[sdiy] get 5V from 12V - DC-DC converter or 7805?

[Richie Burnett]

Sounds like you'll be best to use an LDO regulator then. But you can't regulate a 5.0v output from a 4.9v (nominal 5v) input! 

-Richie,

Sent from my Xperia SP on O2

---- Florian Anwander wrote ----

>Hi Richie
>
>Am 28.12.20 um 12:33 schrieb Richie Burnett:
>> You could always run the LCD backlight from the 12V supply through a suitably rated current limiting resistor.
>>
>I did a bet with myself whether this reply will come ;-)
>
>The PCB is designed to run under different supply conditions: +12 
>eurorack, +5V eurorack, +8 - +12V wallwart, maybe even batteries. That 
>is why I don't have a defined "high power"-supply for the backlight, and 
>why I have to use the +5V which is the same for all kinds of supply.
>
>Florian
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