Led flood light isolation power supply is to use a transformer to reduce the 220V voltage to a lower voltage through the transformer, and then rectify it into a DC output for the computer to use. Because the main coil of the transformer withstands 220V voltage, the secondary coil only withstands the output low AC voltage, and the primary and secondary coils are not directly connected, so it is called an isolated power supply.
The non-isolated power supply of the LED flood light is directly input to the electronic circuit with 220V, and the output is stepped down through the electronic components, and the input and output are directly connected through the electronic components, so it is called a non-isolated power supply.
The LED flood light isolation type drive is safe but the efficiency is low, and the non-isolation type drive efficiency is higher.
The advantages of the isolated power supply of LED flood light are: it will not pose a threat to the human body, the wide voltage performance is very good, and the non-isolated one is now very mature. The voltage range is slightly worse than the isolated one, and the voltage range is between 110V-300V, while The isolated power supply can achieve 60-300V. The high and low currents are very uniform.
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