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UCC28180: UCC28180D

Part Number: UCC28180
Other Parts Discussed in Thread: TIDA-00779, UCC27524, UCC27531

Dear TI Team,

                      We are working on the PFC of 3.5kW as per same TIDA-00779 design. Now we are doingTesting of PFC as per your guide lines depicted in TIDA-00779, During our initial testing PFC switched on 90VAC@4.5A of Initial input current with no load, then we increased our AC line voltage into 120VAC switched ON PFC at that time the initial input current was 6.5A with no load. after this we are trying with 150VAC line Volatge the MOSFET got short and DriverIC ucc27524 also got fault at that time the initial input current was >20A.

Kindly suggest the solution for the above.

Thanks 

Ganesh.