Lutron Electronics Company, Inc.

Lutron Technology Company LLC

Nicholas A Hoerter

Mark Stephen Taipale

Venkatesh Chitta

Thomas M Shearer

Matthew W Nuhfer

Kartik Iyer

Mark S Taipale

A load control circuit, such as a light-emitting diode (LED) driver, for controlling the amount of power delivered to an electrical load, such as an LED light source, comprises a regulation transistor adapted to be coupled in series with the load, and a feedback circuit coupled in series with the regulation transistor, whereby the load control circuit is able to control the magnitude of a load current conducted through the load from a minimum load current to a maximum load current, which is at least approximately one thousand times larger than the minimum load current. The feedback circuit generates at least one load current feedback signal representative of the magnitude of the load current. The regulation transistor operates in the linear region to control the magnitude of the load current conducted through the load in response to the magnitude of the load current determined from the load current feedback signal.

Closed-loop load control circuit having a wide output range

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Emmaus, PA, United States of America

Nicholas A Hoerter