Selection of Frequency in Switching Regulator

by Brethlosze   Last Updated October 19, 2019 20:25 PM

The AD ADP5070 for feeding a low noise amplifier and a 24 bit ADC, can be regulated at two pin selectable frequencies: 1.2MHz or 2.4MHz, accepting an external oscillator in the range 1 MHz to 2.6MHz.

This regulator should work from +15V into +-16V 50mA.

In order to probably reduce the noise, which one of these selection should I pick?

Or is this selection not particularly relevant?

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