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Looking for BM2576 (Semiconductor)

Discussion in 'Electronic Repair' started by Jack00, Dec 19, 2008.

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  1. Jack00

    Jack00 Guest

    Im looking for this IC in a LCD television. Does anyone have one?
    Thanks
     
  2. John-Del

    John-Del Guest

    Sounds like one of those small 8 pin smd backlight inverter drivers.
    (?) It seems like there's an infinite number of different devices
    that these backlight inverters use. If so, the only advice I can offer
    you is to try to find a used one in a computer repair shop, and if you
    use a different number, replace the pair. Next time I run into the
    problem of finding one, I'm going to try to use two discrete mosftets
    in place of the IC.

    John
     
  3. Franc Zabkar

    Franc Zabkar Guest

    "The BM2576 series are step-down switching regulators":
    http://www.086ic.cn/ic/BM2576.pdf

    There are two package styles, TO-220 and TO-263.

    There are also three versions of this chip - 3.3V, 5.0V, and
    ADJ(ustable).

    These are probably equivalent chips:
    http://www.onsemi.com/pub_link/Collateral/LM2576-D.PDF
    http://www.micrel.com/_PDF/lm2576.pdf
    http://www.national.com/ds/LM/LM2576.pdf#page=1

    - Franc Zabkar
     
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