[sdiy] Phantom power generation

[Tim Ressel]

I looked at that very chip thanks to web bench. Was the output clean 
enough? The Mic pre is going to have mondo gain.

--TimR


On 6/21/2016 2:24 AM, Steve Lenham wrote:
> 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.
>
> HTH,
>
> Steve L.
> Benden Sound Technology
>
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-- 
--Tim Ressel
Circuit Abbey
timr at circuitabbey.com