Hi Florian,

> It does not matter whether the 5V supply eats from the total power via a
> separate rail

It matters because every power supply can handle only a maximum level of
current.

> The usage of switching power supplies was often discussed in this group.
> Final result: it cannot be recommended. For more details please consult
> the web-archive of the mail list.

If there has been a final result it cannot be questioned, of course! :P

Joachim

Am 12.11.2010 10:33, schrieb Florian Anwander:

> Hi Joachim
>
>> 2. Pump up the +12V to handle the additional current.
> It does not matter whether the 5V supply eats from the total power via a
> separate rail or from the +12V rail. 2nd main sentence of
> thermodynamcis: "the sum of all energy in a systems stays always the
> same". You may be able to change capitalism or the catholic church or
> the behaviour of a small synth producer - but you cannot change the laws
> of nature ;)
>
>> Btw. if you would use something like the Meanwell T60B or the Taco TXL
>> 060-0522TI you could have +5V AND make the power supply cheaper. Then no
>> one would complain to pay more for the +5V supply.
> The usage of switching power supplies was often discussed in this group.
> Final result: it cannot be recommended. For more details please consult
> the web-archive of the mail list.
>
> Florian
>
>
> ------------------------------------
>
> Yahoo! Groups Links
>
>
>
>