Air purifier is mainly composed of motor, fan, air filter and other systems, its working principle is: The motor and fan in the machine make the indoor air circulation flow, the polluted air through the air filter in the machine after the removal or adsorption of pollutants, the air is constantly ionized, producing a large number of negative ions, which are sent out by the breeze fan, forming negative ion airflow, to achieve the purpose of cleaning and purifying the air. With the improvement of people's living standards, more and more people realize the importance of clean air for good health. In order to improve the increasingly serious air environment, air purification products have become a popular product category in home appliance stores, among which air purifiers are favored by users as an effective tool to improve indoor air environment.

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HV MOS：

VDS=650V-700V   Ron@10V（max）=360mΩ-1100mΩ  

Synchronous rectification MOS：

VDS=100V-150V     Ron@10V（max）＜10mΩ