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How to Choose a Power Supply
2020-06-08
In order to choose the right led power supply china, you need to understand some important basics.

Smarts Electronics' power supplies are divided into many types. They meet all your power needs from wall adapters and desktop power supplies / enclosed AC-DC power supplies and dimmable power supply. No matter which kinds of led power supply requirements you choose, you can rest assured that you will get a high-quality product suitable for your project.


cheap led power supply


The cheap led power supply uses an AC input (usually 120VAC or 240VAC), uses a transformer to reduce the voltage, and then rectifies and filters the input to a DC output.

The switching power supply uses AC input, but it is first rectified and filtered to DC, and then converted back to AC at a higher switching frequency, then reduced the voltage through the transformer, and then rectified and filtered to DC output.

The difference between linear and switching processes is that they allow the use of different components. Linear led power supply types are generally less efficient, requiring the use of larger, heavier transformers and larger filter components. led lamp power supply means higher efficiency due to high switching frequency, which makes it possible to use smaller, lower cost high-frequency transformers and lighter, lower cost filter components.

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