Isolated voltage regulator

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estratos

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I'm designing a circuit where 3.3VDC (less than 100 mA) need to be generated from an existing 5VDC. I'd typically use a LDO for this purpose but this time I need that both voltages were isolated.

Which is the simplest way to accomplish this?

Thanks!

Daniel.
 

You can buy isolated DC-DC converters which will do the job. No need to design your own.

Keith
 

Thanks Keith.

TES 1-0510V could do the trick. A bit erxpensive though (> USD 9)

Regards,

Daniel.
 

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