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Thread: 5v power for lcd

  1. #1
    Maximum Bitrate
    Join Date
    May 2000
    Location
    Ft Gordon, GA
    Posts
    461

    Question 5v power for lcd

    ok im putting A vfd in the front of the car. it requires a 5v power. the specs say min 4.5 max 5.5 at 355 mA. would a 12v line from my ac line run into a 7805 regulator work? thanks,
    etrik
    "if everything is under control, you're not going fast enough!"

  2. #2
    Constant Bitrate
    Join Date
    Oct 1999
    Location
    CA, USA
    Posts
    118

    Post

    Yes, current is low enough. Put a heat sink on the regulator, you're going to dissipate up to 4W of heat.

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