Voltage regulators (was Nerding out with termcap)

[lee davison]

> I imagine it's tricky to get 12V out of 11V (say) whilst able
> to deliver enough current to keep a disk spinning (say). Of
> course I'm sure it's been done, I've just not seen published
> details of schematics etc. anywhere before!

The topology you're looking for is SEPIC, single-ended primary
inductance converter. With a SEPIC convertor the input voltage
range can overlap the output voltage.

Cheers,

Lee.











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