Skip to main content
10 events
when toggle format what by license comment
Jul 19, 2023 at 14:32 history edited Hyp CC BY-SA 4.0
added 413 characters in body
Jul 19, 2023 at 8:10 comment added Hyp It sure is. Well, let's see if anyone can answer my original question.
Jul 18, 2023 at 17:45 comment added Andy aka It's worth a go.
Jul 18, 2023 at 16:17 comment added Hyp Yes, I get it. I just wanted to see if anyone had experience with the pitfalls of this solutions. As I said I'm not quite sure yet what ripple I'm actually allowed. And I'm only guessing what frequency this ripple would be, the Royer oscillator properties would probably be a factor. But actually startup time would not be an issue as the oscillator would start at full input voltage and maximum startup speed possible. I like the idea, thanks, maybe I could simulate this.
Jul 18, 2023 at 15:42 comment added Andy aka If you turn M2 off when it reaches the required voltage on the output this should work.
Jul 18, 2023 at 15:18 comment added Hyp Oh, I see. Not sure I could get away with this ripple. Plus I'm worried about what this would do to the startup time of the oscillator. Would you have a link to where a comparator is used this way or a tip as to what to search for, I couldn't find anything.
Jul 18, 2023 at 15:00 comment added Andy aka Oops I meant a 6x voltage multiplier. You would compare the output voltage (a potential divided version of course) with some reference voltage and, use the comparator output to activate (or turn off) the driving circuit. Hysteresis means it won't won't go unstable around the voltage output required but, it will hunt between the hysteresis limits and create ripple.
Jul 18, 2023 at 14:56 comment added Hyp @Andy aka This is called a tripler? The multiplication factor is 6. Anyway, the multiplier is not in the app note, thanks for pointing out the time lag. Yes, I am struggling with stability here. But I do not understand your idea with the comparator, what would you be comparing and how does that help stability?
Jul 18, 2023 at 14:13 comment added Andy aka I didn't see your tripler design in the app note you link. The tripler will produce a lot of time lag and will need extra special compensation to make the output stable. I'd use and output comparator with a tiny bit of hysteresis.
Jul 18, 2023 at 12:50 history asked Hyp CC BY-SA 4.0