Switching power supply and controlling method thereof
A technology of switching power supply and control circuit, which is applied in the direction of control/regulation system, electrical components, and adjustment of electrical variables, etc., which can solve the problems of efficiency drop, output voltage overshoot, output voltage Vout overshoot, etc., and achieve the effect of avoiding overshoot
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The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.
On the basis of the existing switching power supply, the present invention is equipped with a control circuit on the secondary winding of the transformer, and the function of the control circuit of the winding is correspondingly improved, which well solves the light load overshoot and dynamic response in the existing switching power supply The problem of slowness, while improving standby power consumption, and improving the output voltage accura...
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