Any ideas on how to get 3.3V from 5V - 35V at a low 10mA current level? 3.3V need not be precise. It can be 3.5V or 3V, it is powering a small microcontroller.
I'm looking for a small and cost effective solution. That pretty much rules out through hole stuff.
Answer
Use a linear regulator that can handle 5V to 35V input. It outputs 3.3V.
It is that simple. You can use a buck regulator, if efficiency is an issue. but 10mA at a 35V drop is still only a 350mW dissipation.
I suggest the linear, keep components/complexity/noise down.
No comments:
Post a Comment