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Hello
Would you tell me LDO noise at TPS65053?
If LDO1,2,3 spec is different, please let me know each spec.
Best regards,
masa
Hello Masa,
Noise rejection from the power supply is spec'd in the datasheet. Noise caused by the internal circuitry of the IC is not spec'd but, can be observed on the output of the LDO at all times. Please find this app note: http://www.ti.com/lit/an/slyt201/slyt201.pdf
The PSRR graph for LDO1 is shown in the datasheet on page 11.