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OPT8241-CDK-EVM: Use of HF-LDO

The Bernd
Prodigy 60 points

Part Number: OPT8241-CDK-EVM

Hi,

I have yet another question (sorry).

Is there any specific reason, why the low ripple ldo's of the TPS659122 remain unused? Shouldn't they be a better choice for e.g. VCC_LDO_1V8?

Thx,

Bernd

  • 0
    TI__Expert 3800 points
    Hi Bernd,

    We made choice of LDOs depending on the value of the default voltages, etc. You make a good point that using the low ripple LDOs would be a better idea. We just ensured that the default voltages would not be higher than the specified voltage of the rail.
    There was no intention to specifically avoid the low ripple LDOs.

    Regards,
    Subhash