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Why must the LED fluorescent lamp power supply have a constant current?

The semiconductor characteristics of LEDs determine that they are greatly affected by the environment. For example, temperature. LEDs are current-sensitive components. The increase in LED current will directly lead to increased heat generation. Long-term operation above the rated current will cause the LED chip to stay in a high temperature state for a long time. Shorten the life of the LED. The LED constant current power supply can ensure that its working current remains the same when the voltage and other factors change, thereby protecting the LED chip from high temperature damage. As the saying goes-the power supply is easy and easy to destroy.