When TL494’s in a dcdc my attention …. 30 volt power supply voltages from 1 to 20 .. 5 amps of current settings can be made. Also used in many applications LM2576T ADJ (adjust) made ​​with integrated dcdc 1... Electronics Projects, Adjustable Switch Mode Power Supply 30V 5A DC to DC TL494 LM2576T "dc dc converter circuit, power electronic projects, tl494 circuit, " Date 2019/08/03