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TPS659037 SMPS efficiency

prachi panse1
Intellectual 980 points
Other Parts Discussed in Thread: TPS659037

Hi,

The TPS659037 datasheet shows the efficiency curves for Vin = 3.8V. I need to know the efficiency values for input voltage of 5V. Can you please tell me how I can estimate the efficiency with Vin = 5V? Will the efficiency be better with higher Vin?

Regards,

Prachi

  • 0
    TI__Genius 16410 points
    Hello Prachi,

    Efficiency is very similar across input voltage, so you can use the 3.8Vin data to estimate 5Vin condition. Above 500mA load current, they will be within ~0.5% of each other. Below 500mA, they diverge slightly, but will be within a few percent.

    Regards,
    Karl