg3rbk9829gkshgc41c@4ax.com> Content-Language: en-US X-Antivirus: Norton (VPS 250525-10, 26/5/2025), Outbound message X-Antivirus-Status: Clean Bytes: 2880 On 26/05/2025 8:17 pm, Cursitor Doom wrote: > On Wed, 21 May 2025 03:25:11 +1000, Bill Sloman <bill.sloman@ieee.org> > wrote: > >> On 21/05/2025 12:04 am, john larkin wrote: >>> On Mon, 19 May 2025 09:33:28 -0400, legg <legg@nospam.magma.ca> wrote: >>>>> >>>>> The drain swing is actually 1.67 times the supply voltage, but it does >>>>> need two switching devices and a specially wound transformer (and we >>>>> know how reluctant you are to design them or get them made). >>>>> >>>>> It is probably going to be too expensive for the application, and we'd >>>>> be grateful for your insights into a cheaper alternative. I can't think >>>>> of one. >>>> >>>> I'd keep it simple and repurpose a backwards commodity CCFL ($0.50) >>>> transformer, in a low frequency (20-50KHz) buck regulator 'of sorts'. >>> >>> A ccfl transformer is ideal for the HV step-down application, and dirt >>> cheap is a side benefit. >>> >>> They often have several windings, which helps build oscillators. More >>> details might involve using a search engine. >> >> It's not the sort of component that a search engine will find for you. >> >> A manufacturer and a part number would be helpful. > <...> > > Try asking Grok, Bill. Or else your preferred AI assistant. Works for > me. AI does produce quite a bit of nonsense, and we know how enthusiastically you embrace implausible nonsense. Some of us are more interested in objectively verifiable reality. -- Bill Sloman, Sydney