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Efficiency in LTSpice, 28Vin, 24V/100W out

Category: Datasheet/Specs
Product Number: LTM4712

I'm having trouble determining the efficiency of this power supply because I want to see how many Watts it consumes.

In LTSpice, the Vin is 28V, the Vout is 24V, and I need to deliver 100W so I'm just modeling the load as a 5.76ohm resistor. Power in to the regulator should be V_in*I_in, but my I_in looks like this:

Zooming in I can somewhat see that it seems to switch at 4.4/4.5A, this would mean an efficiency of ~80%, is this correct?

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