OUTPUT POLARITY VARIABLE POWER SUPPLY WITH SYNCHRONOUS BUCK CONVERTER AND METHOD FOR CONTROLLING THEREOF

摘要

The output polarity variable power supply to which the synchronous buck converter according to the embodiment is applied includes MOSFET elements Q1, Q2, Q3, Q4, an inductor (L1), a capacitor (C1) and a load (R1), Q1, Q2, Q3, Q4 are composed of a full-bridge circuit, Q1 and Q2 are connected in parallel, Q3 and Q4 are connected in parallel. L1), a capacitor (C1), a load (R1) and an output current feedback circuit comprising a controller, the capacitor (C1) and the load (R1) of the output current feedback circuit are connected in parallel, the controller is the amount of current required for the thermoelectric element control the supply of