Switching power supply is referred to as SMPS, also known as switching power supply and switching converter. Its function is to convert a level of voltage into the voltage or current required by the user through different forms of architecture. The input of the switching power supply is mostly AC power (such as mains power) or DC power, and the output is mostly equipment that requires DC power, such as personal computers. The switching power supply converts voltage and current between the two.
1. Small size and light weight: Because there is no power frequency transformer, the volume and weight are only 20-30% of the linear power supply. 2. Low power consumption and high efficiency: The power transistor works in the on-off state, so the power consumption on the transistor is small and the conversion efficiency is high, generally 60 ~ 70%, while the linear electric power supply is only 30 ~ 40%.
Switching power supply products are widely used in industrial automation control, military equipment, scientific research equipment, LED lighting, industrial control equipment, communication equipment, power equipment, instruments, medical equipment, semiconductor cooling and heating, air purifiers, electronic refrigerators, liquid crystal displays, LED Lighting, communication equipment, audio-visual products, security monitoring, LED strips, computer cases, digital products and instruments.