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power converter module

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power converter module Customers Reviews

  • Very good device

    posted by bitsnapper

    The converter is very easy to use after having understoof the dip switches. It offers good efficiency and doesn't get very hot at loads of about 1.5 amps.
    If you are familiar with voltage converters, it should be no problem to use it. Just connect a voltage meter to the output and see what happens if you use the dip switches to adjust the output.
    Very useful and reliable for any purpose. I used it for supplying a reduced voltage of 8 V to the red part of a RGB LED chip in combination wit a self made RGBW controller. Works better than a resistor for current control.
  • 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
  • powerbooster with CURRENT CONTROLL

    posted by lasermanathome

    This SKU delivers exactly that what other of these kind of voltageboosters do not have, currentcontroll!!So you don't have to use ballastresistors or other currentlimiting measures.Leds do have the habit to alter their resistance when they are in conducting state (like fluorescentbulbs but less dramatical)So this booster can drive powerleds without other components when cooling is OK!!
    Can be used to build massive ampifiers for carsAlso suitable for RC when higher voltages are used.When used 3 pieces parallel (with diodes) you can even feed an electric bike with one traction battery (12/24 VDC) USE an antiparraleldiode for the motor!!
    For inventors this is a very handy component with much (hidden) potential.
  • 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.
  • Needs more current than anticipated

    posted by Frijs

    It does a great job of adjusting the input to any desired output voltage.Fine design, so it could be build into any project.Good build quality
    There is no description of the requirements, like input current / voltage. Perhaps I would not have bought this solution otherwise.I think this device can do a great job when provided with a steady power supply.
    Not a great solution for solar power conversion.A great solution to build an adjustable power supply.

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