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dc dc power converter

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dc dc power converter Customers Reviews

  • Switching Regulator

    posted by Logsplitter

    A simple device, no external components required. Output ripple is very low, as is heat as full output. No heatsink necessary even at continuous full output, (with 15 volts supply voltage).
    The regulators can be combined with steering diodes to increase output current. The ripple does not appear to increase even when combining the output of 3 regulators.
    An excellent stand alone regulator, especially for a USB power source. Have used more than a dozen for automotive cellphone chargers without a single failure
  • About what I expected

    posted by joshyboy

    Unit advertised as 240W, I needed 100W so thought even if it supplies half of rated output, it's good enough for my needs.Have tested it up to 120W no trouble, unit sits at about 60-70°C. Input power is about 150W at 120W out.Looked at DC output on Oscilloscope, very smooth and noise free (forgot to check input rail).
    Draws 45mA at idle with nothing connected. This may be significant for some.
    Pretty sure it will do what I bought it for, if it fails I will update review.
  • cheaper price ,good current rating

    posted by Daio2012

    Small Size ,high current output ,stability.Better constructuion alluminum houseRaining proof ,not waterproof
    Resonable small size,even considering the price and high current output,this is a good choice.
    higher current output,stability...etc
  • Great for DIY projects

    posted by Dark00

    - the female adapter is great for using all those DC power adapters you have lying around and are very difficult to connect otherwise.
    - the male one is great to power the devices with the DC power jack by using batteries or bench power supply
    - build quality is very good
    Either get one of these pairs or buy female and male adapter packs separately since they save loads of time for anyone doing DIY projects with DC power
  • Nice stepdown DC converter

    posted by lasermanathome

    A small PC wich has the advantage to set fixed voltages wich become handy in Ohm-resistant situation if you want to get a good controll over the current.The dipswitch works good if you know how to handle it.
    This last point can be solved by giving a firm overvoltage (within the range of the converter)Because the energyconversion is high efficient, these units are much better than the 78XX (or 79XX)wich converts overvoltage only in thermal enery (they become hot )These kind of converters do normaly not use extra cooling (convection is enough) unless the differece beween input and output volage is big and/or the current, drawn from the converter reacht to the maximum, it is no good idea to rely on the thermal/current protection, other parts or instability can be damaged, capacators (elco's) have a much shorter shelflife when they heat up, their value changes above the limits and they can ruin anythingin line of it....
    Not the cheapest and not the smallest DX converter but certainly one of the most reliable....

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