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Re: ADSP-21489 1.1V and 3.3V switching regulator options

Question asked by snoopy on Jan 11, 2012
Latest reply on Apr 25, 2012 by Guillaume
Branched from an earlier discussion

Hello Mitesh

 

Sorry if I didn't make myself clearer. I am designing a new board from scratch so I am using some of the ideas from the EZ board. I was toying with the idea of using a 24V center tapped transformer supply (plus regulators) to drive both the analog and digital sections instead of a 5 Volt regulated supply.

 

If I use a 12 Volt supply to drive the 1.1V and 3.3V switching regulators would I have to increase the value of the 2.5uH switching inductors ??

 

regards

david

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