[sdiy] Transformer question

[Seb Francis]

You can just make it into a single +12V 1A power supply if you want.  
Just full wave rectifier with 2 diodes.  The centre tap is your 0V.

You'll need a largish heatsink because your regulator will be 
dissipating Voltage Drop * Current watts of heat.

Seb



Karl Ekdahl wrote:
> Hi list. I have a transformer that's 15V-0-15V @
> 500mA, now i could easily make a +-12V @ 500mA supply
> out of this but i don't need a negative rail - what i
> do need is current. So, could i make this into two
> separate +12V supplies @ 500mA each? I'm thinking that
> the power and heat generated should be the same, no? 
>
> Thanks
>
> Karl
>
>
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