Best Buck Converters In June 2025

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Check out our product review of the Best Buck Converters. We tried 10 models and can tell you the absolute best varieties.

To help you in your search, we have completed this list of the Best Buck Converters.

Top Rated Best Buck Converters Of 2025

Rank	Product Name	Score
1	[2-pack] LM2596s Buck Converter DC to DC Step-down Voltage Regulator Power Module 36V Buy Now	9.7 Buy Now
2	Zixtec 10 Pack LM2596 DC-DC Buck Converter Step Down Module Power Supply DIP Buy Now	9.5 Buy Now
3	Valefod 6 Pack LM2596 DC to DC High Efficiency Voltage Regulator 3.0-40V to Buy Now	9.1 Buy Now
4	DROK 90483 DC Car Power Supply Voltage Regulator Buck Converter 8A/100W 12A Max Buy Now	8.8 Buy Now
5	[2-Pack] Adjustable DC-DC Buck Boost Converter Automatic Wide Voltage Regulator XL6009 DC to Buy Now	8.6 Buy Now
6	ICStation Buck Converter, Step Up Down Power Controller Supports Over-Discharge Protection Voltage Regulator Buy Now	8.3 Buy Now
7	4 Pieces Adjustable LM2596S DC-DC Buck Converter Reduced Voltage Regulator Power Module 36V Buy Now	8.1 Buy Now
8	[4-Pack] 5A DC-DC Adjustable Buck Converter 4~38v to 1.25-36v Step Down Power Supply Buy Now	7.8 Buy Now
9	Anmbest Constant Current CC CV Buck Converter Module DC 6-40V to 1.2-36V 20A Buy Now	7.5 Buy Now
10	DC Buck Module, DROK Adjustable Buck Converter Step Down Voltage Regulator 6V-32V 30V Buy Now	7.2 Buy Now

1. [2-pack] LM2596s Buck Converter DC to DC Step-down Voltage Regulator Power Module 36V

• Updated version: with reverse voltage protection, over-temperature and short-circuit protection, thus making it much safer to use
• 100% satisfication service: if there are any problem with our products, please feel free to contact us. you can request a refund for any single module and no need to return it., any problems you can contact us and we will try our best to resolve it till you satisfied.
• High conversion efficiency, simple regulating operation, rotate the top screw of potentiometer clockwise to boost, anti clockwise to reduce voltage.
• Output: dc 1.25v to 37v voltage is continuously adjustable
• Input:dc 4v to 40v ( input voltage should be 1.5v higher than the output voltage)

2. Zixtec 10 Pack LM2596 DC-DC Buck Converter Step Down Module Power Supply DIP

• High-q inductors with high power output led indicator
• 36u thick circuit boards
• Input voltage range: dc 3.2v to 35v (input voltage must be higher than the voltage output to 1.5v or more can not be boosted.)
• All solid capacitors using sanyo
• Output: 1.25v to 30v dc voltage is continuously adjustable, high efficiency and maximum output current of 3a.

3. Valefod 6 Pack LM2596 DC to DC High Efficiency Voltage Regulator 3.0-40V to

• Mini size45 * 23 * 14 mm (with potentiometer). 6pcs included.
• Output voltagedc 1.5v to 35v voltage is continuously adjustable, maximum output current is 3a.
• Input voltagedc 3v to 40v (input voltage must be 1.5v higher than the output voltage, no boost).
• Easy to diyconnect to power source, using a mini screwdriver to increase or decrease output voltage by adjusting the screw on the blue potentiometer and monitor voltage with multimeter to get the needed voltage, clockwise to step up voltage and counterclockwise to step down voltage. (factory default stays a high voltage, you need to contrarotate about 7-15 circles bef...
• High precisionthe buck converter consists of 36u thickened circuit boards, high-q inductance with output led indicator, and superior solid-state capacitors that can effectively filter out high frequency noise. suitable for various electronic projects.

4. DROK 90483 DC Car Power Supply Voltage Regulator Buck Converter 8A/100W 12A Max

• Parameter --- input voltage 5v-40v, output voltage 1. 2-36v adjustable, rated output current 8a, max output current 12a, rated power 100w.
• Protection --- short-circuit protection, over-temp protection, input reverse connection protection.
• Application --- battery, car laptop power supply, car led, power transformer diy.
• Conversion rate --- 95% max.
• Led indicator --- indicates the operating status.

5. [2-Pack] Adjustable DC-DC Buck Boost Converter Automatic Wide Voltage Regulator XL6009 DC to

• With 4a high efficiency mosfet switches, the efficiency of xl6009 can be up to 94%
• Wide input voltage: 5v-32v, wide output voltage: 1.25v-35v(with automatic step-up and down, within the scope of work, any voltage input can be regulated any voltage output)
• With ultra high switch frequency 400khz , even if small capacity filtering capacitors can achieve very good results
• Application:car regulator , solar photovoltaic, wind power and other applications of voltage instability .
• Model specificationxl6009 step up down converter module

6. ICStation Buck Converter, Step Up Down Power Controller Supports Over-Discharge Protection Voltage

• User tipswe have uploaded the pdf user manual on the amazon page at technical specification. please download it from there if you need it.https://images-na.ssl-images-amazon.com/images/i/91az+vcc+al.pdf
• Regards as power supplycompared with another converter, our boost buck converter supports the constant current function. after charging for a period, the charging board will switch to constant voltage output automatically to prolong the battery lifetime.
• Protect functionicstation voltage regulator steps up-down converter supports over-charge protection,over-voltage, over-current, over-power, over-temperature, low-voltage protection. otherwise, it supports anti-backflow protection, reverses connection protection.
• Mulit-parameter displaypower supply step up down converter hd ld displays the voltage, current, power, capacity, energy, time multi-parameter. it is very easy to read the parameter
• Basic parametericstation buck-boost converter voltage range is dc 5v-30v to dc 0.5v-30v. the output current range is 0-4.0a. the output power range is 35w.

7. 4 Pieces Adjustable LM2596S DC-DC Buck Converter Reduced Voltage Regulator Power Module 36V

• Nice design: with 150khz internal oscillation frequency, features low power consumption and high efficiency
• Product parameters: input voltage is 2.5v - 40v, output voltage is 1.25v - 37v, output current is 2a (normal and stable) and 3a max, conversion efficiency 92% (highest), output ripple under 30mv, switching frequency 150khz, operating temperature is -45 c to 85 c
• Simple to operate: the voltmeter can be turned off, and the switch can be turned off by pressing and holding the switch for more than 1 second and less than 4 seconds, once the voltmeter is turned off, simply press the switch to turn on the voltmeter
• Output current: the maximum output current can be as high as 3a, the recommended working current is about 2a, more than 2a plus heat sink
• Easy to use: with terminal block, no soldering iron is also convenient to use, and retain the wire bond point (the input voltage must be higher than the voltage to be output by 1v or more)

8. [4-Pack] 5A DC-DC Adjustable Buck Converter 4~38v to 1.25-36v Step Down Power Supply

• High conversion efficiency up to 96%
• 100% satisfication service: if there are any problem with our products, please feel free to contact us. you can request a refund for any single module and no need to return it., any problems you can contact us and we will try our best to resolve it till you satisfied.
• Output voltage range1.25-36vdc adjustable.output current: 0-5a,output power: 75w
• Input voltage range438v (note:input voltage not over 38v)
• Updated version: updated from lm2596 and better than it, with reverse voltage protection, over-temperature and short-circuit protection, thus making it much safer to use

9. Anmbest Constant Current CC CV Buck Converter Module DC 6-40V to 1.2-36V 20A

• Anmbest buck converter input voltage range is dc 6-40v, adjustable output voltage range is dc 1.2-36v, can be used to convert 24v to 12v 5v, adjustable output current range is 0-20a, max output power is 300w. the step down regulator can apply to constant output current.
• Application:motors, audio, monitor, led car display, air conditioner, fans, solar energy, photovoltaic energy, dvd, led lights, pumps, industrial equipment appliances, etc.
• It is designed with 75v/80a large current dual mos tube. input and output use high frequency low resistance electrolytic capacitor, low ripple, and gives a stable output. wiring is convenient with these large current 30a screw terminals.
• The buck module has 2 heat sink that could enhance heat dissipation. when there is a big difference between input and output voltage, please decrease power and current.
• With a wide input voltage range from 6v to 40v, the step-down converter can accurately adjust output voltage and current. the efficiency can be up to 95%,(measured at 20a, converting 24v to 12v).

10. DC Buck Module, DROK Adjustable Buck Converter Step Down Voltage Regulator 6V-32V 30V

• Parameter --- input voltage range dc 6v-32v, output voltage dc 1.5v-32v, max output current 5a, recommend use of within 4.5a, max output power 75w, recommend use of within 50w.
• Feature --- constant current/voltage mode, voltage calibration & current calibration, usb interface, protective case, short-circuit protection, over-temperature protection, input reverse connection protection.
• General use --- as ordinary step-down module with over-current protection, as constant current led driver module, diy a solar power controller, etc.
• Display --- large clear digital lcd display voltage & current value simultaneously.
• Note --- 1). output voltage is set as around 20v by default, if your input is lower than that, please turn potentiometer anticlockwise for 10 laps or more until voltage changes. 2). the case is packaged unassembled to avoid damage during transit. it needs to be manually installed.