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The disavantage and advantages of switching power supply
- Jun 13, 2018 -


The disavantage and advantage of switching power supply


Advantage:small size ,light weight.(the size and the weight only about the linear power supply 20-30%),high efficiency(usually the efficiency is 60-70%,but the linear power supply only 30-40%),Strong anti-interference,Wide output voltage, modular.


Disavantage:because of high frequency voltages are generated in the inverter circuit.It has an impact on the surrounding devices.Good shielding and grounding is required.But due to the change of ac voltage and load current.The dc voltage obtained after rectification usually causes a 20% to 40% voltage change.In order to get the stable dc voltage,the stable voltage circuit must be adopted to realize the stable voltage.