I'm designing a 85-275VAC 18V/4.2A (75W) isolated, non-dimmable, CC led driver using LNK420.
1. Is RM10 core suitable for this design?
2. Can I prefer RDR-195 based schematic instead of RDR-290 because of the complexity?
3. If RDR-290 based schematic choosen, how should I configure the transformer and bias parts? I couldn't use the PI Expert for the RDR-290.
Thanks for your helps,