The Best 12V To 3.3V Regulator of 2022 – Reviews & Buying Guide

After hours researching and comparing all models on the market, we find out the Best 12V To 3.3V Regulator of 2022. Check our ranking below.

2,616 (random num) Reviews Scanned

Rank No. #1

Anmbest 10 Pack 3 Pins AMS1117-3.3 DC 4.75V-12V to 3.3V Voltage Regulator Step Down Power Supply Buck Module 800mA

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 module is suitable for electronic devices such as SCM project design needs 5V power supply, It is simple Dual-panel design and the Input output using the 2 Pin single row pin for easy connection. AMS1117-3.3 pinout can be easy to connected with your MCU development and provide the contant power supply.
Applicable for high-efficiency linear regulator Published Active Power Regulator Battery Charger Active instrument.
Applications: Arduino UNO MEGA2560; 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.

Rank No. #2

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. #3

DROK 12v Power Supply, 8-32V to 3.3V 3A DC to DC Converter, 24V 12V Buck Converter Voltage Regulator for Vehicle Car Truck RV Solar Panels

【Parameter】Input voltage: DC 8V-32V (12V 24V); output voltage DC 3.3V; output current 3A; output power 9.5W.
【Great Heat Dissipation】 With ultra-thin protective case, and intelligent chip overheating protection, the DROK buck converter is convenient to install and use.
【Protection】Over-current protection, overheating protection, input reverse connection protection, short-circuit protection, waterproof, dust-proof, moisture-proof, shock-proof.
【Efficient】 With high conversion efficiency up to 95%, this DROK buck converter is stable and safe.
【Multifunctional】DC step down converter can be use for any DC devices that are fit for the voltage range, such as GPS navigator for car RV, audio, LED display, motor, speaker, acoustics, electric fan, toy cars, air conditioning, solar panel, etc.

Rank No. #4

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(Black 3.3V)

Very small size, length, width and height are 17.5*12.3*4.3mm,Input: 4.5V-24V,Output: 3.3V
The maximum output current can reach 1.5A, when the output current is 1.3A, the output voltage is 3.2V
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. #5

5 Pieces 3.3V 3A Regulator Module Mini Voltage Reducer DC to DC 12V 24V 5-20V to 3.3V Buck Converter Step-Down Power Supply Transformer Module

【WELL-MADE】The dc to dc buck cinverter is made of excellent materials, ensuring reliable and long-lasting performance.
【FIXED VOLTAGE】Input voltage: 5-20V, output voltage: 3.3V. Output current: 3A.
【SMALL SIZE】Mini dc buck converter，L*W*H: 30*18*5.4mm, lightweight and easy to use.
【STABLE PERFORMANCE】Step down converter. After many passes of quality inspection and performance test, voltage stabilization.
【WIDELY APPLICATIONS】Used for the aerospace industry, petrochemical industry, the electronics industry, machinery, etc.

SaleRank No. #6

DC 12V/24V to 3.3V Voltage Converter DC 8-30V to 3.3V 3A 9.9W MAX IP67 Waterproof Buck Converter Module Step-down Voltage Transformer Power Supply Adapter for Robotics, Motor, Automotive, LED and more

DC 8-30V to 3.3V 3A Voltage Converter:Efficiently converts 8-30V DC input to a stable 3.3V, 3A output, perfect for powering low-voltage devices. Output power: 9.9W. Note: Ensure connected load does not exceed the maximum specified limit to avoid overload.
Various protections: DC power converter supports short-circuit protection, over-temperature protection, over-current protection, anti-disconnection protection; small size, ultra-thin, easy to install; IP67 waterproof, dust-proof, moisture-proof, shock-proof and other functions.
Support short-circuit protection: when the output is short-circuited, the product stops working without output, and the output can be restored after removing the fault. Please pay attention to the correct input, negative reverse connection, will lead to permanent damage to the product.
Storage: Store the product in a cool and dry place, avoid contact with corrosive substances, and keep away from fire and heat sources. The product adopts synchronous rectification technology, high conversion efficiency and stable performance.
Widely used: Power converter is widely used in new energy, LED light strip, monitoring system, motor, electronic system, car radio, stereo, bus, minibus, truck display, car billboards, solar panels, walkie-talkies, DIY equipment and so on.

Rank No. #7

10 Pieces 3.3V Regulator Module MP184EN Voltage Reducer DC to DC 12V 24V 5-24V to 3.3V 1.5A Buck Converter Power Supply Transformer Module

【WELL-MADE】The dc to dc buck cinverter is made of excellent materials, ensuring reliable and long-lasting performance.
【FIXED VOLTAGE】Input voltage: 5-24V, output voltage: 3.3V. Output current: 1.5A.
【SMALL SIZE】Mini dc buck converter，L*W*H: 17*11*3.6mm, lightweight and easy to use.
【STABLE PERFORMANCE】Step down converter. After many passes of quality inspection and performance test, voltage stabilization.
【WIDELY APPLICATIONS】Used for the aerospace industry, petrochemical industry, the electronics industry, machinery, etc.

Rank No. #8

12v to 3.3v Converter DC Step Down Buck Voltage Regulator DC Transformer Power Supply 3A Waterproof Car Converter Compatible with Led Light Car Truck Boat

12V- 3.3v dc converter power supply input voltage DC 12V; output voltage DC 3.3v; output current 3A
DC-DC 12v to 3.3v car power converter intelligent microprocessing chip, over voltage, over current, over temperature, short circuit, it can be auto protection, and can work in normal condition when restored.
12V to 3.3v dc converter car power voltage aluminum case and silicone sealed design make it suitable for use in various harsh environments, high conversion efficiency, low heat generation, good heat dissipation, more durable.
12V to 3.3v dc converter car power voltage aluminum case and silicone sealed design make it suitable for use in various harsh environments, high conversion efficiency, low heat generation, good heat dissipation, more durable.
Attention: Please install according to the the label strictly, positive pole and nagative pole can't be reversed, or the module and device might be damaged, to assure this converter has the sufficient voltage and power pls make sure the voltage and power input is enough.

Rank No. #9

10 Packs 3.3V Regulator,Mini Buck DC 4.75-23V, Step-Down Converter Boards from 5V, 12V to 3.3V with 1.8A Output, Mini 360 Small Power Modules.

Compact Size The module is extremely small, with dimensions of 17.5×12.3×4.3mm (length×width×height).
Input and Output Specifications Input Voltage: 4.5V - 24V Output Voltage: 3.3V. The maximum output current can reach 1.5A. When the output current is 1.3A, the output voltage is 3.2V.
Electrical Characteristics Output Ripple: Less than 30 mV Switching Frequency: Up to 1.5 MHz (maximum), typically 1 MHz
Precautions for Inductive Loads When using the module with inductive loads like servos or motors, pay attention to protecting the current in the subsequent stage. Large ripples may be generated, which could affect the chips in the rear - stage circuit.
Protection Measures You can add a Zener diode and capacitor for protection.

Rank No. #10

3.3V Regulator 6pcs Mini Reducer DC 4.75-23V 5V 12V Buck to 3.3V Buck Converter Board 1.8A Output Mini360 Small Size Aircraft Model MP1584EN Power Module(3.3 Volts)

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

Last update on 2025-06-19 / Affiliate links / Images from Amazon Product Advertising API

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The Best 12V To 3.3V Regulator of 2022 – Reviews & Buying Guide

How Do You Buy The Best 12V To 3.3V Regulator?

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