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Top 10 Buck Converters
for May 2022

Last Updated On

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1
9.7
SCORE
Songhe LM2596S LM2596 with LED Display Voltmeter Buck Converter DC-DC 4.0-40V to 1.25-37V 2A Voltage Adjustable Board Step Down Module Power Supply Module (5pcs)

Songhe LM2596S LM2596 with LED Display Voltmeter Buck Converter DC-DC 4.0-40V to 1.25-37V 2A Voltage Adjustable Board Step Down Module Power Supply Module (5pcs)

by Teyleten Robot
What We like

High conversion efficiency, on average 88% (efficiency and the input and output voltage, current, pressure related)

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Product Features

  • Adjustable output voltage range of 1.25V ~ 37V continuously adjustable. (Input voltage must be higher than the output voltage of 1.5V)
  • Output current 3A, recommendations within 2.0A use, high current needed to enhance heat dissipation.
  • Output power 20W, 15W, please enhance heat dissipation over
  • 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 adjustable power supply, 24V Car T of the power equipment industry buck, 12V switch 3.3V, 12V switch 5V, 24V switch 5V, 24V switch 12V, 36V 24V turn and so on.
  • 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, even the power off and then on

Adjustable output voltage range of 1.25v ~ 37v continuously adjustable. (input voltage must be higher than the output voltage of 1.5v) With a voltage meter and voltmeter displays self-calibration. uses a more advanced microprocessor voltage voltmeter error 0.05v, range 0 ~ 40v. (to ensure accuracy voltmeter, make sure the input voltage of 4.5v and above) 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, even the power off and then on 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 adjustable power supply, 24v car t of the power equipment industry buck, 12v switch 3.3v, 12v switch 5v, 24v switch 5v, 24v switch 12v, 36v 24v turn and so on. Output current 3a, recommendations within 2.0a use, high current needed to enhance heat dissipation. Input voltage 4.5~ 40v. (input voltage must be higher than the output voltage of 1.5v or more) Output power 20w, 15w, please enhance heat dissipation over

2
9.6
SCORE
DC Buck Module, DROK Adjustable Buck Converter Step Down Voltage Regulator 6V-32V 30V 24V 12V to 1.5-32V 5V 5A LCD Power Supply Volt Reducer Transformer Module Board with USB Port Protective Case

DROK DC Buck Module

DROK Adjustable Buck Converter Step Down Voltage Regulator 6V-32V 30V 24V 12V to 1.5-32V 5V 5A LCD Power Supply Volt Reducer Transformer Module Board with USB Port Protective Case

by DROK
What We like

FEATURES --- Constant current/voltage mode; Voltage calibration & current calibration; USB interface; Protective case; Short-circuit protection; Over-temperature protection; Input reverse connection protection.

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Product Features

  • GENERAL USE --- As ordinary step-down module with over-current protection; As constant current LED driver module; DIY a solar power controller, etc.
  • 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. 3). Please carefully read the users manual, especially the Cautions before using. You can find the PDF Instructions on this page -- Product information -- Product guides and documents -- User Manual [PDF].
  • 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.
  • 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. 3). please carefully read the users manual, especially the cautions before using. you can find the pdf instructions on this page -- product information -- product guides and documents -- user manual [pdf]. 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. 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.

3
9.4
SCORE
Boost Buck Converter, DROK DC 5.5-30V to 0.5-30V 5V 12V 24V Adjustable Power Supply Regulator Module, 4A 35W High Power Voltage Step Up Down Converter Board with Case LCD Display

DROK Boost Buck Converter

DROK DC 5.5-30V to 0.5-30V 5V 12V 24V Adjustable Power Supply Regulator Module, 4A 35W High Power Voltage Step Up Down Converter Board with Case LCD Display

by DROK
What We like

OTHER FEATURES --- with buttons to switch displayed parameter & set output ON/OFF; with CC & CV potentiometer; with protective case (needs to be manually assembled); with LC filter.

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Product Features

  • PARAMETER --- buck boost converter, input voltage range 5.5-30V; output voltage range 0.5-30V; working current 4A; power 35W.
  • DISPLAY --- clear LCD screen displays input voltage, output voltage, temperature, output current & output power (switched by button).
  • APPLICATION --- as a normal boost buck converter module with over-current protection; as a battery charger; as a high-power LED constant current driver module, etc.
  • PROTECTION --- soft start; input reverse connection protection; output anti-backflow protection; short-circuit protection; over-current protection; over-power protection; over-temperature protection.

Application --- as a normal boost buck converter module with over-current protection; as a battery charger; as a high-power led constant current driver module, etc. Display --- clear lcd screen displays input voltage, output voltage, temperature, output current & output power (switched by button). Protection --- soft start; input reverse connection protection; output anti-backflow protection; short-circuit protection; over-current protection; over-power protection; over-temperature protection. Parameter --- buck boost converter, input voltage range 5.5-30v; output voltage range 0.5-30v; working current 4a; power 35w.

4
9.3
SCORE
Diymore 2pcs 20A 300W CC CV Step Down Module Adjustable DC 6-40V to 1.2-36V Voltage Regulator Buck Converter Constant Current Power Supply Module

Diymore 2pcs 20A 300W CC CV Step Down Module Adjustable DC 6-40V to 1.2-36V Voltage Regulator Buck Converter Constant Current Power Supply Module

by diymore
What We like

It is designed with 75V/80A large current dual MOS tube. Input and output use high frequency low resistance electrolytic capacitor, low ripple, stable output.

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Product Features

  • The efficiency can be up to 96%, measured at 20A, converting 24V to 12V. Wiring is convenient with these large current 30A screw terminals.
  • This step-down voltage module with a wide input voltage range from 6V to 40V, the step-down converter can accurately adjust output voltage and current.
  • The buck module has 2 heat sink that could enhance heat dissipation, extending service life.
  • When there is a big difference between input and output voltage, please decrease power and current.

This step-down voltage module 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. The buck module has 2 heat sink that could enhance heat dissipation, extending service life. The efficiency can be up to 96%, measured at 20a, converting 24v to 12v. wiring is convenient with these large current 30a screw terminals.

5
8.8
SCORE
Queta 6 Pieces LM2596s DC to DC Buck Converter Step Down Voltage Regulator Power Module 3.2-40V to 1.25-35V 3A High Efficiency DC Voltage Stabilizer Volt Transformer LM2596 DC-DC Buck Converter

Queta 6 Pieces LM2596s DC to DC Buck Converter Step Down Voltage Regulator Power Module 3.2-40V to 1.25-35V 3A High Efficiency DC Voltage Stabilizer Volt Transformer LM2596 DC-DC Buck Converter

by Queta
What We like

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 is a step-down module, in order to ensure stable output, please keep a small 1.5V differential pressure

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Product Features

  • 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 1%.
  • 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 (usually turn clockwise to boost, counterclockwise to turn down) and use a multimeter to monitor the output voltage until it reaches the required voltage.This module can be used to debug a variety of system operating voltage ranges.

Input voltage range: dc 3.2v to 40v (the input voltage must be 1.5v higher than the output voltage 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 (usually turn clockwise to boost, counterclockwise to turn down) and use a multimeter to monitor the output voltage until it reaches the required voltage.this module can be used to debug a variety of system operating voltage ranges. 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 1%.

6
8.5
SCORE
Songhe Mini360 Mini 360 3A DC-DC Voltage Step Down Power Converter Buck Module RC Airplane Power Step-Down Module 10pcs

Songhe Mini360 Mini 360 3A DC-DC Voltage Step Down Power Converter Buck Module RC Airplane Power Step-Down Module 10pcs

by Songhe
What We like

External dimensions: 17 * 11 * 3.8 (L * W * H) (mm)

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Product Features

  • Working temperature: -40 Centigrade to +85 Centigrade
  • Applied to DIY portable sourse, vehicle power supply, communication equipment power supply, aero model.etc
  • Input voltage: 4.75V-23V;Output voltage: 1.0V-17V
  • Module Properties: non-isolated buck;Rectification: synchronous rectification
  • Load regulation: 0.5%;Voltage regulation: 2.5%

Working temperature: -40 centigrade to +85 centigrade Conversion efficiency: 96% (maximum);switching frequency: 340khz;output ripple: 30mv (no-load) Load regulation: 0.5%;voltage regulation: 2.5% Conversion efficiency: 96% (maximum);switching frequency: 340khz Output current: lowering the value of 3a, long 1.8a Module properties: non-isolated buck;rectification: synchronous rectification Input voltage: 4.75v-23v;output voltage: 1.0v-17v Applied to diy portable sourse, vehicle power supply, communication equipment power supply, aero model.etc

7
8.3
SCORE
ACEIRMC 2pcs Buck Converter 12v to 5v 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 (2pcs)

ACEIRMC 2pcs Buck Converter 12v to 5v 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 (2pcs)

by ACEIRMC
What We like

The step down regulator adopts synchronous rectification scheme to provide wide voltage range, large current and high efficiency.

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Product Features

  • buck converter input voltage is DC 9v-36v, output voltage is 5.2V (5V-5.3V available according to your input voltage).
  • The voltage reducer is with USB interface and quick charge identifying chip, and is compatible for Android and Apple.
  • 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
  • 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 5.2V/3.5A/18W.

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 5.2v/3.5a/18w. The voltage reducer is with usb interface and quick charge identifying chip, and is compatible for android and apple. Buck converter input voltage is dc 9v-36v, output voltage is 5.2v (5v-5.3v available according to your input voltage). 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

8
7.3
SCORE
Valefod 6 Pack LM2596 DC to DC High Efficiency Voltage Regulator 3.0-40V to 1.5-35V Buck Converter DIY Power Supply Step-Down Module

Valefod 6 Pack LM2596 DC to DC High Efficiency Voltage Regulator 3.0-40V to 1.5-35V Buck Converter DIY Power Supply Step-Down Module

by Valefod
What We like

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 before the voltage starts ramping down, 1 circle means +/- 1V)

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Product Features

  • Mini Size45 * 23 * 14 mm (with potentiometer). 6pcs included.
  • 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.
  • Input VoltageDC 3V to 40V (input voltage must be 1.5V higher than the output voltage, no boost).
  • Output VoltageDC 1.5V to 35V voltage is continuously adjustable, maximum output current is 3A.

Mini size45 * 23 * 14 mm (with potentiometer). 6pcs included. Input voltagedc 3v to 40v (input voltage must be 1.5v higher than the output voltage, no boost). Output voltagedc 1.5v to 35v voltage is continuously adjustable, maximum output current is 3a. 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.

9
7.3
SCORE
20 Pieces Mini 360 Buck Converter 3A DC Voltage Regulator Power Module DC-DC Voltage Regulator 4.75- 23 V to 1.0- 17 V, 3A Power Supply

Weewooday 20 Pieces Mini 360 Buck Converter 3A DC Voltage Regulator Power Module DC-DC Voltage Regulator 4.75- 23 V to 1.0- 17 V

3A Power Supply

by Weewooday
What We like

Stable performance: these 3A voltage regulators is designed with the high frequency switching technology as the core chip, conversion efficiency up to 96 percent, bring you nice using experience

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Product Features

  • Wide range of use: the mini 360 module is suitable for LED lights, micro-controllers, battery chargers, and most low power devices
  • What you will get: package includes 20 pieces of MP2307DN DC- DC buck converter modules, sufficient quantity can fully meet your project needs, and you can share them with your colleagues
  • Switching frequency: 340 KHz switching frequency, less than 30mV ripple (no load), MP2307 IC
  • Module parameters: the size of these mini buck converter is 17.5 x 11.5 x 3.8 mm, the voltage range is DC- DC convert 4.75- 23 V to 1.0- 17 V; The output current can up to 3A, the no load current is 8mA, and the conversion efficiency up to 96 percent

What you will get: package includes 20 pieces of mp2307dn dc- dc buck converter modules, sufficient quantity can fully meet your project needs, and you can share them with your colleagues Switching frequency: 340 khz switching frequency, less than 30mv ripple (no load), mp2307 ic Wide range of use: the mini 360 module is suitable for led lights, micro-controllers, battery chargers, and most low power devices Module parameters: the size of these mini buck converter is 17.5 x 11.5 x 3.8 mm, the voltage range is dc- dc convert 4.75- 23 v to 1.0- 17 v; the output current can up to 3a, the no load current is 8ma, and the conversion efficiency up to 96 percent

10
7.3
SCORE
UCTRONICS DC 6V 9V 12V 24V to DC 5V 5A Buck Converter Module, 9-36V Step Down to USB 5V Transformer Dual Output Voltage Regulator Board [2 Pack]

UCTRONICS DC 6V 9V 12V 24V to DC 5V 5A Buck Converter Module

9-36V Step Down to USB 5V Transformer Dual Output Voltage Regulator Board [2 Pack]

by UCTRONICS
What We like

High-efficient Transformation: the module adopts the new technology synchronous rectification, which improves conversion efficiency obviously and expands the working voltage and current.

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Product Features

  • Power Supply: DC 9-36V; Output Voltage: 5-5.3V; Output Power: 18W to 30W (input DC 9-24V, output 5.2V/6A; input DC 24-32V, output 5.2V/5A; input DC 32-36V, output 5.2V/3.5A)
  • Mini and Portable: 63 x 2 x 10mm, suitable for various narrow installation space and small case.
  • Application: as a USB 5V buck converter, DIY a phone charger, refit car charger, supply power to raspberry pi 4 b.
  • Input Port: 5.5mm2.1mm DC socket and wiring terminal, each way makes the module work, can also be connected at the same time; Output Port: USB and wiring terminal, can output power at the same time.

Power supply: dc 9-36v; output voltage: 5-5.3v; output power: 18w to 30w (input dc 9-24v, output 5.2v/6a; input dc 24-32v, output 5.2v/5a; input dc 32-36v, output 5.2v/3.5a) Input port: 5.5mm2.1mm dc socket and wiring terminal, each way makes the module work, can also be connected at the same time; output port: usb and wiring terminal, can output power at the same time. Application: as a usb 5v buck converter, diy a phone charger, refit car charger, supply power to raspberry pi 4 b. Mini and portable: 63 x 2 x 10mm, suitable for various narrow installation space and small case.

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