20 Best Buck Converters [2024]

Are you looking for the best buck converters? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling buck converters.

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1 BULVACK 10 Pack LM2596 DC-DC Buck Converter Step Down Module Power Supply DIP Output 1.25V-30V 3A BULVACK 10 Pack LM2596 DC-DC Buck Converter Step Down Module Power Supply DIP Output 1.25V-30V 3A
2 4 Pieces Adjustable LM2596S DC-DC Buck Converter Reduced Voltage Regulator Power Module 36V 24V 12V... 4 Pieces Adjustable LM2596S DC-DC Buck Converter Reduced Voltage Regulator Power Module 36V 24V...
3 DC 24V to DC 12V 10A 120W Step Down Buck Converter Voltage Regulator Reducer Power Converter Mini... DC 24V to DC 12V 10A 120W Step Down Buck Converter Voltage Regulator Reducer Power Converter Mini...
4 Dorhea 7PCS LM2596 DC to DC Buck Converter Voltage Regulator 3.0-40V to 1.5-35V Buck Converter DIY... Dorhea 7PCS LM2596 DC to DC Buck Converter Voltage Regulator 3.0-40V to 1.5-35V Buck Converter...
5 eBoot Mini MP1584EN DC-DC Buck Converter Adjustable Power Supply Module 24V to 12V 9V 5V 3V (6 Pack) eBoot Mini MP1584EN DC-DC Buck Converter Adjustable Power Supply Module 24V to 12V 9V 5V 3V (6 Pack)
6 Valefod 6 Pack LM2596 DC to DC High Efficiency Voltage Regulator 3.0-40V to 1.5-35V Buck Converter... Valefod 6 Pack LM2596 DC to DC High Efficiency Voltage Regulator 3.0-40V to 1.5-35V Buck...
7 Songhe LM2596S LM2596 with LED Display Voltmeter Buck Converter DC-DC 4.0-40V to 1.25-37V 2A Voltage... Songhe LM2596S LM2596 with LED Display Voltmeter Buck Converter DC-DC 4.0-40V to 1.25-37V 2A...
8 HiLetgo 2pcs LM2596 Adjustable DC-DC Step Down Buck Power Convert Module 4.0-40V Input to 1.25-37V... HiLetgo 2pcs LM2596 Adjustable DC-DC Step Down Buck Power Convert Module 4.0-40V Input to...
9 DC Buck Module, DROK Adjustable Buck Converter Step Down Voltage Regulator 6V-32V 30V 24V 12V to... DC Buck Module, DROK Adjustable Buck Converter Step Down Voltage Regulator 6V-32V 30V 24V 12V to...
10 DC Buck Converter, DROK 6-55V to 0-50V 8A 400W 6V 12V 24V 36V 48V Constant Voltage and Constant... DC Buck Converter, DROK 6-55V to 0-50V 8A 400W 6V 12V 24V 36V 48V Constant Voltage and Constant...
11 DZS Elec 2PCS LM2596 DC-DC Step Down Variable Volt Regulator Input 3.2V-40V Output 1.25V-35V... DZS Elec 2PCS LM2596 DC-DC Step Down Variable Volt Regulator Input 3.2V-40V Output 1.25V-35V...
12 USB Buck Boost Converter with CNC Shell, DROK DC 6V - 30V Step Up Down to 0 - 36V Power Supply, 6V... USB Buck Boost Converter with CNC Shell, DROK DC 6V - 30V Step Up Down to 0 - 36V Power Supply,...
13 Wolfwhoop PW-D Control Buck Converter 6-24V to 5V 1.5A Step-Down Regulator Module Power Inverter... Wolfwhoop PW-D Control Buck Converter 6-24V to 5V 1.5A Step-Down Regulator Module Power Inverter...
14 Queta 6 Pieces LM2596s DC to DC Buck Converter Step Down Voltage Regulator Power Module 3.2-40V to... Queta 6 Pieces LM2596s DC to DC Buck Converter Step Down Voltage Regulator Power Module 3.2-40V...
15 ACEIRMC 2pcs Buck Converter 12v to 5v 5A USB Voltage Regulator DC 9V-36V Step Down to DC 5V-5.3V... ACEIRMC 2pcs Buck Converter 12v to 5v 5A USB Voltage Regulator DC 9V-36V Step Down to DC 5V-5.3V...
16 8 Pack Ultra Small MP1584EN DC-DC Buck Converter 3A Power Adjustable Module 24V to 12V 9V 5V 3V 8 Pack Ultra Small MP1584EN DC-DC Buck Converter 3A Power Adjustable Module 24V to 12V 9V 5V 3V
17 D-PLANET [4-PACK] 5A DC-DC Adjustable Buck Converter 4~38v to 1.25-36v Step Down Power Supply High... D-PLANET [4-PACK] 5A DC-DC Adjustable Buck Converter 4~38v to 1.25-36v Step Down Power Supply...
18 5pcs Lithium Battery Charger Module Board 5A DC naar DC CC CV LED Driver Step Down Buck Converter... 5pcs Lithium Battery Charger Module Board 5A DC naar DC CC CV LED Driver Step Down Buck Converter...
19 D-PLANET [8-Pack] LM2596 DC-DC Adjustable Buck Converter 3-40 V to 1.5-35v Step Down Power Supply... D-PLANET [8-Pack] LM2596 DC-DC Adjustable Buck Converter 3-40 V to 1.5-35v Step Down Power Supply...
20 Dafurui 10 Pack LM2596 DC-DC Adjustable Buck Converter 3.0-40V to 1.5-35V Power Supply Step Down... Dafurui 10 Pack LM2596 DC-DC Adjustable Buck Converter 3.0-40V to 1.5-35V Power Supply Step Down...
Bestseller No. 1
BULVACK 10 Pack LM2596 DC-DC Buck Converter Step Down Module Power Supply DIP Output 1.25V-30V 3A
  • 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.)
  • Output: 1.25V to 30V DC voltage is continuously adjustable, high efficiency and maximum output current of 3A.
  • All solid capacitors using SANYO
  • 36u thick circuit boards
  • High-Q inductors with high power output LED indicator
Bestseller No. 2
4 Pieces Adjustable LM2596S DC-DC Buck Converter Reduced Voltage Regulator Power Module 36V 24V 12V...
  • Product parameters: input voltage is 4.0V - 40V, output voltage is 1.25V - 37V, output current is 2A (normal and stable) and 3A max, conversion...
  • 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...
  • 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...
  • 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
  • Nice design: with 150KHz internal oscillation frequency, features low power consumption and high efficiency; When the output voltage cannot be...
Bestseller No. 3
DC 24V to DC 12V 10A 120W Step Down Buck Converter Voltage Regulator Reducer Power Converter Mini...
  • Convert unstable 24 DC power supply into stable 12V DC power output
  • Input voltage: 24V(18V-32V), Output:12V /10A
  • High conversion efficiency: Over 90%
  • Over-voltage, over-current, over-temperature, short-circuit auto protection, and automatic recovery
  • Widely used in automotive, surveillance systems, railway signals, medical equipment, instruments and meters, LED products, LED strips, cable TV and...
Bestseller No. 4
Dorhea 7PCS LM2596 DC to DC Buck Converter Voltage Regulator 3.0-40V to 1.5-35V Buck Converter DIY...
  • The buck converter consists of 36u thickened circuit boards, high-Q inductance with output LED indicator, and superior solid-state capacitors that can...
  • DC 3V to 40V (input voltage must be 1.5V higher than the output voltage, no boost).
  • DC 1.5V to 35V voltage is continuously adjustable, maximum output current is 3A.
  • The LM2596 buck module input and output interface can not be reversed. The input voltage must be higher than the output voltage.
  • Steps: connect to power source, adjust the swirl button on the blue potentiometer and monitor voltage with multimeter to get the needed...
SaleBestseller No. 5
eBoot Mini MP1584EN DC-DC Buck Converter Adjustable Power Supply Module 24V to 12V 9V 5V 3V (6 Pack)
  • Mini MP1584EN DC to DC buck converter module with a wide operating range
  • 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)
  • Output ripple: less than 30 mV; Switching frequency: 1.5 MHz (highest), typically 1 MHz
  • 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...
Bestseller No. 6
Valefod 6 Pack LM2596 DC to DC High Efficiency Voltage Regulator 3.0-40V to 1.5-35V Buck Converter...
  • 【High Precision】The buck converter consists of 36u thickened circuit boards, high-Q inductance with output LED indicator, and superior solid-state...
  • 【Input Voltage】DC 3V to 40V (input voltage must be 1.5V higher than the output voltage, no boost).
  • 【Output Voltage】DC 1.5V to 35V voltage is continuously adjustable, maximum output current is 3A.
  • 【Mini Size】45 * 23 * 14 mm (with potentiometer). 6pcs included.
  • 【Easy to DIY】Connect to power source, using a mini screwdriver to increase or decrease output voltage by adjusting the screw on the blue...
Bestseller No. 7
Songhe LM2596S LM2596 with LED Display Voltmeter Buck Converter DC-DC 4.0-40V to 1.25-37V 2A Voltage...
  • This module can be applied to fields in the input voltage is higher than the step-down output voltage, such as batteries, power transformers, DIY...
  • With a voltage meter and voltmeter displays self-calibration. Uses a more advanced microprocessor voltage voltmeter error ± 0.05V, Range 0 ~ 40V. (To...
  • Touch of a button to switch the input or output voltage measurements and has a light show which is being measured voltages, and save the settings,...
  • Input Voltage 4.5~ 40V. (Input voltage must be higher than the output voltage of 1.5v or more)
  • Adjustable output voltage range of 1.25V ~ 37V continuously adjustable. (Input voltage must be higher than the output voltage of 1.5V)
Bestseller No. 8
HiLetgo 2pcs LM2596 Adjustable DC-DC Step Down Buck Power Convert Module 4.0-40V Input to 1.25-37V...
  • LM2596 DC-DC Buck Step-down Power Converter Module
  • 4.0-40V to 1.25-37V LED Voltmeter
  • output voltage range of 1.25V ~ 37V
SaleBestseller No. 9
DC Buck Module, DROK Adjustable Buck Converter Step Down Voltage Regulator 6V-32V 30V 24V 12V to...
  • 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,...
  • 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.
  • FEATURES --- Constant current/voltage mode; Voltage calibration & current calibration; USB interface; Protective case; Short-circuit protection;...
  • 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...
Bestseller No. 10
DC Buck Converter, DROK 6-55V to 0-50V 8A 400W 6V 12V 24V 36V 48V Constant Voltage and Constant...
  • Adjustable Voltage & Current --- Input Voltage is 6.0-55V; Output Voltage is 0.0-50V; Output Current is 0.000A-8.100A; Output Power is 0-400W; can be...
  • Intelligent Cooling Fan --- when temperature is over 50℃ or current is over 2A, the fan will be activated automatically.
  • Protection --- Hardware Protection: input anti reverse-connect protection and output short circuit protection. Software Protection: over voltage...
  • OAH/OPH/OHP Function --- when the recorded capacity/energy/operation time is higher than the setting maximum capacity/energy/time, the power supply...
  • LCD Display --- the module status reader is designed with LCD screen, clear and convenient.
Bestseller No. 11
DZS Elec 2PCS LM2596 DC-DC Step Down Variable Volt Regulator Input 3.2V-40V Output 1.25V-35V...
  • 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)
Bestseller No. 12
USB Buck Boost Converter with CNC Shell, DROK DC 6V - 30V Step Up Down to 0 - 36V Power Supply, 6V...
  • Parameter --- Input Voltage: DC 6.00-30.00V; Output Voltage: DC 0.00-36.00V; Input Current 12A Maximum; Output Current: 0-6.000A;Output Power: 216.0W...
  • Dipslay --- 1.44 Inch Digital Colorful LCD HD Screen, Clear & Convenient.
  • Features --- Constant Voltage/Current; Detectable Internal/External Temperature; 10 Groups Data Storage; Heat Sink & Cooling Fan; Normal Mode & Night...
  • Protection --- Input Anti Reverse-Connect Protection, Output Short Circuit Protection, Over Voltage Protection (OVP), Over Current Protection (OCP),...
  • Custom CNC Shell --- Type-C Input and USB-A Output; Voltage/Current/Temperature Display; Fast Charging Protocols for Phone.
Bestseller No. 13
Wolfwhoop PW-D Control Buck Converter 6-24V to 5V 1.5A Step-Down Regulator Module Power Inverter...
  • 4pcs PW-D
  • Voltage buck: 6-24V in, 5V out.
  • It with a super mini size: 17mm * 5.5mm
  • It can power for transmitter and receiver or mini camera
  • This voltage step down module is designed for 2-6S Battery
Bestseller No. 14
Queta 6 Pieces LM2596s DC to DC Buck Converter Step Down Voltage Regulator Power Module 3.2-40V to...
  • INPUT VOLTAGE RANGE: DC 3.2V to 40V (The input voltage must be 1.5V higher than the output voltage
  • OUTPUT VOLTAGE RANGE: DC 1.25V to 35V continuously adjustable voltage, Maximum output current is 3A.
  • HIGH EFFICIENCY: Output with high power conversion efficiency up to 92%. Measured 12V input, 5V output current, 1A load regulation rate is less than...
  • USE STEPS: Connect the power supply (3-40V), the power indicator light is on, and the module is working normally; adjust the blue potentiometer knob...
  • REQUIRES ATTENTION:It is recommended to use the current within 2.5A for long-term work, and add the scattered Hot plate (output above 10W); because it...
Bestseller No. 15
ACEIRMC 2pcs Buck Converter 12v to 5v 5A USB Voltage Regulator DC 9V-36V Step Down to DC 5V-5.3V...
  • buck converter input voltage is DC 9v-36v, output voltage is 5.2V (5V-5.3V available according to your input voltage).
  • Input different voltage will output different power: input DC 9-24V, output 5.2V/6A/30W; input DC 24-32V, output 5.2V/5A/25W; input DC 32-36V, output...
  • The voltage reducer is with USB interface and quick charge identifying chip, and is compatible for Android and Apple.
  • The step down regulator adopts synchronous rectification scheme to provide wide voltage range, large current and high efficiency.
  • 5A USB Voltage Regulator DC 9V-36V Step Down to DC 5V-5.3V 5.2V 3.5-6A Volt Transformer Power Supply Module for Phone Fast Charging
Bestseller No. 16
8 Pack Ultra Small MP1584EN DC-DC Buck Converter 3A Power Adjustable Module 24V to 12V 9V 5V 3V
  • Package include: 8 pack ultra small MP1584EN DC to DC buck converter module with a wide operating range
  • Input voltage: 4.5 V to 28 V; Output voltage: 0.8 V to 20 V
  • Output current: 1.8 A(typical), 3 A (maximum); Conversion efficiency: 92% (maximum)
  • Output ripple: less than 30 mV; Size: 22 mm by 17 mm by 4 mm
  • Use precautions: do not reverse the positive and negative terminals to avoid any possible damage; Do not use light load (less than 10% of output...
Bestseller No. 17
D-PLANET [4-PACK] 5A DC-DC Adjustable Buck Converter 4~38v to 1.25-36v Step Down Power Supply High...
  • Input voltage range:4~38V (Note:input voltage not over 38V)
  • Output voltage range:1.25-36VDC adjustable.Output current: 0-5A,Output power: 75W
  • High conversion efficiency up to 96%
  • Updated Version: updated from LM2596 and better than it, with reverse voltage protection, over-temperature and short-circuit protection, thus making...
  • 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...
Bestseller No. 18
5pcs Lithium Battery Charger Module Board 5A DC naar DC CC CV LED Driver Step Down Buck Converter...
  • 1. High power, high efficiency, 5A, low ripple;2. Triple:(1) Use as a normal blood pressure modules with overcurrent protection capability;(2) As the...
  • 2.With constant pressure and constant current modes, there are light indicates which mode is currently in module;4. When used as a lithium battery...
  • 3.Has the current limit protection, output short circuit even if it will not burn module.
  • 4.This module uses machine placement, reflow soldering, and each module shipments have been two hours before the aging tests to ensure high...
  • 5.Overtemperature protection: (automatically shut off the output after overtemperature),Input reverse polarity protection: None, (if necessary,...
Bestseller No. 19
D-PLANET [8-Pack] LM2596 DC-DC Adjustable Buck Converter 3-40 V to 1.5-35v Step Down Power Supply...
  • Input voltage range: DC 3 -40 V (input voltage must be 1.5 V higher than the output voltage, no boost)
  • Output voltage range:Output: DC 1.5 - 35 V voltage is continuously adjustable, maximum output current is 3 A
  • 8 pieces of LM2596 board and heat sinks included
  • Easy to make it work and convenient to accurately adjust the output voltage with a mini screwdriver.
  • 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...
Bestseller No. 20
Dafurui 10 Pack LM2596 DC-DC Adjustable Buck Converter 3.0-40V to 1.5-35V Power Supply Step Down...
  • ★Input: DC 3-40 V (input voltage must be 1.5 V higher than the output voltage, no boost).
  • ★Output: DC 1.5-35 V voltage is continuously adjustable, maximum output current is 3 A.
  • ★Easy work: convenient to accurately adjust the output voltage with a mini screwdriver.
  • ★Features: use SANYO solid-state capacitors,36u thickening circuit boards, high-Q inductance with LED indicator output.
  • ★Application: widely used for DIY mobile power, monitor power supply, communications equipment supply,etc.

Having trouble finding a great buck converters?

This problem is well understood by us because we have gone through the entire buck converters research process ourselves, which is why we have put together a comprehensive list of the best buck converterss available in the market today.

After hours of searching and using all the models on the market, we have found the best buck converters for 2023. See our ranking below!

How Do You Buy The Best Buck Converters?

Do you get stressed out thinking about shopping for a great buck converters? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching buck converters, which is why we have assembled a comprehensive list of the greatest buck converters available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for buck converters that you consider buying. Your questions might include the following:

  • Is it worth buying an buck converters?
  • What benefits are there with buying an buck converters?
  • What factors deserve consideration when shopping for an effective buck converters?
  • Why is it crucial to invest in any buck converters, much less the best one?
  • Which buck converters are good in the current market?
  • Where can you find information like this about buck converters?

We’re convinced that you likely have far more questions than just these regarding buck converters, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for buck converters, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible buck converters. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an buck converters buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available buck converters currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of buck converters has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an buck converters?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your buck converters.
  5. Customer Ratings: Number ratings grade buck converters objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their buck converters.
  7. Product Quality: You don’t always get what you pay for with an buck converters, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an buck converters is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining buck converters information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding buck converters is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

FAQ:

Q: How to make a buck converter?

A: DIY Buck Converter: In this Instructables, I will show you How to step down DC voltage efficiently.for supplying power to Arduio or any other components required 5v or 3.3v.If you use LM7805 it having poor efficiency about 30%.It also heat up.If you use LM2576HV-ADJ …

Q: What are the advantages of a buck converter?

A: – Point of Load Converters – Used to drive high current loads efficiently. Usually used in PCs and Motherboards. – Battery Chargers – FOr mobile phones, laptops and power banks. – Solar chargers – To drive BLDC motors.

Q: Why is it called a buck converter?

A: The buck converter is a very simple type of DC-DC converter that produces an output voltage that is less than its input. The buck converter is so named because the inductor always “bucks” or acts against the input voltage. The output voltage of an ideal buck converter is equal to the product of the switching duty cycle and the supply voltage.

Q: How to design a buck converter?

A: design process of the buck converter circuit. Two design iteration with different IC compare size, power, and complexity. After comparison, parts of chosen design are ordered and explanation into the value explained. This chapter also includes the stress sheet analysis and pictures of the complete circuit.

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