I am looking to build a high amperage LED Driver circuit like the examples in this datasheet below. I would be looking to make a 2A -> 20A driver so I will need a decent power supply to go AC/DC first. I do not understand how/where the drivers draw the 20 Amps. I am just starting the ebook now l
Is it off -12v? I don't think its supposed to be off the logic voltage?
If I were to run off a 60A 12v Switching power supply -> LED Driver I would need a -12v rail with sufficient amps? Or a different IC with postive voltage?
http://www.national.com/ds/LM/LM3433.pdf
Is it off -12v? I don't think its supposed to be off the logic voltage?
If I were to run off a 60A 12v Switching power supply -> LED Driver I would need a -12v rail with sufficient amps? Or a different IC with postive voltage?
http://www.national.com/ds/LM/LM3433.pdf