ON semi has come up with an integrated version of the
> normally-off fet rectifier - useful in orring diode or synchronous
> rectification applications, due to it's self-synchronizing characteristics.
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> Discrete implimentations date back some period of time. Some
> application models in swcadIII posted at:
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IR now has an integrated controller operating on the same principal, for redundant telecom negative bus control. This is one of the few applications where the negative output terminal is not a ground reference, removing the requirement for 'skyhook' power when driving NMos.
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Again, it's digital. Sigh......
RL