Adjustable-color-temperature dimmable LED (light emitting diode) driving circuit
A technology of LED drive and color temperature, applied in the field of lighting, can solve the problems of complex circuit structure, cumbersome control methods, and low utilization rate of the circuit system, and achieve the effects of simple circuit structure, reduced implementation cost, and simplified control scheme
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[0028] Several preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention is not limited to these embodiments. The present invention covers any alternatives, modifications, equivalent methods and schemes made on the spirit and scope of the present invention. In order to provide the public with a thorough understanding of the present invention, specific details are set forth in the following preferred embodiments of the present invention, but those skilled in the art can fully understand the present invention without the description of these details.
[0029] refer to Figure 3A , which is a functional block diagram of a dimmable and adjustable color temperature LED driving circuit according to the first embodiment of the present invention. In this embodiment, a dimmable and adjustable color temperature LED driving circuit 300 is used to drive an LED lighting device 301 composed of thr...
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Abstract
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