When you looking for step down voltage regulator, you must consider not only the quality but also price and customer reviews. But among hundreds of product with different price range, choosing suitable step down voltage regulator is not an easy task. In this post, we show you how to find the right step down voltage regulator along with our top-rated reviews. Please check out our suggestions to find the best step down voltage regulator for you.
![[8-PACK] LM2596 DC-DC Adjustable Buck Converter 3-40 V to 1.5-35v Step Down Power Supply High Efficiency Voltage Regulator Module](https://images-na.ssl-images-amazon.com/images/I/614uZjI4WNL.jpg)
![[4-PACK] 5A DC-DC Adjustable Buck Converter 4~38v to 1.25-36v Step Down Power Supply High Efficiency Voltage Regulator Module ([4-pack] 5a buck)](https://images-na.ssl-images-amazon.com/images/I/51i3NkJG7mL.jpg)
Reviews
1. Step Down Voltage Regulator, DROK Buck Converter 12V to 5V NC Adjustable Volt Reducer Module DC 6V-65V 60v 24v 12v to DC 0-60V 5v 8A 400W Constant Voltage Constant Current Power Supply Board
Feature
Wide Adjustable Voltage Range: DROK step down voltage regulator has the widest adjustable input voltage (DC 6-65V) and output voltage (DC 0-60V), suitable for various application, can convert 60v 24v 12v to 5 v, adjutable output current range is 0-8A.High Accuracy: the automatic power supply module adopts advanced microprocessor control which can precisely adjust the output voltage and current. The voltage and current can be precisely adjusted by the button.
CC & CV Function: the voltage converter owns constant voltage and constant current function, ideal for a LED driver.
Clear Working State Indicator: our volt reducer board is equipped with various indicators to show the working state (OUT for output; CV for constant voltage; CC for constant current), convenient for you to check the real-time working state more convenient.
Button Knocking Function: the voltage transformer converter owns a new humanized design, button knocking button, which you can lock the value setting button to avoid mistaken adjustment of output voltage and current.
Description
Technical Parameters:
Input voltage range: 6-65V
Output voltage adjusting range: 0-60V
Output current adjusting range: 0-8A
Output power: 0-400W
Output voltage setting resolution: 10mV
Output current setting resolution: 10mA
Power supply effect: CV< 0.5%+10mV CC< 1%+10mA
Load effect: CV< 0.5%+10mV CC< 1%+10mA
Output ripple: <40m Vpp (Input 54V, output 12V,current 5A)
100Hz wave transmission ratio: <1/10000
Typical efficiency: 88% (Input 54V, output 36V,current 3A)
Display accuracy of voltage & current: 10mV, 10mA
Display error of voltage: 1%+20mV
Display error of current: 2%+20mA
Response time: < 50ms
Storage operation: M0-M9, a total of 10 groups of data
Cooling mode: The module owns heat sink, please pay attention to ventilation
Operating ambient temperature: 0-40
Stored ambient temperature: -20-70
Working environment: Indoor use, max. humidity: 80%
Dimension (LWH): 1359538mm
Product Includes:
1 Step Down Voltage Regulator
2. [8-PACK] LM2596 DC-DC Adjustable Buck Converter 3-40 V to 1.5-35v Step Down Power Supply High Efficiency Voltage Regulator Module
Feature
Input voltage rangeDC 3 -40 V (input voltage must be 1.5 V higher than the output voltage, no boost)Output voltage rangeOutput: DC 1.5 - 35 V voltage is continuously adjustable, maximum output current is 3 A
With over-temperature and short-circuit protection, hence it is safe to use.
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 and no need to return it.; Any problems you can contact us and we will try our best to resolve it till you satisfied.NoteThe factory have tested these at max voltage so they are very high by default, takes about 15-20 turns CCW before the voltage starts ramping down)
Description
Product FeaturesParameters:
Input Voltage: DC 3 -40 V
Output Voltage: DC 1.5 - 35 V
Output Current: 3A(MAX) It is recommended to use under 2A (NOTE: When using high power, add a heat sink to the power supply chip)
Load adjust ratio: +/-0.5%
Voltage adjust ratio: +/-2.5%
Transferring efficiency: 92% Max(the higher output voltage, the higher efficiency)
ON/OFF frequency: 150KHz
Output ripple: 200mV
Module feature: buck and non-isolated
Rectification method: non-synchronous rectification
Size: 5.4x2.3x1.8CM
Weight: 16g
Fuction:
1.Built in over-temperature protection function
2.Built in current limit function
3.Built in output short-circuit protection function
How to use
1.Access the power supply ( 3 -40 V), the power indicator light, the module is working properly.
2.Adjust the blue potentiometer knob (usually clockwise rotation boost, counterclockwise rotation Step-down) and monitor the output voltage with a multimeter to reach the required voltage.
3.A customer reflects the module output voltage can not be adjusted, always equal to the input voltage. When you encounter this problem, please first counterclockwise rotation potentiometer 10 laps above, and then use the module can be normal adjustment of the voltage.
Package includes:
8X LM2596 board
8 pieces of heat sink
3. eBoot 6 Pack LM2596 DC to DC Buck Converter 3.0-40V to 1.5-35V Power Supply Step Down Module
Feature
Input: DC 3 V to 40 V (input voltage must be 1.5 V higher than the output voltage, no boost)Output: DC 1.5 V to 35 V voltage is continuously adjustable, maximum output current is 3 A
Features: all use SANYO solid-state capacitors, 36 u thickening circuit boards, high-Q inductance with LED indicator output
Quantity: 6 pieces; Size: 45 * 20 * 14 mm (with potentiometer)
Steps: connect to power source, adjust the swirl button on the blue potentiometer and monitor voltage with multimeter to get the needed voltage (The factory have tested these at max voltage so they are very high by default, takes about 15-20 turns CCW before the voltage starts ramping down)
Description
eBoot 6 Pack LM2596 DC to DC Buck Converter 3.0-40V to 1.5-35V Power Supply Step Down Module
Features:
Input: DC 3 V to 40 V (input voltage must be 1.5 V higher than the output voltage, no boost)
Output: DC 1.5 V to 35 V voltage is continuously adjustable, maximum output current is 3 A
Notes:
The input and output interface can not be reversed.
Keep it under 2.5 A and use the heat sink when working for long hours.
4. DROK 180057 LM2596 Analog Control Buck Converter DC-DC 4-32V to 1.25-30V Step-down Regulator Module 24V 12V to 5V 3A Power Inverter Volt Stabilizer with Red LED Display
Feature
Analog Control: adjust the screw on top of the potentiometer clockwise or counterclockwise to increase or decrease the output voltage.Has very stable output, the output range is DC 1.25~30.0V, please note the input voltage should be higher than output voltage at least 2V.
Press the MODE switch, the display will cycle through the output voltage, output current and input voltage.
The output voltage can be turned on/off by the ON/OFF switch, when the output is off, the digital tube will display OFF.
With reversed polarity protection and short circuit protection, more safe to use; the display is very accurate.
Description
Parameters:Input Voltage Range: 4.0V-32.0V
Output Voltage Range: 1.25V-30.0V (buck mode 2V drop)
Maximum Output Current: 3A (peak current)
Continuous Operating Current: 1.5A (total output power within 20W)
Product Weight: 24g
Voltage Measurement Accuracy: (1% + 2 digits)
Current Measurement Accuracy: 2 digits
Product Dimension: 6.0 x 3.4 x 1.3cm (L x W x H)
Features:
Input voltage display
Output voltage display
Output current display
Module switch output
Reverse polarity protection, short circuit protection
Instructions:
IN +Input Positive
IN-Input Negative
OUT +Output Positive
OUT-Output Negative
1. ON / OFF button is for controlling the output voltage, press it to alternately turn on or off the output, and it will automatically memorize the default switch status. When the output is off, the digital tube will display OFF.
2. MODE button is for mode control, press it to circularly display output voltage, output current, input voltage, and it will automatically memorize the default display mode.
Package Includes:
1 x Buck Converter
5. DROK 90483 DC Car Power Supply Voltage Regulator Buck Converter 8A/100W 12A Max DC 5-40V to 1.2-36V Step Down Volt Convert Module
Feature
Super dense and reinforced aluminum radiator allows lower and more Stable operating temperatureThere is LED indicator in the module, making the operating status of this board Clear
It has the TVs Diode to prevent Voltage Surge from breaking the chip D, hence allowing safer module operation
Four screw holes in the board enable you to mount the module more conveniently and easier
V-twin for input and v-out for output; installation of four 3 mm screws
Description
Paremeters:Module properties: non-isolated step-down module (BUCK)
Input voltage: DC 5-40V
Output voltage: DC 1.2-36V
Output current: 12A Max(rated 8A, peak 12A); 100W(if enhance heatsink, can reach 200W)
Operating temperature: -40 to +85 Celsius
Working frequency: 300KHz
Conversion efficiency: up to 95%
Short circuit protection: Yes (limit current is 14A)
Over-temperature protection: Yes (the board will automatically shut down the output if over-temperature)
Input reverse polarity protection: None (please install diode at input port if you need such protection)
Installation: four 3mm screws
Wiring: V-IN for input; V-OUT for output
Dimension: 60x52x20mm
Application:
For step down voltage application like battery or power transformers, DIY adjustable voltage regulator, 24V auto laptop power supply, 12v to 3.3V or
12V to 5V or 24V to 5V or 24V to 12V, etc.
Note:
Please adjust the potentiometer for at least 10 circles if you need to adjust output voltage
Testing for reference:
Input 12V, output 5V/10A, efficiency 81%
Input 12V, output 5V/6A, efficiency 86%
Input 24V, output 12V/8A, efficiency 91%
Input 24V, output 19V/6A, efficiency 94%
Package include:
1x DC Converter
6. Icstation AMS1117-3.3 DC Voltage Regulator Step Down Power Supply Module 4.75V-12V to 3.3V 800mA (Pack of 5)
Feature
Icstation super mini AMS1117-3.3 DC-DC step down voltage converter moduleSupport DC 4.75-12V input and 3.3V fixed voltage and 0.8A current output
3 pins pinout can be easy to connected with your MCU development and provide the contant power supply.
Module Size: 12.33 X 8.6mm/0.49 X 0.34inch
Delivery fulfillment by Amazon will spend around 3 days, or delivery by seller will spend around 17 days from China.
Description
Icstation mini DC-DC step down voltage regulator module which is equipped with AMS1117-3.3 LDO chip supporting DC 4.75-12V input and 3.3V fixed voltage output. 3 pins pinout can be easy to connected with your MCU development and provide the contant power supply.----------------------------- Warm Prompt -----------------------------
If you meet any problem during delivery or using the items, please contact with us by email firstly, we provide inquiry, replacement and refund services. Any comments or question please advice us freely, thank you!
----------------------------- Icstation Shop -----------------------------
7. Icstation Adjustable Buck Converter Digital DC Voltage Regulator Step Down Power Supply Module Voltmeter Ammeter with Shell 5-23V to 0-16.5V 3A
Feature
Icstation digital DC-DC step down power supply module with terminal connector port easy to connect with other devicesDual voltage and currend LCD display, easier to recognise the output parameter
Can be used as a normal step down power supply, battery charger and LED lgiht constant current drive module
Input voltage: 5-23V, Output voltage: 0-16.5V, Module Size: 62 X 44 X 18mm/2.44 X 1.73 X 0.71inch (L*W*H)
Fulfilled by Amazon usually spend 2-4 days to delivery, and if fulfilled by merchant usually need around 7 to 17 days to delivery. Please send us a message if you need a PDF instruction or meet any problem in using.
Description
Icstation mini digital dc-dc voltage regultor module is equipped with STC LCD screen display the output voltage and current with input polarity reverse protection. On-board tactile push button to regulate the output voltage better than the potentiometer. Come along with the acrylic,once assembled it will turn into a portable digital voltmeter also protect the module.Specifications:
Input voltage: 5-23V
Output voltage: 0-16.5V
Mini input output voltage difference: 1V
Maximum Output current: 3A (suggest 2A during use, over 2A need the heatsink)
Display Accuracy: 1%
Maximum Conversion Efficiency: 95%
Load Regulation S(I) 0.8%
Voltage Regulation S (u) 0.8%
LCD Display Resolutio: 0.01
Module Size: 62*44*18 mm
Package Included:1X DC Step Down Power Supply
Voltage Calibration:
In the power off situation, press the left button but do not release then connect the power supply, the screen will flash, release the left button, use the multimeter to measure the output voltage, at the same time press the left or right button to regulate the output voltage close to the 5V (4.98-5.02 is better) which display on the multimeter but regardless of the module display. Then power off the module.
Warm Prompt
1, Please do not install the case too tight to the module, it will affect the LCD display performence.
2, We provide PDF instruction, technical support, and replacement for free (in case you received defective products), please send us a message or email instead of return request or feedback, we will follow up by emails within 12 hours, thank you!
3, Please pay attention to your schedule and the delivery service that you select, the timetable of delivery: 2-4 days if Fulfilled by Amazon and 7 to 17 days if Fulfilled by Merchant usually.
8. DC Buck Converter, DROK DC-DC Step Down Voltage Regulator 10V-75V 60v 24v to 0-60V 12v 5v 12A Digital Control Volt Reducer Board Power Supply Module with LED Display & CC CV Mode
Feature
DROK buck conveter input voltage range is DC 10-75V, adjustable output voltage range is DC 0-60V, can be used to convert 24v to 12v 5v, adjustable output current range is 0-12A, max output power is 720W.Constant Current & Voltage: the step down regulator can adjust to constant output voltage, or constant output current by the key.
LED Disply: our power supply board is with digital LED display, can real-time display voltage, current, capacity and time.
Auto Output: the programmable voltage transformer module can be set automatic output after powering on.
Equipped with cooling fan: the volt reducer comes with a small cooling fan.
Description
DROK Step Down Voltage Regulator
Product Parameters:
Input Voltage Range: 10V-75V
Adjustable Output Voltage Range: 0-60V
Adjustable Output Current Range: 0-12A
Output Power: 0-720W
Output Voltage Setting Resolution: 10mV
Output Current Setting Resolution: 10mA
Power Supply Effect: CV0.5%+10mV CC<1%+10mA
Load Effect: CV0.5%+10mV CC<1%+10mA
Output Ripple: < 50mVppinput 54Voutput 12Vcurrent 5A
100Hz Fluctuation Transmission Ratio:< 1/10000
Typical Efficiency: 94% (input 54V, output 30V, current 5A)
Voltage Display Error: 1%+20mV
Current Display Error: 1%+20mA
Response Time: <50ms
Save Operation: M0~M9 10 groups of data
Product Features:
The DKP6012 DC-DC numerical control buck voltage converter is a programmable buck module with all-digital LED display which can display real-time voltage and current.
Compared to the similar product, you will find that this buck module has a compact size and it works efficiently and stable.
We applied advanced microprocessor control for this buck module. Voltage and current can be adjusted accurately by pressing the button, you can adjust it to output constant voltage and current.
Package Includes:
1 X DROK DC-DC Buck Converter Module
9. [4-PACK] 5A DC-DC Adjustable Buck Converter 4~38v to 1.25-36v Step Down Power Supply High Efficiency Voltage Regulator Module ([4-pack] 5a buck)
Feature
Input voltage range438V (Note:input voltage not over 38V)Output voltage range1.25-36VDC 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 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.
Description
Product FeaturesThis product is a 180 KHz fixed frequency PWM buck (step-down) DC/DC module,capable of driving a 5A load with high efficiency, low ripple and excellent line and load regulation.
Parameters:
Input Voltage: DC 4-38V, error 0.1V
Output Voltage: DC 1.25V to 36V
Output Current: 5A(MAX) It is recommended to use under 4.5A (NOTE: When using high power, add a heat sink to the power supply chip)
Size: 5.4x2.3x1.8CM
Weight: 16g
Fuction:
1.Built in over-temperature protection function
2.Built in current limit function
3.Built in output short-circuit protection function
How to use
1.Access the power supply (4-38V), the power indicator light, the module is working properly.
2.Adjust the blue potentiometer knob (usually clockwise rotation boost, counterclockwise rotationStep-down) and monitor the output voltage with a multimeter to reach the required voltage.
3.A customer reflects the module output voltage can not be adjusted, always equal to the input voltage. When you encounter this problem, please first counterclockwise rotation potentiometer 10 laps above, and then use the module can be normal adjustment of the voltage.
10. 24V 10A DC Power Supply, DROK DC-DC Buck Converter 3.5-30V 24v to Adjustable Output 0.8-29V 5v 12v 10A Step Down Voltage Regulator Module with High Accuracy Voltmeter LED Display
Feature
DROK DC buck converter input voltage range is DC 3.5~30V, output adjustable voltage range is DC 0.8~29V, max output current is 10A, conversion rate can up to 92%.LED Voltage Meter: the step down regulator is equipped with high accuracy voltmeter, red LED display, press the key to switch display input voltage or output voltage.
Metal Case: DROK volt transformer is designed with metal case, can protect the module from destroying, and the case itself is a heat sink, excellent to help module cooling.
Note: please make sure that the input voltage is higher than the output voltage at least 1V; please note that this module doesn't have reversed connection protection, pay attention to this before wiring connection.
Small Size: the switching power supply module is with compact design, dimension is 85mm*58mm*33mm(L*W*H).
Description
Parameters:Input Voltage: DC 3.5-30V(please don't over 30V)
Output Voltage: DC 0.8-29V(This is a buck module, please make sure the input should be higher than output at least 1V)
Output Current: 10A(Max)
Conversion Efficiency: 92%(24V to 12V 2A)
Dimension: 85mm*58mm*33mm(L*W*H)
Weight: 105g
Voltmeter: can display input or output voltage, short press the button below digital tube to switch. when "IN" LED indicator lights on, it measures input voltage and "OUT" LED on measures output voltage.
Red digital tube display, the quiescent current is 2-8mA(related to whether the digital tube is open or not).
The voltage display has been calibrated before leaving the factory, don't need additional calibration.
Note: this module doesn't have reversed connection protection.
Package Includes:
1 x DC Converter Module