Designing Buck Converter

I learn something from you all the time

Hopefully, it's something worthwhile.

Thanks.

LOL!!!!

Shame you were a little bit shy, but you were VERY accurate!!!!

I guess my personality is -passive aggressive- .

How hard do you want to be with the truth?

The real problem is they get an engineering degree, they get hired by a large company that has human resources that fill positions, along with the current management "breed" that have no domain skills in the company, and need a "warm body". So the "kids" are not properly vetted and prevented from getting into a company that then has to micro-document problems to fire them.

They consume time trying to train them by skilled "grey beards", who know they are a bottomless pit of wasted effort. But the schedule now has a warm body working toward completing the task.

It's easy to get lost in a big development team. And then they can show they have experience and screw the next company.

How do you stop education systems from giving them a degree. I'm seeing even real top end schools in the USA as degree mills, if you pay the tuition, you get a degree as long as you show up and have some ability to "regurgitate" on a test. And they have been doing this for the past 30 years. The facts to me are that true scientist/applied physicists are born with the gift, no amount of schooling is going fix this without selective cloning. But the demand for the skill continues, and so "lay persons" are directed into the sciences as they're told they can "make lots of money". You know there are many levels of creative skill, but the common thing is they understand the basics.

I dealt once with a PHD that thought he could create a water manometer for measuring differential pressure calibrated in inches of H2O for a refrigeration heat pump. He thought you could shield the water from the refrigerant by floating mercury on the water. His skill was complex computer modeling of heat pump systems. So as a ME he didn't even get the basics, but had a PHD degree, and from a ivy east coast school. I was just a Junior at the time, working on the "door bell" control circuits for control of the system. My point is that more education and experience can't fix the lack of gift. Clearly he could not have been stupid to get a PHD, but he was missing something.

I have had similar experiences with young "Doctors" here in Germany. (They all use the title here, its confusing at first, though of course nothing to do with medecine!)

I don't agree with the "tone" of your reply. Although you may be right, I think that we should always be polite and helpful. After all, we have the duty to encourage younger engineers who enter the hard field of engineering... not to discourage them...

Encourage? Do all the legwork for them?

Sorry, I disagree with your opinion......

I have always found that the best young engineers are "hungry" ones.....so do not feed them, only let them smell the "food"......

I don't claim that we should do their homework. Of course not. This is their job, not ours. However, we should let them smell or even taste the "food", rather than take the "food" away from them and let them starving. Sometimes, an advice or a little guidance is more than enough for them to find a solution on their own. And I insist on this: we should always be polite. Don't you think?

If, as I suspect, the OP is at the Uni somewhere, and this is a homework/assignment (wrong word possibly, but the right one fails me at this time) question, then he must have already had instruction enough to draw on to complete this......I see no reason to help him further.....

I am leaving here now anyway, see you on another blog someday, byeeeeee.....

_{what i have learned is that in crtain designs you should keep the R of the inductor as low as possible while in transformers' primary coils we must have some optimized R t.i. speciffic for that design because of dE=dPdt=dUdIdt=I(t)R²dt (NRG trapped* for conversion)}

_{there seems to be a limit for effective* peak I value or other words you can't design a inductors based 2-state (charge-uncharge) vtg.converter producing more than P watts per delta-time -- where that P(Wt^-1) seems to be a design invariant}

(it's not the answer to your question) - check the Block Diagram (p.13)
there a loads of issues*** to be covered in varying- -U_IN / -R_LOAD scenario
while the const. R_LOAD scen. might be a lot more simple solution

it's not building a buck converter but the very converter you actually require - if you need it fast (not an electronics lab prj.) there're loads of µ-Chips and circuits available (just match your case from diagrams (and you're done /!\ alternate is *** marked above))