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LP5907: PSRR data

Cera Wei
Intellectual 2010 points

Part Number: LP5907

Hi Team,

In datasheet,  PSRR  is show base on  VIN = VOUT(NOM) + 1 V condition. While my use case is VIN=VOUT(nom)+ 0.3V, VIN=3.6V, VOUT =3.3V , Ioad =70mA. Do you have PSRR data of this use case? thanks!

Regards,

Cera

  • 0
    TI__Guru 50025 points

    Hi Cera,

    I found some more PSRR data that is much closer to the customer's application. See attached. 

    PSRR will not change much by increasing both VIN and VOUT by 0.3V because the proximity to dropout is what is more important, so they can use this data to get a very good approximation for their own application. 

    LP5907 PSRR.zip

    Regards,

    Nick