TOP249Y SMPS circuit audio amp. From the derived parameters of the sources in the previous paragraphs, we can now choose a control circuit of switching power supply. According to the required output power we have to choose between the... Electronics Projects, 2X30V 250W Audio Amplifier SMPS Power Supply TOP249Y "power electronic projects, smps circuits, smps projects, smps schematic, " Date 2019/08/04