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Hi there,
I want to calculate the input current of the device TPS54531 for the Input voltage 6.1V, output voltage is3.3V, since the efficiency is not clear, please let me know how to calculate it?
Hi Shashank,
I'm slightly confused about your question. Do you want to calculate the input current or the efficiency?
Usually the input current is tested but not calculated.
The efficiency= Pout/Pin = (Vout*Iout) / (Vin*Iin).
So the input current is related to the output load current.