What is a switching constant current source?

Switching constant current source

Using a transformer to change high voltage to low voltage, and rectifier filtering, in order to output stable low voltage DC. Switching constant current source is divided into isolated power supply and non-isolated power supply, isolation is the output of high and low voltage isolation, security is very high, so the shell insulation requirements are not high. Non-isolated security is slightly worse, but the cost is also relatively low, the traditional energy-saving lamps is the use of non-isolated power supply, the use of insulated plastic shell protection.

Switching power supply security is relatively high (generally low voltage output), stable performance, the disadvantage is that the circuit is complex, high prices. Switching power supply technology is mature, stable performance, is currently the mainstream power supply for LED lighting.

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