PSRR profile across frequency
The power-supply rejection ratio is specified at 80dB from 10Hz, rolling off to 50dB at 100kHz. That tells the designer where the regulator attenuates input ripple: strong rejection in the audio and line-frequency range, with moderate rejection through the switching-regulator band. If the upstream supply is a noisy DC-DC converter switching at 500kHz, the rejection at that frequency will be lower than the 50dB floor — the PSRR curve in the datasheet shows the full frequency response.
The TLV7111333DDSER is listed as Active on the lifecycle record with RoHS3 compliance. No last-time-buy or obsolescence notice is attached — the part is current production and available for new designs.
