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Help for designing 110V DC output /220W SMPS with PFC

Sreenivasan M
Prodigy 80 points
Other Parts Discussed in Thread: UCC35706, UCC25600

Input : 170 V AC to 265 V AC 50Hz

Output: 110V DC ,2A

Device Selection : ucc35706

With Flyback topology Input MOSFET becomes very HOT(Even with forced cooling),shall I go for Forward topology?