Quick Guide to Buying Best Buck Converter Ultimate Buying Guide Of 2018

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Best Buck Converter
Buck Converter differ by the manufacturer, material, color, and many other characteristics. Moreover, every year manufacturers present newer models, which makes the choice even more complicated. Thanks to our buying guide, you will be able to understand all the nuances of buck converter and save a lot of your precious time.

Our team is proudly presents you the best buck converter on the marketplace. We found amazing products for affordable prices! You can find our list of the TOP products on this page below.

Top 10 Buck Converter of 2018

Rating Image Name and Features Details
Ease of use 5/5
Materials 4/5
Construction 5/5
Quality 5/5
Eboot Mini Mp1584en Dc-dc Buck Converter 1. Eboot Mini Mp1584en Dc-dc Buck Converter
4.5 v to 28 v.
Read reviews
Ease of use 5/5
Materials 5/5
Construction 4/5
Quality 4/5
Aideepen 300w 20a Cc Cv Constant Current Adjustable Buck Converter 2. Aideepen 300w 20a Cc Cv Constant Current Adjustable Buck Converter (Best to Use Right Away)
The efficiency can be up to 96%, measured at 20a, converting 24v to 12v.
Read reviews
Ease of use 4/5
Materials 4/5
Construction 5/5
Quality 5/5
Drok 90010 Waterproof Dc Buck Converter 3. Drok 90010 Waterproof Dc Buck Converter
With potentiometer on the bottom, which allows you adjust the accuracy with the mini screw, but ensures you won’t easily change its setting when mounted.
Read reviews
Ease of use 5/5
Materials 5/5
Construction 5/5
Quality 2/5
Drok Lm2596 Immersion Gold Buck Voltage Converter 4. Drok Lm2596 Immersion Gold Buck Voltage Converter (Best Versatility Features)
The buck circuit adopts imported bi potentiometer, with high resolution, sensitivity, reliability.
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Ease of use 4/5
Materials 5/5
Construction 5/5
Quality 2/5
DROK Digital Control Voltage Regulator 5. DROK Digital Control Voltage Regulator
The step down converter can adjust to constant output voltage, or constant output current by the key.
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Ease of use 5/5
Materials 2/5
Construction 5/5
Quality 2/5
Drok 5pcs Mini Voltage Regulator Dc 4.5-24v 12v 24v Step Down To 5v Buck Converter 6. Drok 5pcs Mini Voltage Regulator Dc 4.5-24v 12v 24v Step Down To 5v Buck Converter (Budget Pick)
Output integrated adjustable and fixed voltage, you can get fixed output voltage by soldering the pot on the board.
Read reviews
Ease of use 2/5
Materials 3/5
Construction 4/5
Quality 4/5
Dzs Elec 12a Dc-dc Step Down Buck Converter 7. Dzs Elec 12a Dc-dc Step Down Buck Converter (Excellent Warranty Policies)
4.5v-30v.
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Ease of use 4/5
Materials 3/5
Construction 2/5
Quality 3/5
Drok Dc Car Power Supply Voltage Regulator Buck Converter 8. Drok Dc Car Power Supply Voltage Regulator Buck Converter (Best Lightweight)
There is led indicator in the module, making the operating status of this board clear.
Read reviews
Ease of use 3/5
Materials 2/5
Construction 2/5
Quality 4/5
Jacobsparts Fp5139 60w Dc-dc Buck Boost Voltage Converter 9. Jacobsparts Fp5139 60w Dc-dc Buck Boost Voltage Converter
5-30v dc, output voltage.
Read reviews
Ease of use 3/5
Materials 3/5
Construction 3/5
Quality 2/5
Drok 091029us Dc-dc Buck Converter 10. Drok 091029us Dc-dc Buck Converter
With voltmeter/ammeter/power meter itself, can be directly used without outside multimeter.
Read reviews

 

 

 
№ 1. Eboot Mini Mp1584en Dc-dc Buck Converter Adjustable Power Step Down Module 24v to 12v 9v 5v 3v, 6 Pack
 

Ease of use
5/5
 

Materials
4/5
 

Construction
5/5
 

Quality
5/5
 
Overall Brand Model Dimensions Weight Details
4.8
eBoot SE153 0.9 x 0.6 x 0.2 inches 0.64 ounces
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Output ripple: less than 30 mv; switching frequency: 1.5 mhz (highest), typically 1 mhz. Mini mp1584en dc to dc buck converter step-down module with a wide operating range. Operating temperature: -45, to 85, ; size: 22 mm by 17 mm by 4 mm; warning: do not reverse the positive and negative terminals to avoid any possible damage; do not use light load (less than 10% of output power) or without load. Input voltage: 4.5 v to 28 v; output voltage: 0.8 v to 20 v. Output current: 3 a (maximum); conversion efficiency: 92% (maximum).

 

 
Pro
Output ripple
Mini mp1584en dc
Output current
Operating temperature
Input voltage
Con
You will not be able to find a single disadvantage.
 

 

 
 

Ease of use
5/5
 

Materials
5/5
 

Construction
4/5
 

Quality
4/5
 
Overall Brand Model Dimensions Weight Details
4.5
Aideepen EXPSFD005799 3.2 ounces
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The buck module has 2 heat sink that could enhance heat dissipation. With a wide input voltage range from 6v to 40v, the step-down converter can accurately adjust output voltage and current. When there is a big difference between input and output voltage, please decrease power and current. It is designed with 75v/80a large current dual mos tube. Wiring is convenient with these large current 30a screw terminals. The efficiency can be up to 96%, measured at 20a, converting 24v to 12v.

 

 
Pro
With a wide input voltage range from 6v
The efficiency can be up
It is designed
When there is a big difference between input
The buck module has 2 heat sink
Con
Some users claim that the assembly quality is very low.
It is good, but costly.
 

 

 
№ 3. Drok 90010 Waterproof Dc Buck Converter Voltage Regulator 8-22v to 1-15v 5v 12v 3a Adjustable Output Power Supply Transformer
 

Ease of use
4/5
 

Materials
4/5
 

Construction
5/5
 

Quality
5/5
 
Overall Brand Model Dimensions Weight Details
4.5
DROK 90010 1.3 x 1 x 0.8 inches 3.52 ounces
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Perfect for electronic hobby project, wide application, you can use it on radio, car audio, led display, motor, cell phone, etc. Fully sealed, outer enclosure acts as a heat sink, specially made to be waterproof, anti-shock, anti-humidity and dust-proof, more durable. Uses synchronous rectification technology, has high conversion efficiency and stable performance; the input should be at least 3v higher than output. With potentiometer on the bottom, which allows you adjust the accuracy with the mini screw, but ensures you won’t easily change its setting when mounted. With reversed-connection protection, over-current protection, over-heating protection and over-voltage protection, hence is safe to use.

 

 
Pro
Uses synchronous rectification technology
With reversed-connection protection
With potentiometer on
Fully sealed
Con
It is made from cheap and flimsy materials.
Requires a lot of space.
 

What should be my main choice criteria when buying a buck converter?

If you are buying a buck converter for the fist time in your life and do not really know much about it, you should always look carefully for user reviews from other customers. Learn from the experience of other people and try to find a buck converter according to its material and assembly quality.

 

 
№ 4. Drok Lm2596 Immersion Gold Buck Voltage Converter Dc 3v-40v 24v Step-down to Dc 1.23v-37v 9v 12v Volt Reducer Regulator Board 3a Power Supply Transformer Module
 

Ease of use
5/5
 

Materials
5/5
 

Construction
5/5
 

Quality
2/5
 
Overall Brand Model Dimensions Weight Details
4.3
DROK 1.12 ounces
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Note: the dc-dc buck converter can work stably at 3a indoor (test condition temperature is 29,, and humidity is 50%). If it s for long time work, it is recommended adding heat sink. Output indicator: the volt transformer board is with a indicator light, which is green and the display is bright, clearly visible and not glare. Parameters: drok buck converter input voltage range is dc 3-40v, adjustable output voltage range is dc 1.23-37v, max output current is 3a, conversion rate can up to 92%. Safe protection: the step down power supply module is designed with reverse connection protection, over current protection, overheat protection, short circuit protection.

High precision potentiometer: the buck circuit adopts imported bi potentiometer, with high resolution, sensitivity, reliability.

 

 
Pro
Safe protection
Output indicator
High precision potentiometer
Con
It works well, but the price matches the quality — it is very high.
Has an outdated design.
 

Do I need to worry when buying a buck converter online?

Nowadays, online shopping is completely safe. In fact, it might even be safer than regular shopping, since you do not have to leave your home to buy products you need. There is nothing dangerous in buying buck converter. After all, you can always get a refund if you will not like the model you bought or you received it in a malfunctioning condition.

 

 
№ 5. DROK Digital Control Voltage Regulator, Buck Converter, Dc 10-75v to Dc 0-60v 12a 720w Step Down Transformer with Volt Amp Capacity Time Meter Power Supply Module with Cc Cv
 

Ease of use
4/5
 

Materials
5/5
 

Construction
5/5
 

Quality
2/5
 
Overall Brand Model Dimensions Weight Details
4.0
DROK 8.8 ounces
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Drok dc-dc buck voltage converter input voltage range is dc 10-75v, adjustable output voltage range is dc 0-60v, adjustable output current range is 0-12a, max output power is 720w. Equipped with cooling fan: the power converter comes with a small cooling fan. Constant current & voltage: the step down converter can adjust to constant output voltage, or constant output current by the key. Auto output: the programmable voltage transformer can be set automatic output after power on.

 

 
Pro
Constant current & voltage
Con
Its counterparts are less expensive.
 

 

 
№ 6. Drok 5pcs Mini Voltage Regulator Dc 4.5-24v 12v 24v Step Down To 5v Buck Converter Board 3a Volt Step-down Transformer Power Supply Module
 

Ease of use
5/5
 

Materials
2/5
 

Construction
5/5
 

Quality
2/5
 
Overall Brand Model Dimensions Weight Details
3.5
DROK 2001708006 0.64 ounces
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Drok buck converter input voltage range is dc 4.5-24v, adjustable range is 0.8-17v, fixed output are 1.8v.2.5v.3.3v.5v.9v.12v that can be chosen on the back side. Output current is 3a max (please enhance cooling work when it is full load); when real tested input 12v and output is 1.5a, no need to add special system. Output integrated adjustable and fixed voltage, you can get fixed output voltage by soldering the pot on the board. If the fixed output voltage is not what you want, you can adjust by potentiometer. Strong and high quality construction: imported potentiometer and 3a current chip, high current shielded inductors and mlcc solid capacitance with long service life. Integrated enable port defaults the working mode and it will be off when it is at low electric level off, which bring a great convenience for users.

High efficiency and super compact size, high frequency and low ripple, stable working performance, wide range of applications, will be a good component for fixing work.

 

 
Pro
Integrated enable port defaults
Drok buck converter input voltage range is dc 4.5-24v
High efficiency
Output integrated adjustable
Con
Not suitable for long work.
 

 

 
№ 7. Dzs Elec 12a Dc-dc Step Down Buck Converter Low Ripple with Heat Sink 4.5v-30v to 0.8v-30v Vehicular Voltage Regulator
 

Ease of use
2/5
 

Materials
3/5
 

Construction
4/5
 

Quality
4/5
 
Overall Brand Model Dimensions Weight Details
3.3
DZS Elec 2.4 x 2 x 0.9 inches 3.36 ounces
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Input voltage: 4.5v-30v ; output voltage: 0.8v-30v( continuously adjustable ); output current: 0a-12a 100w ( can be up to 200w if enhance heat dissipation ). Tvs tube can effectively prevent surge breakdown voltage, make the work safer and more reliable. Coming with enhanced enhanced aluminum radiator make the work temperature is lower and more stable. 50v/mlcc chip capacitor, combined with high frequency low resistance electrolytic condenser, make the output ripple lower. Short-circuit protection (14a max) combined with over-temperature protection (automatically shut off the output once over temperature), safe and reliable.

Module name: 12a dc step down buck converter.

 

 
Pro
Short-circuit protection
Module name
Input voltage
Tvs tube can effectively prevent surge breakdown voltage
Con
Beginners may experience many troubles with it.
 

 

 
№ 8. Drok Dc Car Power Supply Voltage Regulator Buck Converter 8a 100w 12a Max Dc 5-40v to 1.2-36v Step Down Volt Convert Module
 

Ease of use
4/5
 

Materials
3/5
 

Construction
2/5
 

Quality
3/5
 
Overall Brand Model Dimensions Weight Details
3.0
DROK 90483 3.2 ounces
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Four screw holes in the board enable you to mount the module more conveniently and easier. It has the tvs diode to prevent voltage surge from breaking the chip d, hence allowing safer module operation. There is led indicator in the module, making the operating status of this board clear. Super dense and reinforced aluminum radiator allows lower and more stable operating temperature. V-twin for input and v-out for output; installation of four 3 mm screws.

 

 
Pro
There is led indicator in
Super dense
Four screw holes in
Con
You will have to find a separate room to store it.
 

 

 
№ 9. Jacobsparts Fp5139 60w Dc-dc Buck Boost Voltage Converter Sepic Module Step-up Step-down Constant Current Adjustable Power Regulator Board
 

Ease of use
3/5
 

Materials
2/5
 

Construction
2/5
 

Quality
4/5
 
Overall Brand Model Dimensions Weight Details
2.8
JACOBSPARTS DCMOD-A 1.12 ounces
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Input voltage: 5-30v dc, output voltage: 0.5-30v dc, max load: 60w/4a peak.35w/3a sustained (whichever is lower, amps or watts). Conversion efficiency: up to 88%, (our test results: 24v- 12v1a: 86.5%.12v- 16v1.5a: 85%.8v- 16v1.5a: 74%). Low input voltage or a large difference between input and output voltage will degrade the current capacity and efficiency (boosting 5v to 12v only works with very low current). The module will cut out if it is unable to source enough input current. Dimensions: 65x32x21mm, fp5139 ic with external mosfet, sepic topology.180khz switching frequency. Maintain stable output voltage and limit the output current over a wide range of input voltages. Great for general voltage conversion, battery charging, powering raw leds, automotive electronics, battery conversions, micro-controllers, and electronic projects.

 

 
Pro
Input voltage
Maintain stable output voltage
Conversion efficiency
Low input voltage or a large difference between input
Con
The housing looks good but feels very fragile.
It is too heavy for regular use.
 

 

 
№ 10. Drok 091029us Dc-dc Buck Converter Constant Current and Volt Regulator 5-36v to 1.25-32v Step Down Regulator 5a 75w High Power LED Cc Driver Board for Solar Panels Wind Driven Generator
 

Ease of use
3/5
 

Materials
3/5
 

Construction
3/5
 

Quality
2/5
 
Overall Brand Model Dimensions Weight Details
2.8
DROK 091029US 0.3 ounces
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With voltmeter/ammeter/power meter itself, can be directly used without outside multimeter. Drok buck converter input voltage range is 5-36v, output voltage range is 1.25-32v continuously adjustable, default output 17v, max output current is 5a(please use it within 4.5a). With usb port, can be used to charge for digital products. (note: usb output voltage is the same as the module voltage output, please check before using. Can be a constant current led driver module; also can be a battery charger for solar panels, wind driven generator. Can be buck converter with over current protect function, won’t be burned even if short circuit.

 

 
Pro
With voltmeter/ammeter/power meter itself
Can be a constant current led driver module
With usb port
Can be buck converter
Drok buck converter input voltage range is 5-36v
Con
The cost is inexplicably high.
 

How long is the minimum warranty period for an average buck converter?

In the most cases, two-year long warranty period is considered as optimal for buck converter. buck converterhave a tendency to lose their quality with time. Replacing old buck converterwith a new model is a much better option than an overpriced lifetime warranty.

Are new buck convertersupposed to be expensive?

If you want to buy a reliable buck converter, then you should remember that it costs a decent amount of money. Of course, there are many cheap models, but they do not last for too long. We recommend you to buy buck converterfrom our rating list since they offer the best price to quality ratio.

How much money should I spend for a nice buck converter?

The price of a buck converter should never be the determining factor. Even if you are able to afford the most expensive model, you might do not actually need it. buck converterin the average price range can cover all your needs and save you a few bucks at the same time.

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My name is Beth Peterson and I am a Electronic Repair Technician. I graduated from Villanova University - Villanova, Pennsylvania

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beth@stiveboro.com
276 5th Ave Suite 704 New York, NY 10001
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