[sdiy] Phantom power generation

Steve Lenham steve at bendentech.co.uk
Tue Jun 21 11:24:52 CEST 2016

On 21/06/2016 07:59, Tim Ressel wrote:
> Hi,
> I need to make phantom power from 12 volts. Anybody got a kewl circuit?
> Thanks!
> --Tim Ressel

Take a look at the TI LM5002 high-voltage boost converter chip. I've 
used it for exactly that purpose in a production design. The datasheet 
has almost the circuit you need on p15; you just need to tweak it 
slightly for the lower input voltage, and the Webench tool on TI's 
website will probably do that for you.


Steve L.
Benden Sound Technology

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