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• 5

  6 out of 7 members found this review helpful

  JoGeo Techlab

  2022-11-20

  The LM2596 DC voltage converter (Step-down Buck Converter Module) supports conversion from high (4 to 40V) to low voltage (1.25 to 37V) and not the other way around (low to high). It comes sealed in an anti-static bag without instructions. It features a 3-digit display that shows the input and output voltage. The PCB board, components, and connections/soldering of the LM2596 are well-made. The voltage readings are 0.2 to 0.3V lower than the actual values (verified with a reliable multimeter). Additionally, after conducting experiments, I found that the maximum output current is 2A. At 3A (as stated by the manufacturer), there is significant overheating of the mosfet and the PCB in general. If the devices/circuits connected to the LM2596 require a current higher than 1.5A and there is a large voltage difference between input and output, then a fan and heatsink should be added to avoid high temperatures. In this video, you will find a detailed presentation and testing of the product using a laboratory power supply and various LEDs: https://www.youtube.com/watch?v=VvmITUFzupk

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• 2

  3 out of 3 members found this review helpful

  nicksoti

  2022-11-08

  I bought 2, they worked perfectly for about 1 month. Then, one of them stopped working and started producing smoke.... It had a 29V output with 0.7A if I remember correctly, and it charged a 7s battery. Therefore, 2 stars.

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