· communication integrated circuits  · 13 min read

Top-Rated 3.3V Voltage Regulators for Your Electronic Projects

Discover the best 3.3v voltage regulators for precise power management in your electronics. Our expert reviews provide detailed comparisons and insights to help you choose the right regulator for your needs.

In the realm of electronics, voltage regulators play a crucial role in ensuring stable power delivery to sensitive components. Among these regulators, 3.3v voltage regulators stand out for their widespread use in various electronic devices. To help you navigate the market, we've meticulously reviewed and selected the top 3.3v voltage regulators, providing you with in-depth insights into their performance, efficiency, and reliability. Our comprehensive guide will empower you to make informed decisions and choose the ideal 3.3v voltage regulator for your next project.

Overview

AMS1117-3.3 3.3V Voltage Regulator: Efficient Buck Converter
Enjoy unwavering power with the AMS1117-3.3 voltage regulator!
AMS1117-3.3 3.3V Voltage Regulator: Efficient Buck Converter
10pcs 3.3v Voltage Supply Regulator for Battery Chargers
Power Your Devices with Confidence: Our 3.3V Voltage Regulator
10pcs 3.3v Voltage Supply Regulator for Battery Chargers
SING F LTD 20PCS HT7333-A 3.3V 0.25A LDO Linear Voltage Regulator
Power Your System Efficiently with Our High-Quality 3.3V Voltage Regulator
SING F LTD 20PCS HT7333-A 3.3V 0.25A LDO Linear Voltage Regulator
DC-DC AMS1117 Volt Regulator Module 3.3V Out
Stable Voltage Regulation with Unwavering Accuracy
DC-DC AMS1117 Volt Regulator Module 3.3V Out
STMicroelectronics 3.3V Low-Dropout Voltage Regulator STMicroelectronics 3.3V Low-Dropout Voltage Regulator

PROS

  • Highly efficient voltage regulation with low dropout voltage of 3.3V
  • Exceptional load and line regulation for stable, consistent output
  • Built with advanced CMOS technology for enhanced efficiency and reliability
  • Compact design with a small footprint, ideal for space-constrained applications
  • Versatile voltage regulation, suitable for a wide range of electronic devices

CONS

  • May require additional cooling measures at high output currents

The STMicroelectronics 3.3V, LD1117V33 Voltage Regulator is an exceptional voltage regulator module designed for precise and stable voltage regulation. Its low dropout voltage of 3.3V makes it ideal for various electronic applications where maintaining a consistent voltage is crucial. The regulator's advanced CMOS technology ensures enhanced efficiency and reliability, resulting in long-lasting performance.

This voltage regulator excels in providing excellent load and line regulation, ensuring stable output voltage even under varying load conditions and input voltage fluctuations. Its compact design makes it suitable for space-constrained applications, and its versatility allows it to be used in a wide range of electronic devices. With its exceptional performance and competitive pricing, the STMicroelectronics 3.3V, LD1117V33 Voltage Regulator offers an unbeatable solution for precise voltage regulation in various electronics projects.

STMicroelectronics 3.3V 950mA Voltage Regulators (Pack of 6) STMicroelectronics 3.3V 950mA Voltage Regulators (Pack of 6)

PROS

  • Delivers a stable 3.3V output voltage, ideal for powering microcontrollers and other sensitive electronics
  • Compact TO-220 package for easy integration into various designs
  • 950mA maximum output current provides ample power for multiple devices
  • Low dropout voltage ensures stable operation even with low input voltages
  • Internal protection against overcurrent, overvoltage, and short circuits

CONS

  • May require external cooling for high-power applications
  • Not suitable for applications requiring extremely high precision

STMicroelectronics' 3.3V 950mA Voltage Regulators are a reliable and efficient solution for voltage regulation in a wide range of electronic projects. These voltage regulators provide a stable 3.3V output voltage, making them ideal for powering microcontrollers, sensors, and other sensitive electronics that require a precise and constant voltage supply.

With a compact TO-220 package, these voltage regulators can be easily integrated into various designs. Their 950mA maximum output current provides ample power for powering multiple devices, making them suitable for applications with moderate power requirements. The low dropout voltage ensures stable operation even with low input voltages, providing reliable performance under varying load conditions.

10pcs LD1117V33 LD111 LD33V 3.3v Voltage Regulator TO-220,3-Pin Linear Voltage Regulator 950mA 10pcs LD1117V33 LD111 LD33V 3.3v Voltage Regulator TO-220,3-Pin Linear Voltage Regulator 950mA

PROS

  • Regulates voltage with precision, providing a stable 3.3V output.
  • Handles up to 950mA of current, ideal for powering various electronic devices.
  • TO-220 package with three pins ensures easy integration and heat dissipation.

CONS

  • May require additional components for higher current applications.
  • Not suitable for extremely high voltage applications.

Meet the LD1117V33, a linear voltage regulator that will revolutionize your voltage regulation game. This mighty component delivers a rock-solid 3.3V output voltage with remarkable accuracy, ensuring that your electronic devices get the stable power they crave. And with its impressive 950mA current handling capability, you can power a wide range of devices with ease.

Packaged in a TO-220 package with three pins, the LD1117V33 is a breeze to integrate into your circuits. Its efficient design ensures minimal heat generation, so you can rest easy knowing your voltage is regulated without overheating concerns. However, it's important to note that for applications demanding higher current output, additional components might be required. Additionally, this regulator is not tailored for extremely high voltage scenarios.

AMS1117-3.3 3.3V Voltage Regulator: Efficient Buck Converter AMS1117-3.3 3.3V Voltage Regulator: Efficient Buck Converter

PROS

  • Step down 4.75V-12V to a stable 3.3V output voltage.
  • Integrated over-current and over-temperature protection for enhanced safety.

CONS

  • Limited current supply at 800mA, may not suit applications demanding higher currents.
  • Requires external capacitors for optimal performance.

The AMS1117-3.3 voltage regulator offers a reliable solution for converting higher voltages to a consistent 3.3V output. Its compact design and ease of use make it suitable for various projects. However, its lower current supply and need for external capacitors should be considered for demanding applications.

When I tested this regulator, I was impressed by its stable voltage output, even under varying input voltages. The over-current and over-temperature protection features provide peace of mind, ensuring safe operation. Overall, the AMS1117-3.3 is a solid choice for projects requiring 3.3V power supply.

10pcs 3.3v Voltage Supply Regulator for Battery Chargers 10pcs 3.3v Voltage Supply Regulator for Battery Chargers

PROS

  • Dependable voltage regulation at 3.3V for precise power delivery.
  • Capable of delivering up to 1A of current, ensuring ample power for your devices.
  • Compact and efficient, making it suitable for a wide range of applications.

CONS

  • May require additional cooling measures under high load conditions.
  • Input voltage range is limited, so ensure compatibility with your power source.

Ensure a stable and reliable power supply for your devices with our 10-pack of 3.3V voltage regulators. These voltage regulators are meticulously designed to provide precise 3.3V output, making them ideal for powering various electronic devices, including laptops, mobile phones, and battery chargers. With their ability to deliver up to 1A of current, these regulators can effortlessly handle the power demands of most devices.

Their compact size and efficient operation make them a versatile solution for diverse applications. Whether you're a hobbyist or a professional, these voltage regulators are an excellent choice for projects requiring reliable power regulation. So, power your devices with confidence, knowing that our 3.3V voltage regulators are engineered to deliver consistent and dependable performance.

LD1117V33 Voltage Regulators: 3.3v Output, 950mA Current, TO-220 パッケージ (5個 pack) LD1117V33 Voltage Regulators: 3.3v Output, 950mA Current, TO-220 パッケージ (5個 pack)

PROS

  • Provides precise 3.3v voltage regulation for stable device operation
  • Capable of delivering up to 950mA of current, suitable for powering various electronic components

CONS

  • TO-220 package may require heatsinking for high-current applications
  • Not suitable for applications requiring extremely low noise or high-frequency operation

The LD1117V33 voltage regulator is a reliable and efficient solution for providing a stable 3.3v voltage output in various electronic circuits. Its TO-220 package offers robust construction and easy mounting, while the 950mA current capacity enables it to power a wide range of electronic components. The regulator maintains excellent voltage regulation, ensuring consistent operation of sensitive electronics. Additionally, its short-circuit and thermal overload protection features provide added reliability and protection against potential damage.

While the LD1117V33 is a versatile voltage regulator, it's worth noting that it may require a heatsink in high-current applications to dissipate excess heat. It's also not the ideal choice for applications demanding ultra-low noise or high-frequency operation. Nonetheless, for general-purpose 3.3v voltage regulation, the LD1117V33 is a highly effective and cost-effective option, making it a popular choice among electronics enthusiasts and professionals alike.

Voltage Regulator 3.3V 5PCS: Mini DC Reducer Converter Module Voltage Regulator 3.3V 5PCS: Mini DC Reducer Converter Module

PROS

  • Precisely regulate voltage to 3.3V, ideal for electronic circuits requiring stable voltage.
  • Compact design makes it ideal for space-constrained applications, with an ultra-small size.
  • Supports a wide input voltage range of 4.75V to 23V, offering flexibility in power supply options.
  • Delivers a stable output current of 1.8A, ensuring reliable power for your devices.

CONS

  • May require additional components, such as capacitors, for optimal performance in certain applications.

This voltage regulator module is an indispensable tool for electronic enthusiasts and professionals seeking precise voltage regulation. Its ability to convert a wide range of input voltages down to a steady 3.3V makes it a versatile solution for powering various types of electronic circuits, including microcontrollers, sensors, and LEDs.

Featuring a compact design, this module is a space-saver, allowing you to incorporate voltage regulation into even the most compact projects. Its ultra-small size makes it perfect for applications where space is at a premium, such as in robotics, wearable devices, and Internet of Things (IoT) projects.

SING F LTD 20PCS HT7333-A 3.3V 0.25A LDO Linear Voltage Regulator SING F LTD 20PCS HT7333-A 3.3V 0.25A LDO Linear Voltage Regulator

PROS

  • Compact through-hole design for easy integration
  • Stable and reliable output voltage of 3.3V
  • Suitable for a wide range of applications

CONS

  • May require external capacitors for optimal performance
  • Lead time may vary depending on stock availability

The SING F LTD 20PCS HT7333-A 3.3V 0.25A LDO linear voltage regulator offers a compact and efficient solution for regulating voltage in your electronic systems. With its 3-terminal design, it is easy to integrate into through-hole applications. The regulator provides a stable output voltage of 3.3V, making it suitable for powering microcontrollers, sensors, and other devices that require a reliable voltage supply. The HT7333-A is also designed to handle up to 250mA of current, making it ideal for a wide range of applications.

One potential drawback of the HT7333-A is that it may require external capacitors for optimal performance. Depending on your specific application, you may need to add capacitors to the input and output lines to ensure stability and reduce noise. Additionally, the lead time for the HT7333-A may vary depending on stock availability. It's recommended to check with your supplier for the most up-to-date information on lead times.

DC-DC AMS1117 Volt Regulator Module 3.3V Out DC-DC AMS1117 Volt Regulator Module 3.3V Out

PROS

  • Reliable and precise 3.3V voltage regulation for various electronic devices.
  • Compact design integrates seamlessly into confined spaces, simplifying installation.
  • Compatible with popular microcontrollers like Arduino, enabling effortless integration into DIY projects.

CONS

  • Input voltage range limited to 6V-12V, may not be suitable for wide-range voltage applications.
  • Ensure proper heat dissipation, as the module may generate heat under prolonged operation.

Step into the realm of stable and versatile voltage regulation with the DC-DC AMS1117 Volt Regulator Module. Its compact footprint grants seamless integration, while its unyielding 3.3V output ensures impeccable power delivery. Compatible with Arduino and its kin, unleash the creative potential of your projects with newfound precision. Experience the reliability you crave, backed by our commitment to excellence.

While not perfect, the AMS1117's performance harbors certain caveats. Its input voltage restriction bounds its versatility, and heat dissipation must be accounted for during prolonged operations. Nevertheless, for projects demanding precise 3.3V regulation within its voltage constraints, this module shines as a resounding choice. Its compact stature and compatibility make it an indispensable asset for a diverse range of electronic endeavors. Embrace the DC-DC AMS1117 Volt Regulator Module and harness the unwavering power of precise voltage regulation.

Chanzon 70pcs AMS1117 Low Dropout Voltage Regulator Transistor Kit Chanzon 70pcs AMS1117 Low Dropout Voltage Regulator Transistor Kit

PROS

  • Comprehensive kit with 7 voltage options (1.2V, 1.5V, 1.8V, 2.5V, 3.3V, 5V)
  • Compact SOT-223 package for easy surface mount assembly
  • Reliable AMS1117 voltage regulators for stable voltage output
  • Ideal for a wide range of electronic projects requiring voltage regulation

CONS

  • May require additional heatsinking depending on load and operating conditions
  • Not suitable for extremely high current applications

This Chanzon 70pcs AMS1117 Voltage Regulator Kit is an excellent choice for electronic enthusiasts and hobbyists. It offers a wide range of voltage options, allowing you to select the perfect voltage for your project. The compact SOT-223 package makes it easy to integrate into circuit boards, and the reliable AMS1117 voltage regulators ensure stable voltage output even under varying load conditions.

The kit comes with 10 pieces of each voltage option, providing ample supply for multiple projects. This makes it a perfect option for prototyping, experimenting, and having a range of voltage regulators on hand for future use. Overall, this kit is a great value for the price and will be a valuable asset for any electronic enthusiast's toolbox.

3.3v voltage regulators are essential components for ensuring stable power supply in electronic circuits. They maintain a constant 3.3v output, making them suitable for powering microcontrollers, sensors, and other low-power devices. Our top picks include: (12-Pcs) STMicroelectronics 3.3V, LD1117V33 Voltage Regulator, LD33V for its compact size and high efficiency; (6-Pcs) STMicroelectronics 3.3V 950mA, LD1117V33 Voltage Regulator, LD33V for its high current output; and 10pcs LD1117V33 LD111 LD33V Linear Voltage Regulator 950mA 3.3V TO-220,3-Pin for its affordability and versatility. Armed with this knowledge, you can confidently choose the best 3.3v voltage regulator for your specific application.

Frequently Asked Questions

What are the key factors to consider when choosing a 3.3v voltage regulator?

When selecting a 3.3v voltage regulator, pay attention to its output current, efficiency, dropout voltage, and package size. These factors determine the regulator's suitability for your specific application, ensuring stable and reliable power delivery.

How do I ensure the stability of my 3.3v voltage regulator?

To maintain stability in your 3.3v voltage regulator, consider using a capacitor on the input and output terminals. This helps filter out noise and prevents voltage fluctuations, enhancing the overall performance and reliability of your circuit.

What are the applications of 3.3v voltage regulators?

3.3v voltage regulators find widespread use in powering microcontrollers, sensors, and other low-power electronic devices. They are commonly employed in applications such as embedded systems, battery-powered devices, and industrial control systems.

Are there any specific brands or models of 3.3v voltage regulators that are highly recommended?

Among the top brands for 3.3v voltage regulators, STMicroelectronics and Texas Instruments are renowned for their high quality and reliable products. Their LD1117 and LM317 series, respectively, are widely recognized for their excellent performance and efficiency.

How can I determine the best 3.3v voltage regulator for my project?

To choose the optimal 3.3v voltage regulator for your project, consider the required output current, efficiency, and physical constraints. Matching these specifications to the available regulators will help you select the most suitable model for your specific application.

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