On 08/16/2016 06:53 AM, tony duell wrote:
You can of course do it with older technology too. The
PDP11/44 PSU
and the HP9845 PSU spring to mind. A lot of ICs, chopper transistors,
etc in there.
Sure, it's possible to use the veneered-and-generated LM723 as an
element of either a linear or switching regulator. Part of the original
app notes for the thing, IIRC.
--Chuck