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TPS55330: Efficiency at DCM Vin=7.4V, Vout=12.5V

Hirokazu Takahashi
Expert 8420 points
Part Number: TPS55330

Dear support team

I measured the efficiency with TPS55330EM at different inductance. Please see the attached file.
As my measurement result, the efficiency with smaller inductance is better at DCM.
Could you let me know the reason why the efficiency with smaller inductance is better at DCM.

Best Regards,
Hirokazu Takahashi

Vin=4.5-9.5V TPS55330 (2019 07 23).pdf