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LM5050-2: Can operate 2 external FETs by LM5050-2 to reduce thermal.

Part Number: LM5050-2
Other Parts Discussed in Thread: LM74700-Q1, LM7480-Q1


My customer has already used LM5050-2. However, external FET, connected with LM5050-2, is too hot. So he considers using external FET in parallel. Can LM5050 connect/drive 2 external FETs?   Please advise us any concern.

If LM5050 can connect with 2 FET, could you please advise us any other design consideration?

Thanks and best regards,

  • Hi Hattori,

    Yes, you can parallel MOSFETs for high current usage.

    The only concern would be delay in Turn ON and OFF time of the FETs due to increased Gate capacitance. In case you want faster gate turn ON and OFF, you can consider using LM74700-Q1 , LM7480-Q1 . 

    You can refer to other similar e2e queries: