Voltage conversion/regulator circuit and method

Electricity: power supply or regulation systems – Output level responsive – Using a three or more terminal semiconductive device as the...

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G05F 140

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active

061571784

ABSTRACT:
A circuit comprising a first voltage shifter, a second voltage shifter and a comparator configured to control a switchable current source. The first voltage shifter may be configured to provide a first reference voltage signal in response to a reference input signal. The second voltage shifter may be configured to provide a second reference voltage signal in response to the reference input signal. The comparator may be configured to control a switchable current source in response to said first and second reference voltage signals.

REFERENCES:
patent: 4158804 (1979-06-01), Butler et al.
patent: 4477737 (1984-10-01), Ulmer et al.
patent: 5087834 (1992-02-01), Tsay
patent: 5280233 (1994-01-01), Poletto et al.
patent: 5982158 (1999-11-01), Schnars et al.

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