>I'm designing a RF module using a transciever which need a very stable
>supply for the VCO and PLL. The requirements are: availability (US),
>smallest size (SOT23, SC70), low noise and high PSRR at around 2.8V
>output and less than 100mA load.

Sounds like you are after a regulator designed for LNB use. I know Linear
Technology have some, but I don't have part numbers off hand. Look through
their app notes for examples.

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