I get a good chuckle over TI's use of the TPS prefix in their regulator lineup. I have the cover sheet for the TPS54310 data sheet pinned up on my cube wall. Bill Lumbergh would have loved this - a genuine TPS report.
In a low-level analog environment the LDOs keep the supply nice and clean. Swiitchers on the other hand scream like a banshee. Just try scope probing those little analog signals with that switcher howling away.
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