Adam,

of course the HV540 is worth a look for that purpose. Because we produce a
whole bunch of different remote controls and receivers we already use the
HV540 on some other designs. The only problem with it is its price. It is
about $2.0 at medium volumes. 1 to 5k pcs. As one of our suppliers explained
us, that chip is a modified version of the 1st 16C54 core based on 1.2
micron technology. Additionally it seems to be bondered together with a
regulator in the same plastic but not integrated on silicon. This makes it
that expensive we have been told.

Germain

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