RCC circuit with delay starting function
A technology of delay start and start circuit, applied in the field of power electronics, can solve the problems of non-monotonous output voltage and abnormal chip operation, and achieve the effect of reducing the input surge current and increasing the voltage threshold
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[0017] Embodiment 1. An RCC circuit with delayed start function, which is the same as the current common practice: it is composed of a start circuit, a power conversion circuit, a drive circuit, a switch control circuit and an output ballast filter circuit; a start circuit It is composed of resistor R1; the power conversion circuit is composed of N1 winding of transformer T1, switching transistor Q1 and resistor R5 in series. The end of the transformer T1 is connected to the input positive line, and the other end of resistor R5 is connected to the input return line; the drive circuit is composed of resistor R3, The resistor R4, the capacitor C2 and the N2 winding of the transformer T1 are composed. After the resistor R4 and the capacitor C2 are connected in parallel, one end is connected to the resistor R3, the other end is connected to the end of the same name of the N2 winding of the transformer T1, and the other end of the resistor R3 is connected to the base of the switching ...
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