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πŸ”Œ dzs elec 2pcs lm2596 dc-dc step down variable volt regulator: adjustable buck converter for stable power supply logo

πŸ”Œ DZS Elec 2PCS LM2596 DC-DC Step Down Variable Volt Regulator: Adjustable Buck Converter for Stable Power Supply Review

5

Β·

Very good

Revainrating 4 out of 5Β Β 
RatingΒ 
4.2
πŸšͺ Garage & Shop, πŸ”§ Automotive Tools & Equipment

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Description of πŸ”Œ DZS Elec 2PCS LM2596 DC-DC Step Down Variable Volt Regulator: Adjustable Buck Converter for Stable Power Supply

The Module Properties: Non-isolated Constant Current and Voltage Of The Module. Rectification:Non-Synchronous Rectification. Input Voltage: 3.2V-41V. The Output Voltage: 1.25V-35V. The Output Current: Rated Current 2A, Maximum 3A (Additional Heat Sink Is Required).

Reviews

Global ratings 5
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Type of review

Revainrating 5 out of 5

Very compact - high quality

Good price, works as described. Installed in a residential building, connected to a 12V DC bus that varies between 12.6 and 14.8 depending on the state of charge. Requires 12.0VDC +/- 0.2VDC to power the internet access point. When adjusting, adjust the voltage with no load connected. Connect the load, and then make fine adjustments. Comment: Other reviewers who complain about the poor quality of the potentiometer should be unaware that this unit uses a 20-turn potentiometer to ensure tuning…

Pros
  • Best
Cons
  • Low repairability

Revainrating 5 out of 5

Once set, different volts give the same output signal.

I soldered a barrel connector to the input side and measured the output signals with a voltmeter. By turning it counterclockwise I was able to reduce the voltage of the 9 volt battery down to 3.3 volts. I then connected a 6V battery holder (4 AA batteries) to the barrel socket. Another 3.3 volts. And finally I connected the 19 volt power supply to the barrel jack. There is no difference in the output voltage of 3.3 volts! It took a while to turn the adjustment screw, but once installed the unit

Pros
  • Ideal for a small house
Cons
  • Slightly wrinkled

Revainrating 4 out of 5

Great price - best I've tried.

Finally a reliable variable AC power supply that I really trust. They seem to hold the set point well and offer comfortable delivery up to their rated output. Neat, inexpensive, and easy to fit into a project, they're my pick for a fast, clean power rail for lower voltage use. Power regulator and it's the quietest I've ever made. Conclusion - If final assembly/customer assembly of a linear power supply can seem like crap, this module gets the job done neatly and at the right price.

Pros
  • One year trial
Cons
  • Not bad, but...

Revainrating 5 out of 5

Simple, easy to use/install.

This little buck converter was perfect for my needs. I modified a Power Wheels Jeep for my kids and increased it to 24V, but I also added LEDs that run on 6V DC. Instead of trying to add a second power supply, this little guy allowed me to connect directly to the 24v circuit and power the LEDs at 6.25v, I could just solder the leads with 16 gauge wire (I think not, something thicker Will be concerned). fit into the circuit board). The adjustment screw worked as it should and achieving the…

Pros
  • great product
Cons
  • some small things

Revainrating 2 out of 5

You get what you pay for

For the price I can't complain much. And these buck converters (mostly) do what they are supposed to do. But they suffer from the fact that they have uniquely low quality adjustable resistors. In the end I managed to tune them to about the right voltage. But it is certainly not a precision resistor in the conventional sense. The voltages jump up and down randomly every time you try to make adjustments. I wish the manufacturer would spend pennies more and buy a resistor that actually works…

Pros
  • Free for educational purposes
Cons
  • There are other interesting options.