Tried something.I wanted to power a 1 Watt Led chip, but I didn't have a Led driver or a constant current source at hand.So I thought that a constant voltage source could also do the job.I used a Dc-Dc stepdown converter MP1584EN which can regulate 4.5V-28V down to 0.8V-20V.It works perfectly and is still better … Continue reading DC-DC Module To Power A 1W LED