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Problems to be solved in the development of switching power supply

1： Serious switch interference

In the switching power supply, the power regulating switch will produce some AC voltage and current that have interference effect on other components. These interferences are very serious and must be suppressed and eliminated. Otherwise, it will have a serious impact on the work of the whole machine and even cause it to fail to work.

2： Technical level

At present, there is still a certain gap between China's microelectronic technology, resistance and capacitance device production technology and other advanced countries