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| How to choose a good LED power supply |
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Decide a suitable wattage level, including safety margin. Verify your design of LED driving circuit: direct drive by PSU [choose a constant current (C.C.) mode LED power supply] or add additional driving 1C to get a more precise constant current level [choose a constant voltage (C.V.) or constant current (C.C.) mode LED power supply]. Verify whether the application need PFC function. Verify location of assembly and the required level against dust and humidity for the LED power supply (enclosure style and IP level). Verify the required safety certificates. Need to adjust the output voltage and/or output current or need the dimming function? |