Re: Switching Regulator for Audio Amplifier



Jan Panteltje wrote:

On a sunny day (Mon, 15 Sep 2008 16:24:24 +0100) it happened Eeyore
<rabbitsfriendsandrelations@xxxxxxxxxxx> wrote

Unless I've confused it, STM is about to obsolete its DMOS IC amps though.

Graham

Well, the future..
It is listed on the ST site,
http://www.st.com
and can be orderded, pressing 'Purchase' will show what is available around the world.
http://www.st.com/stonline/products/literature/ds/1057/tda7294.htm

A google search for 'end of life DMOS stm' fund no real links.
You have shares in national????

I would swear it said not recommended for new designs. I noticed because ages ago I recommended it to a
sub-contactor who was building us a powered stage monitor and I like to keep track of these things.

Actually they did a rail switching version of it (Class H) to keep the heat (and transformer size)
down. That was neat. See Fig 18 on the data ***.

Graham


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