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The Best 12Vdc To 3Vdc Converter of 2022 – Reviews & Buying Guide

After hours researching and comparing all models on the market, we find out the Best 12Vdc To 3Vdc Converter of 2022. Check our ranking below.

2,811 Reviews Scanned

Rank No. #1
12V to 3V 3A Step-Down Waterproof Miniature DC-DC Converter Power Supply Module
  • Converts a 12V input voltage (will operate with any input voltage from 8V to 24V) to 3V DC (+10% -0%) output at up to 3A
  • Up to 9W output power (3V at 3A)
  • Fully sealed and waterproof
  • Overload / over-current / over / low voltage protection, stable performance
  • The inputs and outputs are labeled on the sticker on top of the converter, the red and black wires are the + and - 12V input, and the red and yellow wires are the + and - 3V output.
SaleRank No. #2
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.
SaleRank No. #3
DROK DC Buck Converter, 5.3V-32V to 1.2V-32V 12A Adjustable Power Supply, 5v 9v 12v 24V 30V 32V Step Down Voltage Regulator with LCD Display Volt Transformer Reducer CC CV for RV Solar Panel Golf Cart
  • 【Parameter】 DROK Power Supply Module input volt range is DC 5.3-32V; Output volt range is DC 1.2-32V which is variable. Output current can reach to 8A and Output Power can reach to 120W for long-time use. If enhance heat dissipation, this converter can reach 12A and 160W output.
  • 【Characteristics】 This Buck Converter is equipped with LCD Display, Acrylic Case and Heat Sink. LCD Screen can display input/output voltage, output current and output power. Voltage precision is 0.05V, current precision is 0.005A. Acrylic case can keep the converter board away from dust, which is protective. Heat Sink can keep module 120W for long-time using in a low temperature. If you want to reach maximum power 160W, please improve heat dissipation.
  • 【Easy Operation】 A user manual will be included in package, which can help you easier to operate. The button can control ouput voltage ON/OFF status, and you can set the default output state is ON/OFF for the next time. The potentiometer can help you to adjust volt amp in a simple and fast way.
  • 【Protection】 It has reverse-connect protection, short circuit protection and over current protection. When you connect the input wire reversely or short circuit, the module will not burn. And roate the CC potentiometer to set over current protection value you want.
  • 【Application】 The volt conversion board can be used for 5v 6v 9v 12v 24V 30V 32V 3a 5a 10a devices, like solar panel, lab, experiment, RV, All-Terrain Vehicle, car, battery charger, LED stripes, etc.
Rank No. #4
Maxmoral 2pcs DC-DC Buck Converter Power Module 3A Adjustable Step-Down LM2596 Voltage Regulator 24V to 12V 5V 3V
  • Input Voltage: DC 3V-35V, Output Voltage: DC 1.25V-35V (continuously adjustable), high effeciency, max output current up to 3A.
  • Adopting SANYO solid-state capacitor, 36u thickened circuit board, high Q value large power inductance, with LED indicator.
  • High precision potentiometer, factory default is approx 18V. Turn the potentiometer counterclockwise 1 cycle, it may step-down approx 1V voltage.
  • 0.1uF high frequency bypass capacitor, can effectively filter out high frequency noise.
  • Two Wire Connection Mode: Solder and Welding Pin.
Rank No. #5
3.3V Regulator 5pcs Mini Reducer DC 4.75-23V 5V 12V Buck to 3.3V Buck Converter Board 1.8A Output Mini360 Small Size Power Module(Green 3.3V)
  • Very small size, length, width and height are 17*11*3.6mm,Input: 4.5V-24V,Output: 3.3V,
  • The maximum output current can reach 1.8A, when the output current is 1.5A, the output voltage is 3V
  • Output ripple: less than 30 mV; Switching frequency: 1.5 MHz (highest), typically 1 MHz
  • When using this module with an inductive load, please pay attention to the protection of the current in the rear stage. For example, when using a steering gear or a motor, a large ripple may be generated, which may affect the chips in the rear stage circuit. You can add Zener and capacitor for protection
  • Package: 5PCS 3.3V Buck Module
Rank No. #6
Dorhea 7 Pack 3.3V DC-DC Buck Converter 3 Pins AMS1117-3.3V DC 4.75V-12V to 3.3V Voltage Regulator Step Down Power Supply 800mA Buck Module
  • AMS1117-3.3 is a positive voltage regulator step down power supply module, support DC 4.75-12V input and 3.3V fixed voltage and 0.8A current output.
  • The voltage regulator converter module is suitable for electronic devices, with the design of 3 pins, this buck converter is easy to connect your MCU development and provide constant power supply, which suitable for electronic devices such as SCM project design needs 3.3V power supply.
  • Applicable for high-efficiency linear regulator Published Active Power Regulator Battery Charger Active instrument.
  • Applications: MSP430 Development Board; 3.3V Low power consumption MCU; FPGA/CPLD PLD Programmable Logic Systems; ARM7 ARM9 ARM11 STM32; etc.
  • AMS1117 overheat shutdown circuit provides overload and over-temperature protection. AMS1117-3.3V Buck Converter soldering kit only supports 3.3V,800mA output, So the load current can not exceed 800mA.
Rank No. #7
SMAKN DC/DC Converter 12v Step Down to DC 3V/3A 3V 3A 9W Power Supply Module
  • All epoxy sealed containers with Waterproof Housing; Non-isolated
  • High efficiency: >96%; Reliable, low heat dissipation max. 40 ℃;
  • With overload / over-current / over / low voltage protection, stable performance.
  • Light compact, convenient to use and transport; Auto recovery
  • Widely used in Car device, such as LED Display, Hard Disk Player, MP3, DVD, GPS, etc
Rank No. #8
UMLIFE 4PCS AC/DC to DC Step Down Buck Converter AC 5-30V DC 5-48V 24V 36V 48V to DC 2.5-35V 12V Voltage Regulator Board 2A Adjustable Volt Power Supply Module
  • 4PCS LM2596HV AC/DC to DC Buck Step Down Converter Module 3v 3.3V 5V 6V 9V 12V 15V 24V DC 5V-50V Adjustable Step-Down 3A Power Supply
  • Adjustable AC/DC to DC buck converter power supply module Voltage Regulator
  • Input ac voltage AC5V~AC30V or dc5v-50v. Due to the large fluctuation of ac voltage, the recommended ac voltage range has been reserved.
  • The power module adopts plug-in LM2596HV, LM2596 version of high voltage, the highest input voltage is 50V(limited by filter capacitor voltage) with external radiator, can withstand high current work.
  • Input voltage range: AC 5V-30V, DC 5V-50V Output output range: DC 3.3V-33V
Rank No. #9
NOYITO DC to DC 3.3V 2A 3A Converter Buck Module 12V 16V 8V-22V Buck to 3.3V 3A Max Power Converter IP67 Waterproof with Overcurrent Overheat Short-Circuit Undervoltage Protection (3.3V 3A, Black)
  • Input voltage: DC 12V 8V-22V.
  • Output voltage: DC3.3V ±0.25V.
  • Output current: 3A Max.【This product has been upgraded, from the old version's maximum 2A current output to the new version's maximum 3A current.】
  • Conversion efficiency: about 95%. Shockproof Waterproof level: IP67.
  • Protection function:Overcurrent protection,Overheat protection,Short circuit protection,Undervoltage protection.
Rank No. #10
SMAKN DC/DC Converter 12V Step Down to 3V/3A Power Supply Module
  • All epoxy sealed containers with Waterproof Housing; Non-isolated
  • High efficiency: >96%; Reliable, low heat dissipation max. 40 ℃;
  • With overload / over-current / over / low voltage protection, stable performance.
  • Light compact, convenient to use and transport; Auto recovery
  • Widely used in Car device, such as LED Display, Hard Disk Player, MP3, DVD, GPS, etc

Last update on 2024-01-08 / Affiliate links / Images from Amazon Product Advertising API

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