Re: LTSpice model for a SiC MOSFET

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.