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LED Driver

Discussion in 'Electrical Forum' started by hodaire, Sep 28, 2011.

Discuss LED Driver in the Electrical Forum area at ElectrciansForums.co.uk.

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  1. hodaire
    Online

    hodaire Guest

    Anyone know what type of driver i would need for 3 x 1w 350 m/A leds wired in series.

    person who wired these has dissapeared and i'm trying to finish the job off, been in touch with the manufacturer (targetti) and they want £120 for the driver and reckon delivery will be about 5 weeks, anything i could pick up from a standard wholesaler?
     
  2. wirepuller
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    wirepuller Forum Mentor

    Location:
    south uk
    Try Collingwood lighting...they will be able to advise.
     
    Last edited: Sep 28, 2011
  3. rsmck
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    rsmck DIY

    Location:
    Dumfries
    What sort of driver do you need ? just a basic driver or one that's dimmable etc? You want to search for a 350mA Constant Current driver - almost any will be suitable for such a small load - I have 15 of them (across 4 channels of DMX control), and even that driver only cost me about £60 :)
     
  4. ian.settle1
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    ian.settle1 Forum Mentor

    Location:
    Wirral
    There are 2 types of LED drivers a constant current and a constant voltage.

    Constant current is when the LEDs are in series

    Constant voltage is when LEDs are in parallel
     
  5. egginyourface
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    egginyourface Electrician's Arms

    whats the difference between constant current and constant voltage?
     
  6. topquark
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    topquark Electricians Arms Member Forum Mentor

    They do exactly what the names imply. One maintains a constant output voltage (current will vary depending on load). The constant current one will have a high output resistance enabling it to maintain a constant current. Usage as Ian has already said.
     
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