The Best 12Vdc To 3Vdc Converter of 2022 – Reviewed and Top Rated
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.
2,661 Reviews Scanned
- 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.
- 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.
- Input Voltage Range:DC 5-24V （(Input voltage must be 3V higher than the output voltage）
- Output voltage: 2-18V (output adjustable), output current: 3A (Peak)
- Bottom with potentiometer, use a mini screwdriver to increase or decrease the output voltage by adjusting the screw on the blue potentiometer, clockwise step-up counterclockwise buck
- With reverse connection protection / overload / overcurrent / overheat / low voltage protection, stable and reliable
- Case is completely sealed with epoxy resin, providing excellent waterproof protection, shockproof, moistureproof, dustproof and more durable
- 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.
- 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
- 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.
- 【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.
- Mini MP1584EN DC to DC buck converter module with a wide operating range
- Input voltage: 4.5 V to 28 V; Output voltage: 0.8 V to 20 V
- Output current: 3 A (maximum); Conversion efficiency: 92% (maximum)
- Output ripple: less than 30 mV; Switching frequency: 1.5 MHz (highest), typically 1 MHz
- Operating temperature: -45 ℃ to 85 ℃; Size: 22 mm by 17 mm by 4 mm; Warning: do not reverse the positive and negative terminals to avoid any possible damage; Do not use light load (less than 10% of output power) or without load
- 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.
- 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 2023-08-22 / Affiliate links / Images from Amazon Product Advertising API
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FAQ:
Q: Can I convert 12V to 3V with only a diode?
A: You can also convert 12V to 3V with only zener diode and a resistor but it will not provide much current. The output current of the circuit is around 1A. For higher current requirements use transistor with higher current ratings for example use TIP31 for around 2 ampere current requirements.
Q: How to convert 12V to 3V using resistor divider?
A: The combination is known as resistor divider. The below image shown an example of using the resistor divider to achieve the objective of 12 V to 3 V. Now use any value of resistance, in the above mentioned ratio. Let us say, R1 = 30 Ohm, R2 = 10 ohm. There will be infinite solutions. use any value. Hope this will help. Please feel free to discuss.
Q: Can You Power a 3V load from a 12V source?
A: You can’t. Simply adding any value resistor to a 12V source will still make the output 12V. If, however, you’re asking if you can power a 3V load from a 12V source, then you can, providing that you know the characteristics of your load, and that it is unchanging.
Q: How can I reduce the voltage of a 12V power source?
A: This can be simply solved by using four resistors with same resistance. Putting four resistors in serial and connecting it with 12V power source. Taking voltage only from one resistor; thereby achieving 1/4 of power source from it. Voltage level can be reduced using resistors only. We just have to use the basic equation of Ohm’s law, i.e V=R*I.