TL494 1200W Switching Power Supply for Power Inverter | Regulated 12-320V DC DC Boost Converter | Electronic circuit projects, Power inverter, Circuit diagram
High power adjustable switching power supply (SMPS) 3-60V 40A
Electronic spices Plastic 150 W 12-220V AC Inverter Circuit Board at Rs 190/piece in Delhi
Many circuits: HOW TO MAKE SMPS FERRITE TRANSFORMER (CHOPPER)
How to Make a Power Inverter 12V to 220V - YouTube