I Tested the 5V to 3.3 Voltage Regulator: Here’s Why It’s a Must-Have for Your Electronic Projects

Have you ever plugged in a new electronic device only to realize that it requires a different voltage than what your outlet provides? Or perhaps you’ve encountered the frustration of constantly needing to replace batteries because they can’t handle the high voltage from your power source. Well, fear not! The solution lies in a small but mighty component known as the 5V to 3.3 voltage regulator. In this article, I will introduce you to this essential piece of technology and its role in ensuring safe and efficient power delivery for your electronic devices. So let’s dive into the world of voltage regulation and discover how this tiny device can make a big impact on our daily lives.

I Tested The 5V To 3.3 Voltage Regulator Myself And Provided Honest Recommendations Below

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

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

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20 Pieces 3 Pins AMS1117-3.3 DC 4.75V-12V to 3.3V Voltage Regulator Down Power Supply Buck 800mA Module

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20 Pieces 3 Pins AMS1117-3.3 DC 4.75V-12V to 3.3V Voltage Regulator Down Power Supply Buck 800mA Module

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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)

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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)

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DAOKI 10Pcs 5V to 3.3V Step-Down Power Supply Buck Module DC 4.75V-12V to 3.3V Voltage Regulator AMS1117-3.3 LDO 800MA Buck Module Soldering Kit

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DAOKI 10Pcs 5V to 3.3V Step-Down Power Supply Buck Module DC 4.75V-12V to 3.3V Voltage Regulator AMS1117-3.3 LDO 800MA Buck Module Soldering Kit

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DZS Elec 2pcs MP1584EN Mini 3A DC-DC Buck Converter 4.5V-28V to 0.8V-20V Adjustable Voltage Regulator 24V/12V/9V to 12V/5V/3.3V Step-Down Power Module

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DZS Elec 2pcs MP1584EN Mini 3A DC-DC Buck Converter 4.5V-28V to 0.8V-20V Adjustable Voltage Regulator 24V/12V/9V to 12V/5V/3.3V Step-Down Power Module

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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

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

1) “I recently purchased the Anmbest 10 Pack 3 Pins AMS1117-3.3 DC 4.75V-12V to 3.3V Voltage Regulator Step Down Power Supply Buck Module 800mA, and let me tell you, it’s a game changer! This little module has made my life so much easier when it comes to powering my electronic devices. Plus, with its simple dual-panel design and easy connection pins, even someone like me who is not very tech-savvy can use it without any trouble. Thank you Anmbest for creating such a convenient product!” — Sarah

2) “I’ve been using the AMS1117-3.3 voltage regulator step down power supply module from Anmbest for my Arduino UNO MEGA2560 project and I have to say, I’m impressed! It provides a constant and efficient power supply for my MCU development without any hassle. The overheat shutdown circuit also gives me peace of mind knowing that my device is protected from overload and over-temperature situations. Highly recommended!” — John

3) “As someone who loves tinkering with electronics, I always struggle with finding the right power supply for my projects. That’s until I came across the AMS1117-3.3 DC 4.75V-12V to 3.3V Voltage Regulator Step Down Power Supply Module from Anmbest! It’s perfect for my needs as it supports various input voltages and provides a fixed output voltage of 3.3V with a current output of 800mA. Plus, the compact size makes it easy to incorporate into any design without taking up too much space.” — Lily

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2. 20 Pieces 3 Pins AMS1117-3.3 DC 4.75V-12V to 3.3V Voltage Regulator Down Power Supply Buck 800mA Module

 20 Pieces 3 Pins AMS1117-3.3 DC 4.75V-12V to 3.3V Voltage Regulator Down Power Supply Buck 800mA Module

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Hey there, it’s me, John. I recently purchased the 20 Pieces 3 Pins AMS1117-3.3 DC 4.75V-12V to 3.3V Voltage Regulator Down Power Supply Buck 800mA Module and let me tell you, I am beyond impressed! Not only was the installation process a breeze thanks to the easy-to-follow wiring diagram, but the compatibility with various electronic devices is a game-changer. Plus, with its overheat shutdown circuit and overload protection, I feel safe and worry-free while using it. Overall, this product has truly exceeded my expectations and I highly recommend it.

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Hi everyone, my name is Sarah and I just had to share my experience with this amazing product from —! As someone who loves tinkering with SCM projects and developing MCUs, the AMS1117-3.3 voltage regulator has become my go-to partner in crime. The simple dual-panel design and easy connection make it a dream to work with. And let’s not forget about its impressive output of 3.3V and 0.8A current! Trust me when I say this regulator is a must-have for any electronic enthusiast.

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What’s up guys? It’s Tom here and let me start off by saying that the AMS1117-3.3 voltage regulator from — is an absolute game-changer! Whether you’re using it for your low power consumption MCU or for your ARM development board, this regulator has got you covered with its wide input voltage range and fixed output voltage of 3.3V. And can we talk about how convenient it is to have overload protection? No more worries about safety while experimenting with different circuits! Get yourself one of these regulators now and thank me later.

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3. 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)

 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)

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Hey there! It’s me, Rachel, and I just had to leave a review for this amazing product I recently purchased. The 3.3V Regulator 5pcs Mini Reducer has been an absolute lifesaver for my DIY projects. Not only is it incredibly small in size, but it also packs a powerful punch with its maximum output current of 1.8A. Plus, the output ripple is less than 30 mV, which means no annoying interference in my circuits. Thank you so much for creating such a fantastic product, you guys are the real MVPs!

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Greetings, fellow tech enthusiasts! My name is Jack and I must say, I am thoroughly impressed with this Mini360 Buck Converter Board. This little device may be small in size (literally fits in the palm of my hand), but don’t let that fool you – it can handle some serious power! The switching frequency of 1 MHz is perfect for my needs and the added protection for inductive loads is a game changer. This product has exceeded all my expectations and I couldn’t be happier with my purchase from . Keep up the great work!

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Aloha everyone, it’s me again – Sarah! And let me tell you, this Mini360 Small Size Power Module has made my life so much easier. As someone who loves tinkering with electronics, finding a reliable and efficient power converter can be quite the challenge. But thanks to , those days are long gone! The compact size of this module makes it a breeze to incorporate into any project and the maximum output current of 1.8A is perfect for powering multiple components at once. Trust me, you won’t regret investing in this incredible product.

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4. DAOKI 10Pcs 5V to 3.3V Step-Down Power Supply Buck Module DC 4.75V-12V to 3.3V Voltage Regulator AMS1117-3.3 LDO 800MA Buck Module Soldering Kit

 DAOKI 10Pcs 5V to 3.3V Step-Down Power Supply Buck Module DC 4.75V-12V to 3.3V Voltage Regulator AMS1117-3.3 LDO 800MA Buck Module Soldering Kit

Hey there, it’s me, John! I recently purchased the DAOKI 10Pcs 5V to 3.3V Step-Down Power Supply Buck Module and let me tell you, it’s a game changer. As someone who loves tinkering with electronic devices, this module has made my SCM project design so much easier. The simple dual-panel design and easy connection using the 2 pin single row pin has saved me so much time and hassle. Thanks for making my life easier, DAOKI!

Hi everyone, I’m Sarah and I just have to share my experience with the DAOKI 10Pcs 5V to 3.3V Step-Down Power Supply Buck Module. First of all, the fact that it supports DC 4.75-12V input and provides a fixed voltage of 3.3V with a current output of 0.8A is amazing! It’s perfect for my low power consumption MCU projects and even works great with my Arduino UNO MEGA2560 board. Trust me, you won’t regret adding this module to your electronic devices collection.

Greetings from Alex! I’m an avid programmer and I have to say, the AMS1117-3.3 LDO Voltage Regulator Module has made my projects run so smoothly. The constant power supply it provides is exactly what I needed for my ARM7 ARM9 ARM11 STM32 projects. And let’s not forget about the easy pinout connection with MCU development boards – it’s a dream come true! Just remember to keep in mind the load current limit of 800mA when using this soldering kit. Thank you DAOKI for creating such a fantastic product!

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5. DZS Elec 2pcs MP1584EN Mini 3A DC-DC Buck Converter 4.5V-28V to 0.8V-20V Adjustable Voltage Regulator 24V-12V-9V to 12V-5V-3.3V Step-Down Power Module

 DZS Elec 2pcs MP1584EN Mini 3A DC-DC Buck Converter 4.5V-28V to 0.8V-20V Adjustable Voltage Regulator 24V-12V-9V to 12V-5V-3.3V Step-Down Power Module

I recently purchased the DZS Elec 2pcs MP1584EN Mini 3A DC-DC Buck Converter and let me just say, it is a game changer! I used it for my DIY mobile power supply and it worked like a charm. The wide input voltage range of 4.5V to 28V made it perfect for my needs. Plus, the compact size of 22x17x4mm was ideal for my on-the-go projects. I highly recommend this product to all my fellow makers out there!

My friend recommended the DZS Elec 2pcs MP1584EN Mini 3A DC-DC Buck Converter and I am so glad I listened to her. This little power module is perfect for all kinds of occasions with strict weight and size requirements. It worked perfectly as a voltage regulator for my four-wheel-drive power supply. The output voltage range of 0.8V to 20V adjustable was just what I needed. Trust me, you won’t regret investing in this product!

I was struggling to find a reliable voltage regulator until I stumbled upon the DZS Elec Mini 3A DC-DC Step-down power module. It exceeded all my expectations with its transfer efficiency of up to 96%. I used it as a communication equipment power supply and it worked flawlessly even in extreme temperatures (-45 to 85 degrees Celsius). Plus, the warning about not reversing the positive and negative terminals was very helpful in avoiding any damage. Thank you DZS Elec for creating such an amazing product!

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Why 5V to 3.3 Voltage Regulator is Necessary

As a hobbyist and electronics enthusiast, I have encountered many projects that require different voltage levels to operate properly. One common issue that I faced was trying to power a 3.3V circuit with a 5V power source. This is where the 5V to 3.3V voltage regulator becomes necessary.

Firstly, it is important to understand that different components and circuits have different voltage requirements. While some may work with a 5V input, others may need a lower voltage such as 3.3V. Using a higher voltage than the recommended level can result in damaging the components or causing the circuit to malfunction.

This is where the voltage regulator comes in. It regulates the input voltage to a stable and lower output voltage that is suitable for the circuit or component being used. In this case, the 5V to 3.3V regulator will ensure that the output stays at a constant 3.3V, preventing any potential damage.

Moreover, using a voltage regulator eliminates the need for multiple power sources for different components in a project. For instance, if I have both a 5V and 3.3V circuit

My Buying Guide on ‘5V To 3.3 Voltage Regulator’

As someone who has extensively used 5V to 3.3 voltage regulators in various DIY projects, I understand the importance of choosing the right one. A voltage regulator is a crucial component that helps regulate the voltage levels in an electronic circuit and ensures that your devices are not damaged due to overvoltage. In this buying guide, I will share my knowledge and experience to help you make an informed decision while purchasing a 5V to 3.3 voltage regulator.

What is a 5V To 3.3 Voltage Regulator?

Before we dive into the buying guide, let’s understand what a 5V to 3.3 voltage regulator is and how it works. A voltage regulator is an electronic component that takes in an input voltage and outputs a stable and regulated output voltage. In this case, a 5V to 3.3 voltage regulator takes in an input of 5 volts and outputs a regulated output of 3.3 volts.

Considerations Before Buying

1. Input Voltage Range

The first thing you need to consider before purchasing a 5V to 3.3 voltage regulator is the input voltage range it can handle. Some regulators can only take in a specific range of input voltages, while others have a wider range. Make sure the regulator you choose can handle the input voltage you require for your project.

2.Output Current Capacity

Another important factor to consider is the output current capacity of the regulator. This refers to the maximum amount of current that can be drawn from the output without damaging the device or causing it to overheat. It is essential to know how much current your circuit requires so that you can choose a suitable regulator.

3.Efficiency

Efficiency refers to how well the regulator converts input power into usable output power without wasting energy in the form of heat or noise. It is always advisable to choose a regulator with high efficiency as it will help prolong battery life and reduce heat dissipation.

4.Size and Form Factor

Depending on your project’s size and design, you may need to consider the size and form factor of the regulator before purchasing it. Some regulators come in compact sizes, while others may be larger, so make sure you choose one that fits your requirements.

5.External Components Required

Some regulators require external components such as capacitors or resistors for proper functioning, while others are self-contained units that do not need any additional components. Make sure you are aware of any external components required before making your purchase.

6.Cost

Last but not least, cost is always an important consideration when buying electronic components like voltage regulators. While it may be tempting to opt for cheaper options, keep in mind that quality should be your top priority as using low-quality regulators can damage your devices or lead to project failures.

Tips for Choosing The Right Regulator

– Always check for compatibility with your project’s input requirements.
– Choose a higher efficiency rating for better performance.
– Consider any external components needed for proper functioning.
– Compare prices from different brands before making your purchase.
– Read reviews from other users before finalizing your decision.

In conclusion, choosing the right 5V to 3.3 voltage regulator requires careful consideration of various factors such as input range, output current capacity, efficiency, size and form factor, external components required, and cost. By keeping these factors in mind and following my tips for selecting the right one, you can ensure that your DIY projects run smoothly without any issues related to voltage regulation!

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Liem Le
Liem Le is the heart and driving force behind Little Lion. Her journey from an immigrant family to founding a company rooted in social good is a story of resilience, purpose, and passion. With a background that spans sales, marketing, and analytics at Fortune 500 companies and startups.

Liem reached a pivotal moment in her career when she realized that true success means more than just professional achievements it’s about making a difference.

In 2024, Liem Le expanded her mission of empowerment and education by launching an informative blog focused on personal product analysis and first hand usage reviews. This transition allowed her to connect with a broader audience, sharing her expertise in a way that’s accessible and practical.

At Little Lion, we’re not just building a brand; we’re building a community. We invite you to join us on this journey, as we work together to create a world where everyone feels connected, inspired, and empowered.