[Current Regulator] Final Prototype and ESR considerations

Introduction First news the final prototype is working, with all modifications done. 2 days before receiving my Chinese LED the light bulb of my desktop magnifier died in some mysterious ways, simple coincidence or an Enigma of the Mystical… We will never know ;) By the way my LED current regulator seems to be right […]

[Current Regulator] Troubleshooting (en) [Updated]

Hello, Update 2: Even with a Totem-pole there was some problems… After some investigation I was hit by the truth, NEVER FORGET COUPLING CAPACITOR… The first schematics is almost correct, I just need to add some big capa on the VCC, in fact the current on the first switch was too high and put the […]