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WEBENCH® Tools/LM25141: LM25141 efficiency disconnect between datasheet and Webench simulation

Part Number: LM25141

Tool/software: WEBENCH® Design Tools

Hi,

I have a question about the efficiency at light loads and see a discrepancy between the datasheet curves/numbers and the Webench simulation. Which one best reflects the actual performance of the part? We are planning on having:

Vin: 4.5-36V

Vout: 3.8V

Iout: 7A

Although these numbers are slightly different from the datasheet I should expect the curves/numbers to be roughly similar.