Tool/software:
Dears
Customer design Dual-Phase buck, there have some question for circuit design
1. How to connect FB pin of secondary, Is it connected to the PFM/SYNC pin of primary?
2. How to chose value for CCOMP RCOMP CHF of EXTCOMP pin.
3. Why Dual-Phase topology FB connects Vout, but single-phase connection VDDA.
4. How to design PG/SYNCOUT pin circuit of secondary.