Texas Instruments encourages the use of the TPS62730 step-down converter with bypass mode along its RF devices. Does this mean :

  • its noise is low enough not to affect RF ? Thus being a more efficient solution than an LDO ?
  • using 3.0-3.6V devices and a 3.0-4.2V battery, the converter could be bypassed when battery hits 3.6V and efficiency would become 100% ?

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