13.8V 40 Amp “switch mode power supply” SMPS circuit ATX power supply structure was inspired by a more powerful version could be called the primary solid in the driver transistors, BJTs instead of MOSFETs used driver transformer the etd29... Electronics Projects, ETD59 TL494 13.8V 40A Switch Mode Power Supply "power electronic projects, smps circuits, smps projects, smps schematic, tl494 circuit, " Date 2019/08/03