For a 30W output driver, for reference we are using DER314. But we have some questions:
1 - In place of L1 and L2 we try to use a comonn mode inductor 20mH, but it doesnt work well. The leds have some flikering. I see in all of your dimmable desing you dont use common mode choque. Separeted inductors at AC input are better?
2 - for this power, 30W, we used a 220nF bulk capacitor, adjust R8 to 68ohms Do you have any experience in 30W or more dimmable designs at the damper circuit?