Use of charge pump active discharge

A DC-to-DC voltage converter having an active charge/discharge circuit enabling the definition of any output voltage within its operating range has been achieved. A comparator compares the output voltage of a voltage converter with a defined reference voltage. This reference voltage can be easily mo...

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Bibliographische Detailangaben
Hauptverfasser:	COFFEY ANTHONY, SOMERVILLE ALAN
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS CONTROL OR REGULATION THEREOF CONTROLLING CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION PHYSICS REGULATING SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
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Beschreibung
Zusammenfassung:	A DC-to-DC voltage converter having an active charge/discharge circuit enabling the definition of any output voltage within its operating range has been achieved. A comparator compares the output voltage of a voltage converter with a defined reference voltage. This reference voltage can be easily modified within its operating range. In case the output voltage of the voltage converter is higher than said reference voltage a "reservoir" capacitor at the output of said voltage is discharged via an active charge/discharge circuit until the output voltage equals said reference voltage. Said active charge/discharge circuit is activated via a latch by said comparator. The invention is applicable for any type of DC-to-DC converters, such as e.g. charge pumps, buck converters and boost converters.