Hacker News new | past | comments | ask | show | jobs | submit login

Well it actually is physically equivalent considering: speed * torque = power = voltage * current.

Switching voltage regulators are just gearboxes for electricity.

Maybe you could even say LDOs are kind of like brakes on a car, since they throw away energy as heat to regulate speed.




I don't agree, transformers are more like gears, while switching boost converters are more like impact wrenches.

LDO's as brake yes I see that.

However the analogy is never perfect even if useful.




Consider applying for YC's Summer 2025 batch! Applications are open till May 13

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact

Search: