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high efficiency module Customers Reviews

  • Good DC-DC converter for LED lightning fixtures

    posted by H3PO4

    + relatively small footprint
    + acurate output voltage (4 pieces I have bought do vary only +/- 2%
    + exactly what I needed (power source for LED lights/ home made strips)
    + the ENable pin can be used to switch this via e.g. ttouch switch or low voltage (in my case I can use 5V to turn it on/off, so even if somebody decided to use the fixture with wet hands, the switch is only connected to 5V, so no big deal)
    + low idle consumption and no hat issues - so you can let it turned on as long as you wish.
    Be careful not to order version with voltage that differs from your needs.
    Perhaps one with easily adjustable output voltage in a small range (like +/- 0.25V) would be a nice touch...
    I have bought this to drive several (50+) LEDs in paralel and it does the job.
  • VMP3111

    posted by sohman

    - easy to solder- simple output voltage selection with one resistor- high efficiency (in the optimal current range)- reasonable price- very few external components required
    The efficiency seems to be highest (over 90%) when the output current is about 700 mA
    If you have an application that needs a regulated power supply between 1 and 3.3 V with a current requirement of around 700 mA and ease of use and price is more important to you than circuit board area you will be very happy with this device. It does work for lower and higher currents too but the efficiency is lower in those scenarios.


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