Led driving apparatus and operating method thereof
A light-emitting diode and driving device technology, which is applied in the field of light-emitting diode driving devices, can solve the problems of large power consumption, large voltage and current, and inaccurate current, so as to avoid inaccurate average current and power consumption Effects of oversized and overheating problems
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[0037] A specific embodiment according to the present invention is a light emitting diode driving device. In this embodiment, the LED driving device is used to drive the LED to emit light, but it is not limited thereto.
[0038] Please refer to figure 2 , figure 2 It is a schematic diagram illustrating the circuit structure of the light-emitting diode driving device of this embodiment. Such as figure 2 As shown, the light-emitting diode driving device 2 includes an output stage OS, an input resistor R IN , the control circuit 20, the clock generator 22, the regulator 24, the first voltage dividing resistor R connected in series with each other 1 , the second voltage divider resistor R 2 and the third voltage divider resistor R 3 .
[0039] Input resistance R IN One end of the coupling input voltage V IN , and the other end is coupled to the regulator 24 . The first voltage divider resistor R 1 , the second voltage divider resistor R 2 and the third voltage divid...
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Abstract
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