TPS74801: -

Jeevan Sidharth G

Part Number: TPS74801

Hi,

Will it make any difference if I place the voltage divider connected to the Feedback after the capacitor (noise reduction)?

Regards,

Jeevan

9 months ago

0 Erin Thibeault 9 months ago

TI__Expert 6570 points

Hi Jeevan,

Moving the capacitor before the feedback loop will have impact LDO noise.

Increasing the capacitance of C2 could have a small impact on noise, however, adding an additional capacitor, in parallel with R1 (feed forward capacitor or C_FF), can reduce high frequencies noise per the app note: Pros and Cons of Using a Feedforward Capacitor.

BR,

Erin

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TPS74801: -