Multipath direct current power supply circuit
A DC power supply and circuit technology, which is applied in the direction of lamp circuit layout, electric light source, lighting device, etc., can solve the problems of large power loss, large volume and low current sharing efficiency of the current sharing transformer
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[0037] Hereinafter, the implementation of the multi-channel DC power supply circuit in the embodiment of the present invention will be described in detail in conjunction with the accompanying drawings.
[0038] In the first multi-channel DC circuit, the circuit includes: an AC source and at least two power supply branches; wherein, the first output end of the AC source is connected to the first input end of each power supply branch through a common capacitor; the second The two output ends are connected to the second input end of each power supply branch.
[0039] Each power supply branch can include: a diode connected in series and a filter capacitor, the cathode of the diode is connected to the filter capacitor, wherein the anode of the diode is used as the first input end of the power supply branch, and the end of the filter capacitor that is not connected to the diode is used as The second input terminal of the power supply branch circuit; also includes a common diode, the...
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