Color temperature adjustment LED lamp
An LED lamp and color temperature technology, applied in the field of lighting, can solve the problems of large overall power supply, high cost, low power supply efficiency, etc., and achieve the effects of low cost, convenient operation, and overall compactness
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[0036] The present invention provides an embodiment of the current limiting circuit 454 and the overvoltage protection circuit 455,
[0037] The current limiting circuit 454 includes a resistor R3 connected to the CS terminal of the IC controller; the overvoltage protection circuit 455 includes a resistor R4 connected to the ROVP terminal of the IC controller.
[0038] The present invention provides an embodiment of the fuse circuit 42, the rectifier circuit 43, and the filter circuit 44. The fuse circuit 42 includes a fuse F1. If the following circuit fails, the fuse F1 will blow out to cut off the power supply and protect the entire circuit; the rectifier circuit 43 includes The rectifier bridge composed of four diodes converts the input AC power into DC power; the filter circuit 44 includes a filter capacitor C1 to filter the voltage of the input DC power.
[0039] The present invention provides an embodiment of the output circuit 46. The output circuit 46 includes a controlled sw...
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