EEVblog #90 - Linear and LDO regulators and Switch Mode Power Supply Tutorial

Can confirm Electrical Engineering Degrees are bullshit out of learning IC Design

Mecheng here.
I had the opportunity to choose my subjects when I did the study abroad program.
I decided to throw myself in the deep end and do a final year analogue electronics theory course.
It was one of the most interesting subjects I have ever done.
Learning to model these circuits in the frequency domain was super useful later on when I had to do modelling of mechanical systems!

Do LDO regulators use a Szikali pair pass transistor stage? This will not need an inverse connection for the op-amp as the driver transistor is still a NPN transistor. I do get confused about the forward gain of the Szikali pair. I think it's mainly the driver transistor in this calculation.

So you are telling us, boiled eggs and scrabbled eggs are same? 🙂

I think this is an excellent way to explain things.

This is not the right way to explain things.
Blah blah blah blah blah...
You give an overall idea of how it works. Then you focus on each part and what they do.
You break it down, take a breath, divide each section.
Otherwise it's just a bunch of words that don't mean anything.

But still linear PS better

I scare a lot about SMPS.

I thought the switch mode power supply adjusts the duty cycle to compensate output changes rather than switch on/off oscillator output ?

bandgap voltage? wouldn't that mean the reference would glow?

But.... I love u 😘

Me: "Switching mode power supply," enter
Me: Scrolls
Me: Yeah lets learn it from nerd Geddy Lee, click.
Love ya Dave.

Thanks sir!

Dave the realest

Great stuff. Dave is a champ!

Excellent even in 2022 lol!!

what a great teacher

weird coincidence, I just watched "Out of Time" movie 10 min ago, and there is that license plate on the shelf... spooky

Gald to learn