LED Strip Light with Switch Power Supply Adapter

Ultra Thin Switch Power Supply Introduction:

The working principle of Switch Power Supply mainly has the following steps:

1. AC power input: Converts AC power into DC power through rectification and filtering.
2. High frequency PWM signal control: Use high frequency pulse width modulation signal to control the switching tube, the direct current supply to the switching transformer primary.
3. Voltage transformation: The switching transformer secondary induction of high frequency voltage, after rectification and filtering to supply load.
4. Feedback control: The output part is fed back to the control circuit through a certain circuit to adjust the PWM duty cycle to achieve the purpose of stable output.

Switch Mode Power Supply main features:

• Small size, light weight: because there is no power frequency transformer, the volume and weight is only 20 to 30% of the linear power supply.
• Low power consumption and high efficiency: the power transistor works in the switching state, so the power consumption on the transistor is small, and the conversion efficiency is high, generally 60 to 70%, while the linear power supply is only 30 to 40%.
• Simple structure, high reliability: easy maintenance, current ripple rate can be easily achieved relatively low.

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