LED DRIVER

A circuit comprising an LED light source and a power supply arranged to power to the LED light source, said power supply comprising: an AC/DC converter arranged to convert an AC voltage into a DC voltage; a power converter comprising a transformer (123) and a power factor corrector, wherein the powe...

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Hauptverfasser:	KHETARPAL, Rohit, TRIPATHI, Ajay, MIN, Young-Kee, NARASIMHAN, Raghuram, CLAUBERG, Bernd
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY SEMICONDUCTOR DEVICES
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creator	KHETARPAL, Rohit TRIPATHI, Ajay MIN, Young-Kee NARASIMHAN, Raghuram CLAUBERG, Bernd
description	A circuit comprising an LED light source and a power supply arranged to power to the LED light source, said power supply comprising: an AC/DC converter arranged to convert an AC voltage into a DC voltage; a power converter comprising a transformer (123) and a power factor corrector, wherein the power factor corrector is arranged to control the transformer to generate a regulated power from the voltage provided by the AC/DC converter, and to supply the regulated power to the LED light source, the regulated power including a LED light source voltage and a LED light source current; a voltage sensor arranged to provide a sensed voltage indicative of a magnitude of the LED light source voltage, a current sensor arranged to provide a sensed current indicative of a magnitude of the LED light source current, and a feedback controller arranged to provide a feedback signal to the power converter based on the sensed voltage and sensed current; wherein the generation of the regulated power is controlled by the feedback signal.
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a power converter comprising a transformer (123) and a power factor corrector, wherein the power factor corrector is arranged to control the transformer to generate a regulated power from the voltage provided by the AC/DC converter, and to supply the regulated power to the LED light source, the regulated power including a LED light source voltage and a LED light source current; a voltage sensor arranged to provide a sensed voltage indicative of a magnitude of the LED light source voltage, a current sensor arranged to provide a sensed current indicative of a magnitude of the LED light source current, and a feedback controller arranged to provide a feedback signal to the power converter based on the sensed voltage and sensed current; wherein the generation of the regulated power is controlled by the feedback signal.</description><language>eng ; fre ; ger</language><subject>BASIC ELECTRIC ELEMENTS ; ELECTRIC HEATING ; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ; 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a power converter comprising a transformer (123) and a power factor corrector, wherein the power factor corrector is arranged to control the transformer to generate a regulated power from the voltage provided by the AC/DC converter, and to supply the regulated power to the LED light source, the regulated power including a LED light source voltage and a LED light source current; a voltage sensor arranged to provide a sensed voltage indicative of a magnitude of the LED light source voltage, a current sensor arranged to provide a sensed current indicative of a magnitude of the LED light source current, and a feedback controller arranged to provide a feedback signal to the power converter based on the sensed voltage and sensed current; wherein the generation of the regulated power is controlled by the feedback signal.</abstract><oa>free_for_read</oa></addata></record>
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subjects	BASIC ELECTRIC ELEMENTS ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY SEMICONDUCTOR DEVICES
title	LED DRIVER
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