The Best Adjustable Voltage Regulator of 2022 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best Adjustable Voltage Regulator of 2022. Check our ranking below.

2,853 Reviews Scanned

Rank No. #1

HiLetgo 10pcs LM317 DC-DC Converter Buck Step Down Circuit Board Module Linear Regulator LM317 Adjustable Voltage Regulator Power Supply

Input voltage: 4.2 ~ 40 V
Adjustable output voltage range: 1.2 ~ 37V
Output current: 1.5A

Rank No. #2

DC Buck Converter, DROK 6-55V to 0-50V 8A 400W 6V 12V 24V 36V 48V Constant Voltage and Constant Current Buck Module, DC Regulated Power Supply, Stepdown Adjustable Voltage Regulator

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 arbitrary adjusted.
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 protection(OVP), over current protection(OCP), over power protection(OPP), over temperature protection(OTP), input low voltage protection(LVP).
OAH/OPH/OHP Function --- when the recorded capacity/energy/operation time is higher than the setting maximum capacity/energy/time, the power supply will automatically turn off output, and "OAH"/"OPH"/"OHP" will flash on the screen.
LCD Display --- the module status reader is designed with LCD screen, clear and convenient.

Rank No. #3

DC Motor Speed Controller PWM Controller, Enmja 7-70V 30A Adjustable PWM Motor Speed Regulator 12V 24V 36V 48V

WIDE VOLTAGE: Wide voltage input 7-70V (70V is the maximum working voltage, please leave a margin when using)so that adapt to more DC motors. The maximum output current is 30A, which can provide enough driving capacity for the motor.
FUNCTIONS: The PWM DC motor speed controller has the functions of running, stopping and braking. The adjustable potentiometer flexible cable can be separated, the cord length is 15cm.
CIRCUIT OPTIMIZATION DESIGN: Wide range of duty cycle adjustment, stable motor adjustment without noise and vibration, with power indication, stable circuit design, precision welding switch, stable and can be used for a long time.
SPEED CONTROL KNOB: The motor speed control switch has a knob with switch function. It is easy to use and can be directly connected to the motor, which can control the motor speed from 0% to 100%.
FEATURES: PWM frequency is 12KHZ. This adjustable PWM motor speed regulator with aluminum housing adopts imported high-voltage MOS tube, three pressure 100V high-frequency low-resistance capacitors, and automobile fuses. The parameters are accurate, not easy to heat up, and easy to replace. It is suitable for DC brushed motors.

Rank No. #4

Valefod 6 Pack LM2596 DC to DC High Efficiency Voltage Regulator 3.2-35V to 1.25-30V Buck Converter DIY Power Supply Step-Down Module

【High Precision】The 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 Voltage】DC 3.2V to 35V (input voltage must be 1.5V higher than the output voltage, no boost).
【Output Voltage】DC 1.25V to 30V 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 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)

Rank No. #5

DC DC Buck Boost Converter Variable Voltage Regulator CC CV 0.5-30V 4A 5V 6V 12V 24V Power Module Adjustable Voltage Regulated Laboratory Power Supply

input voltage range is DC 5-30V; output voltage range is DC 0.5-30V, can be arbitrary adjustable; output current can be 3A for long term use, if enhance heat dissipation, it can reach 4A; max output power is 35W, if enhance dissipation, it can reach 50W
LCD displays input/output voltage, output current/output power/output capacity/output time.The module can be set to ON/OFF by default
Safe Protection: the module is with Anti-reverse connection protection of input end, so that it will not burn out when there is reverse connection.Anti-backflow protection at the output end. No need to add anti-backflow diode when charging. Multiple software protection mechanisms are available, and the protection threshold is adjustable. When the working parameters of the module exceed the protection threshold, the output will be automatically turned off
Application: the volt conversion board can be used as an ordinary buck/Boost module with over-current protection; used as a high-power LED constant current driver module; DIY a solar power controller, Battery Charging
Output ripple is small and πfilter is available.Thick heat sink .Buck-boost Integrated

Rank No. #6

Linear Regulator LM317 Adjustable 8PCS, diymore LM317 DC-DC Converter Regulated Power Supply Module Step-Down Board Adjustable 4.2-40V to 1.2-37V

diymore LM317 is an adjustable three-terminal voltage regulator module, it can replace all three-break regulator modules such as 7805, 7806, 7809, 7812, 7824
Input voltage range: DC4.2~40 V, Output voltage range: DC1.2V-37V (continuously adjustable)
Output Current: 1.5A(Instantaneous Maximum) (NOTE: When using high power, please must add a heat sink to the power supply chip)
Input Method: VIN input positive, GND input negative
Output Method: VOUT output positive,GND output negative

Rank No. #7

Adjustable Voltage Regulator,LM317 Adjustable Voltage Regulator Power Supplement Board Digital Voltage Display

【Internal Configuration】-- Using duplex adjustment potentiometer. Military grade double-sided circuit board.Adopt high-frequency power supplement dedicated capacitor, more stable performance.
【Main Function】-- 317 Voltage Regulator can be connected to the load within 2A, AC or DC input voltage, the output voltage is DC 1.25V-28V continuously adjustable.
【Digital Tubes】-- Add digital tubes to display output voltage, the output voltage is clear at a glance.
【Warm Tips】-- Due to the working voltage of digital tubes is 4.5V, our variable voltage regulator displays normally only when the voltage is higher than 4.5V.When inputting 5V, it can output 1.25-2V and won't output a higher voltage.
【Heat Dissipation】-- With a heat sink, the voltage booster can dissipate heat quickly when the product works to cause temperature rise, and the heat dissipation effect is good.

SaleRank No. #8

Kungber DC Power Supply Variable, 30V 10A Adjustable Switching Regulated DC Bench Linear Power Supply with 4-Digits LED Power Display 5V/2A USB Output, Coarse and Fine Adjustments with Alligator Leads

High Precision with 4-Digit and Power Display: Kungber 30V 10A DC benchtop power supply is a professional power supply regulation device that has a high resolution of 0.01V and 0.01A. You can easily tune it within 0-30V and 0-10A. The backlit 4-digit LED display provides a more accurate readout for the voltage and current value, visible easily even in the low-light conditions.
Constant Voltage (C.V.) & Current (C.C.) Mode Automatic Conversion: Easy to dial in the desired voltage and current with the coarse and fine adjustment knob. The constant voltage/current mode can automatically switch with load changes. The conversion of constant voltage and constant current is indicated by the LED display on the front panel.
Compact and Various Application: This DC power supply is less than 3 lb and measures only 9.5 x 3.4 x 6.1 inches, applies for laboratory, school, repair, electrolyzation, electroplate, brush plating, lamp test, aging testing, battery charge, home DIY and other requirements. 5V/2A USB Interface could charge your cellphone and provide power for the device which you want to repair, no worry about running out of power.
Reliable and Safety: Many safety measures are adopt in Kungber DC bench power supply- Grounding wire, Leakage protection, Thermal protection, Voltage overload, Power overload and Short-circuit protection. Kungber power supply use premium electronic components, provide reliable working status and prolong the life of product effectively. When the working temperature is more than 122℉/50℃,the intelligent thermal protection will active the cooling fan to lower the temperature according to the load.
What You Get - 1 x Kungber SPS3010 Variable DC Power Supply, 1 set of Output Power Cords , 1x Input Power Cord, 1 x User Manual, and Technical Support from Kungber.

SaleRank No. #9

[2 Pack] DC-DC 5A Buck Converter 4-38V to 1.25-36V Step-Down Voltage Regulator High Power Module with LED Display

【High Precision】The 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 Voltage】DC 4V to 38V (input voltage must be 1.5V higher than the output voltage, no boost).
【Output Voltage】DC 1.25V to 36V voltage is continuously adjustable, maximum output current is 5A.
【Mini Size】62*38*14 mm (with potentiometer). 2 sets 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 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)

SaleRank No. #10

DROK Waterproof DC Buck Converter Voltage Regulator 8-22V to 3-15V 5V 12V 3A Adjustable Output Power Supply Transformer Step-Down Volt Module Board for Car Auto Vehicle Motor Regulated SR

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.
Fully sealed, outer enclosure acts as a heat sink, specially made to be waterproof, anti-shock, anti-humidity and dust-proof, more durable.
With reversed-connection protection, over-current protection, over-heating protection and over-voltage protection, hence is safe to use.
Perfect for electronic hobby project, wide application, you can use it on radio, Car Audio, LED display, motor, cell phone, etc.

Last update on 2023-01-13 / Affiliate links / Images from Amazon Product Advertising API

How Do You Buy The Best Adjustable Voltage Regulator?

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Potential sources can include buying guides for Adjustable Voltage Regulator, 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 Adjustable Voltage Regulator. Make sure that you are only using trustworthy and credible websites and sources.

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The Best Adjustable Voltage Regulator of 2022 – Reviewed and Top Rated

How Do You Buy The Best Adjustable Voltage Regulator?

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