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3w led power supply

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3w led power supply Customers Reviews

  • Good small LED driver

    posted by CCOnn

    -Small, easily fit many designs-Good for running 1 LED for study light, etc.-Good value. Quite hard to find a similarly priced driver elsewhere-Useful for a wide range of applications. Night light, garden light, effect light are just some I can name.
    -There are many types of LED that will run to 700mA on the market, therefore there is a large flexibility on the LED choice for a given application.-I used this to make a study light using CREE leds (XT-E). I do recommend using brand name LEDs. Although more expensive the quality is much better as reflected in the light output (brighter), colour (does not have weird unpleasant tints) and lifetime (often quoted to last 50,000 hours)-Takes close to 1 second to light up the LED instantly without flicker or high-pitched noise.
    Recommended for people looking for a 650mA 1LED driver. Ease of use, and accepting wide range of input voltage adds up to its value. If DX offer a true 1A, 1 LED driver I will truly appreciate it.
  • Spec

    posted by nateHKextreme

    Drives LEDs
    I'm using these with 140411. They drive a single LED at 9 volts and 665ma (5.985w). When I plug the ac outlet into my kill-a-watt meter, it says it's drawing 8w (~75% efficiency). I also tested this with some resistors. It drives a 25 ohm resistor at 14v, 496mA, 6.15w and a 50 ohm resistor at 17.66v, 353mA, 6.23w. 100ohm makes it hum a bit, so I didn't push it.
    The efficiency is a little low, but it does work. If you want to drive 6w leds, this is a good way to go.


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