2
votes
3answers
502 views

How to adjust the voltage of this SMPS?

I bought this kind of module for my led light project. Unfortunately it did not come with instructions. It can be found from eBay with "3.5-28V to 1.25-26V DC-DC Converter Boost Buck Step Up Step ...
7
votes
4answers
862 views

Different ways to digitally control an adjustable SMPS

I want to make a battery powered, adjustable SMPS for use in situations when I cannot have an outlet near me, so I would like some more information or suggestions about this topic. The SMPS chip I am ...
0
votes
3answers
393 views

Using a digital potentiometer with a SMPS?

Is it possible to use a digital potentiometer with an SMPS, to adjust the voltage? I'm looking at one with a 2 MHz -3dB bandwidth. What does this mean for a 300 kHz switcher?