migration from LinkSwitch-PH to LYTSwitch-4

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I've designed a CC isolated dimmable led driver with LNK409 device, performing 2 different output power (15W-30W) selectable via Ifb resisitor. Since this device is no more recommended for new designs, in the future I want to migrate to LYTSWITCH-4 family. Which are the major Tips I've to consider in new design? Just for start to test new device can I start from old schematic changing the device, transformer, and few other components?

thank you for answering