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TPS61299EVM-103: Incorrect behavior under light load conditions

Wouter Kragt
Intellectual 1830 points
Part Number: TPS61299EVM-103

Hi team,

A customer is looking into the TPS61299EVM.

The EVM is operated under the following conditions:

  • Input voltage: 1.0V
  • Output voltage: 3.6V
  • Load current: approximately 10uA
  • The EVM is operated in PFM mode.

At the input, peaks of 40mA are measured, which is too high for the application.

I think that the EVM is not made for such low load currents, what can be done to prevent these peaks from happening?

Kind regards,

Wouter Kragt