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  • Excellent Buck Driver

    posted by lyonn on 07/08/2010
    0 0

    Involvement:General (knows how to use it) - Ownership:1 week to 1 month

    Pros:

    - very efficient

    - programmable output current

    - small and compact

    - good build and quality

    - easy to use

    Cons:

    - price could be lower

    - not suitable for use when supply voltage is less than emitter voltage

    - output current needs to be lowered as it may overstress XRE and XPE power LEDs

    - low efficiency with low output currents

    OtherThoughts:

    This is one of the best buck drivers in DX. Output current is easily changed by replacing the sense resistor with an appropriately valued resistor. I am using these to drive 2 power LED's for upgrades to some of my emergency lighting systems. I've successfully used them to drive 2 XRE Q5's at 500mA each and will use them to drive 2 LBW041050B 1W LED emitters for another project. This driver is good for DIY LED lamp projects where supply voltage is around 6V.

    Bottomline:

    I will order more of these and will recommend them to friends.

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