Talking about the working principle of electronic transformer

Electronic transformer is a switching regulated power supply. It's actually an inverter. First, alternating current is converted into direct current. Then, the oscillator consists of electronic components. The required voltage is output through the switching transformer, and then rectified and used by the power supply. Switching regulated power supply has the advantages of small size, light weight and low price, and is widely used in various electrical appliances. The principle of switching regulated power supply is complicated. Please search for "the principle of switching regulated power supply" on Baidu website for a lot of information.