DC-DC down-converter with time constant comparison regulation system

A voltage converter device includes a voltage regulator having a supply terminal for receiving a supply voltage and an output terminal for providing a regulated voltage. A voltage multiplier is for receiving the regulated voltage and providing a boosted voltage higher in absolute value than the regu...

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Bibliographische Detailangaben
Hauptverfasser: UCCIARDELLO CARMELO, CONTE ANTONINO, MAMMOLITI FRANCESCONINO, MICCICHE MARIO
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:A voltage converter device includes a voltage regulator having a supply terminal for receiving a supply voltage and an output terminal for providing a regulated voltage. A voltage multiplier is for receiving the regulated voltage and providing a boosted voltage higher in absolute value than the regulated voltage. The voltage multiplier includes circuitry for providing a clock signal that switches periodically between the regulated voltage and a reference voltage, and a sequence of capacitive stages that alternately accumulate and transfer electric charge according to the clock signal for generating the boosted voltage from the regulated voltage. The voltage regulator includes a power transistor and a regulation transistor each having a first conduction terminal, a second conduction terminal and a control terminal.