LED synchronous rectifying circuit
A technology of LED circuit and synchronous rectification, which is applied in the direction of electric light source, electrical components, electroluminescent light source, etc., can solve the problems of low photoelectric conversion efficiency of LED, decrease of LED efficiency, large heat generation of LED, etc., so as to prolong life and reduce heat , the effect of improving efficiency
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[0015] Preferred embodiments of the present invention will be described in detail below.
[0016] A LED synchronous rectification circuit, comprising an EMI filter, a rectification circuit, a converter, an LED circuit and a pulse control circuit, the output end of the EMI filter is connected to the rectification circuit, and the outlets of the rectification circuit are respectively connected to the converter and the The pulse control circuit is connected, the converter is connected in series with the LED circuit, the LED circuit is connected in series by several LED lamp groups, the LED lamp group is connected in parallel by several diodes, and a linear constant current is connected in series at the end of the LED circuit circuit, the linear constant current circuit is connected between the rectification circuit and the pulse control circuit.
[0017] Among them, the function of the EMI filter is to allow the frequency signal when the equipment is working normally to enter the...
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