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dc dc power converter

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dc dc power converter Customers Reviews

  • Exactly what I wanted

    posted by mythic1

    -Easy to use even for novices-Wires are ready to solder-2 ears to get it fixed tight-15w output power (5V, 3A), sufficient to power a dash camera, etc.-Quality feel-All the details you need are written on product-Very well sealed against dirt or dust-Small enough to hide it under the dash
    -Ideal converter with sufficient power output. Ideal for powering any gadget for your car
    -I recommend it. Other products around, for the same price, you get maximum 10w output power.
  • Get 5 volts from four AA batteries.

    posted by LynnCochran

    I want to power an Arduino in a robot car from four AA batteries. When the batteries age, their combined voltage will drop from 6.3 volts to about 4V, so I need a DC-to-DC converter that can both step-down and step-up to get the desired 5 V output. This DC-DC converter can do that job! I tested my unit and measured about 58% efficiency for a 5V, 110 mA output over an input voltage range from 6.5V down to 4V. Nothing got noticeably warm.
    I accidentally shorted the output during testing (don't measure output voltage with a current meter ;), and the converter stopped working. However, after about a minute, it went back to working. Apparently the thermal shutdown in the IC had saved the day.
    This should work fine in my application. This DC-DC converter uses a SEPIC design (see Wikipedia), so it only needs one IC (an LM2587). I bought a second type of DC-DC converter just in case this one didn't work out (SKU 228941); it also works, with a slightly lower efficiency and bigger board area.
  • Great ultimate set

    posted by plazmas

    + Lots of pieces (but not all useful) + You can use you're own source
    Ladies and gentleman's please don't forget to buy it, immediately... if you have a lot of money. Of course this is PROset. Types and dimensions of connect fits with describe.
    Great set with many options to use, but cable would be longer and fatter.I use it with my collection of old game consoles and work perfect.Buy it!
  • Perfect for circuit projects

    posted by GreenTechNetwor

    They each came packaged in small bags in pairs. Overall they have pretty good build quality and have a solid feel. They're perfect for any circuit projects that involve DC power jacks. They fit together snugly, and also fit DC power jacks I've used perfectly.
    None.
    If you're studying electrical engineering, or you enjoy messing around with circuit projects, these are a must have. They're perfect for running DC voltage from a power brick into your circuit without cutting and stripping the wires.
  • 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.

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