12V input to 19V@3A output converter

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  • Aruba
    Senior Member
    • May 2010
    • 58
    #1

    12V input to 19V@3A output converter

    Would like to build a 12V to 19V@3A converter. Basically it takes a car
    11-14V as input and provide a stable 19 +/-0.5V at 3A max to provide
    power for the laptop/notebook. Any such boost converter circuit available ?

    Aruba
    Tags: None
    • Th3_uN1Qu3
      Believe in
      • Jul 2010
      • 6031
      • Romania
      #2
      Re: 12V input to 19V@3A output converter

      There are those universal notebook adapters, some of them have a car lighter plug too.
      Originally posted by PeteS in CA
      Remember that by the time consequences of a short-sighted decision are experienced, the idiot who made the bad decision may have already been promoted or moved on to a better job at another company.
      A working TV? How boring!

        Comment

        • Aruba
          Senior Member
          • May 2010
          • 58
          #3
          Re: 12V input to 19V@3A output converter

          Originally posted by Th3_uN1Qu3
          There are those universal notebook adapters, some of them have a car lighter plug too.
          I know about those but I was more interested in building one myself. Found
          a boost controller from Linear Technologies (LTC3786) that supports an
          input voltage of 4.5-24V and output voltages up to 60V. There is a nice
          example of a 12-14V input to a 24V@3A design with some minor adjustment
          that should do what I need it to do.

          Aruba

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