10 Pack 3 Pins AMS1117-3.3 DC 4.75V-12V to 3.3V Voltage Regulator
4.1Editor score
Affordable 10 pack linear regulator
Supports 4.75V to 12V input
Simple dual panel design for ease
In this guide
Selecting the right voltage regulator ensures your electronic components receive stable power. We review top modules converting 5V to 3V efficiently for various applications.
We evaluated these products based on input range, output current, size, and reliability. Each option offers distinct advantages for hobbyists and professionals alike.
Every pick highlights key specs and ideal use cases. Prices change frequently so verify current details before purchasing your preferred regulator module.
Top 3 Picks for Best 5V to 3V Voltage Regulator
5pcs 3.3V Buck Converter Module DC 4.5-24V to 3.3V Voltage Regulator
4.6Editor score
Wide 4.5V to 24V input range
Stable 3.3V output up to 1.8A
Compact ultra small space saving design
3.3V Regulator 5pcs Mini Reducer DC 5-30V 5V 12V 24V Buck to 3.3V Buck Converter Board 1.8A Output Mini360 Small Size Power Module (3.3, Volts)
5.0Editor score
Mini360 high efficiency power module
Input range 4.5V to 24V
Output ripple less than 30mV
Top 10 Best 5V to 3V Voltage Regulator in 2026 Compared
The following table provides a side by side comparison of all ten products including key specifications and direct links for further review.
ProductsSpecificationsEditor scorePrice
Editor's Choice
5pcs 3.3V Buck Converter Module
Input 4.5V to 24V
Output 3.3V
Current up to 1.8A
Size 17.5x12x4.5mm
4.6Editor score
Editor's Choice
10 Pack 3 Pins AMS1117-3.3
Input 4.75V to 12V
Output 3.3V fixed
Current 0.8A max
Linear regulator type
4.1Editor score
Best Premium
5PCS DC-DC Step Down/Step Up Converter
Input 1.8V to 5V
Output 3.3V fixed
Current 100mA max
Step down and up
5.0Editor score
3.3V Regulator 5pcs Mini Reducer
Input 4.5V to 24V
Output 3.3V fixed
Current 1.5A typical
Ripple less than 30mV
5.0Editor score
Dorhea 7 Pack 3.3V DC-DC Buck
Input 4.75V to 12V
Output 3.3V fixed
Current 800mA max
AMS1117 based design
4.2Editor score
AMS1117-3.3 DC 4.75V-12V
Input 4.75V to 12V
Output 3.3V fixed
Current 800mA max
Plug and play design
5.0Editor score
5PCS 3.3V Mini Buck Converter Board
Input 5V to 30V
Output 3.3V fixed
Current 1.8A max
Small PCB board size
3.4Editor score
5pcs 3.3V DC-DC Buck Converter
Input 4.5V to 30V
Output 3.3V fixed
Current 1.8A peak
Ultra compact module size
10PCS 5V to 3.3V DC-DC Step Down
Input 4.5V to 7V
Output 3.3V fixed
Current 800mA max
Automatic adjustable boost
5.0Editor score
3.3V Regulator 6pcs Mini Reducer
Input 4.5V to 24V
Output 3.3V fixed
Current 1.8A max
Mini360 MP1584EN module
4.9Editor score
1. 5pcs 3.3V Buck Converter Module – Best Overall Voltage Regulator
5pcs 3.3V Buck Converter Module DC 4.5-24V to 3.3V Voltage Regulator
Wide 4.5V to 24V input
Up to 1.8A output current
Low ripple under 30mV
Ultra small compact module size
This module offers wide voltage compatibility and stable 3.3V output up to 1.8A making it ideal for diverse electronics projects.
Pros
- Wide input voltage range
- High current capacity
- Stable output voltage
- Compact for small spaces
- Includes five modules per pack
Cons
- Add diode for inductive loads
- Requires careful soldering
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It features low ripple and a compact size suitable for DIY embedded or portable projects ensuring clean power for sensitive devices.
While it requires protection for inductive loads like motors the performance and value make it a top choice for hobbyists.
Buy this for reliable power conversion in various setups especially when space is limited and input voltage varies widely.
Wide Voltage Compatibility
Applies to 4.5V to 24V input including 5V 9V 12V and 24V power supplies ensuring flexibility.
Compact Space Saving Design
Ultra small size of 17.5x12x4.5mm fits easily into narrow spaces of DIY embedded or portable projects.
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2. 10 Pack AMS1117-3.3 – Best Budget Voltage Regulator
10 Pack 3 Pins AMS1117-3.3 DC 4.75V-12V to 3.3V Voltage Regulator
Supports 4.75V to 12V input
Fixed 3.3V output voltage
Up to 0.8A current output
Simple dual panel design
This 10 pack offers a budget friendly solution for stable 3.3V power from 4.75V to 12V inputs ideal for basic projects.
Pros
- Affordable 10 pack value
- Simple pinout for easy use
- Works with popular microcontrollers
- Includes overheat shutdown protection
- Stable fixed voltage supply
Cons
- Lower current than buck converters
- Linear regulator may heat up
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It supports devices like Arduino UNO and STM32 with a simple dual panel design and easy to connect single row pin setup.
Though it has lower current capacity and may heat under load the built-in overheat shutdown adds safety for continuous use.
Choose this if you need multiple regulators for simple circuits and prefer a low cost linear option over switching types.
Simple Connection Design
Input output use 2 Pin single row pin for easy connection to MCU development boards and circuits.
Built-in Safety Features
AMS1117 overheat shutdown circuit provides overload and over-temperature protection to prevent chip damage during use.
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3. 3.3V Regulator Mini Reducer – Best Premium Voltage Regulator
3.3V Regulator 5pcs Mini Reducer DC 5-30V 5V 12V 24V Buck to 3.3V Buck Converter Board 1.8A Output Mini360 Small Size Power Module (3.3, Volts)
Input 4.5V to 24V range
Output up to 1.5A
Ripple under 30mV max
Mini360 small size power module
This Mini360 module delivers very small size and stable 3.3V output up to 1.5A with less than 30mV ripple for clean power.
Pros
- Mini360 high efficiency module
- Very small dimensions
- Low output ripple
- Wide input voltage range
- Excellent for compact designs
Cons
- Add Zener capacitor for inductive loads
- Soldering required for connections
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Its compact dimensions make it ideal for portable projects while supporting inputs from 4.5V to 24V across diverse battery types.
Users should add protection for motors or servos to avoid ripple issues that could affect downstream chips in sensitive circuits.
Pick this premium module for high efficiency and space constrained builds where stable power and minimal footprint are critical needs.
Ultra Small Size
Length width and height are 17.5×12.3×4.3mm making it perfect for very tight PCB layouts and portable devices.
Stable Power Output
Output ripple less than 30mV with 1MHz switching frequency keeps power clean and protects devices from voltage fluctuations.
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4. 5PCS DC-DC Converter – Best Low Current Regulator
5PCS DC-DC Step Down/Step Up Converter 1.8V-5V to 3.3V, 100mA Max Current
Input 1.8V to 5V range
Output 3.3V fixed voltage
Current up to 100mA max
Step down and up conversion
This converter supports input from 1.8V to 5V and steps up or down to 3.3V making it ideal for battery powered low current projects.
Pros
- Handles input below output
- Ideal for battery projects
- Stable 3.3V output
- Includes five units per pack
- Perfect for low power needs
Cons
- Very limited current capacity
- Not for high power loads
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It works well for devices needing less than 100mA such as sensors or microcontrollers where battery voltage may drop below 3.3V.
While current capacity is low the step up feature ensures stable power even when battery voltage drops below the target output level.
Choose this for low power applications where voltage input may vary and current needs are minimal for long battery life.
Flexible Input Range
Input voltage 1.8V to 5V allows use with various single cell batteries or low voltage sources directly.
Step Up and Down
DC-DC Step Down Step Up Converter ensures 3.3V output even if input voltage is slightly above or below target level.
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5. Dorhea 7 Pack AMS1117 – Best Value Linear Regulator
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
Input 4.75V to 12V range
Output 3.3V fixed voltage
Current up to 800mA max
Linear regulator type design
This Dorhea pack includes seven AMS1117-3.3 modules providing stable 3.3V power from 4.75V to 12V inputs for various electronic devices.
Pros
- Seven modules per pack
- Easy 3 pin connection
- Stable constant power supply
- Includes overheat protection
- Suitable for SCM projects
Cons
- Limited to 800mA output
- Linear design may waste power
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The 3 pin design makes it easy to connect to MCU development boards ensuring constant power supply for sensitive SCM project designs.
While output current is limited to 800mA and it may heat under heavy load the built-in overheat shutdown adds valuable protection.
Pick this value pack for multiple low power circuits where simplicity and cost effectiveness are more important than high current needs.
Easy Connection Design
Voltage regulator converter module features 3 pin design for easy connection to MCU development and constant power supply.
Built-in Safety
AMS1117 overheat shutdown circuit provides overload and over-temperature protection to prevent damage from abnormal working conditions.
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6. AMS1117-3.3 15pcs Pack – Best Bulk Regulator Pack
AMS1117-3.3 DC 4.75V-12V to DC 3.3V Voltage Regulator 15pcs
Input 4.75V to 12V range
Output 3.3V fixed voltage
Current up to 800mA max
Pack of 15 units
This pack offers 15 units of AMS1117-3.3 LDO regulators providing stable 3.3V output with 800mA max current for various microcontroller projects.
Pros
- 15 units in one pack
- Fixed output voltage LDO
- Dynamic voltage difference control
- Overheat and overcurrent protection
- Suitable for battery powered use
Cons
- Limited to 800mA current
- Not for high current loads
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Dynamic voltage difference control minimizes power consumption and it includes overheat and overcurrent protection to prevent damage during operation.
While limited to 800mA the pack offers great value for projects needing multiple low current regulators without worrying about running out.
Choose this bulk pack for large scale prototyping or when building multiple devices that each need a reliable 3.3V regulator module.
Dynamic Voltage Control
Dynamic Voltage Difference Control significantly reduces power consumption and is particularly suitable for battery powered scenarios.
Safety Protection
Built-in overheat protection and overcurrent protection prevent chip damage due to abnormal working conditions during use.
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7. 5PCS Mini Buck Converter – Best Compact PCB Board
5PCS 3.3V Mini Buck Converter Board Regulator – 5-30V to 3.3V, 1.8A Output, Small PCB Board Power Buck Module, Black
Input 5V to 30V range
Output 3.3V fixed voltage
Current up to 1.8A max
Small PCB board size
This board offers a very small size and stable 3.3V output up to 1.8A with a wide input range from 5V to 30V.
Pros
- Wide input voltage range
- High current capacity
- Very small board size
- Stable output voltage
- Includes reverse polarity mark
Cons
- Lower rating than others
- May need external protection
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It features a stable output with ripple under 30mV and reverse polarity mark on the PCB board to protect the circuit.
Though rating is lower than others the high current capacity and versatile application make it suitable for various places and needs.
Pick this board for applications needing high current output and small footprint while ensuring stable voltage across wide input range.
Very Small Size
Very small size of 0.67×0.24×0.16 inches makes it perfect for compact builds and tight layouts.
Stable Output
Output ripple less than 30mV with 1MHz switching ensures stable output voltage making it an ideal choice.
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8. 5pcs 3.3V DC-DC Buck – Best Wide Input Regulator
5pcs 3.3V DC-DC Buck Converter, 4.5V-30V to 3.3V Step Down Regulator
Input 4.5V to 30V range
Output 3.3V fixed voltage
Peak current up to 1.8A
Ultra compact module size
This converter features wide 4.5V to 30V input range allowing stable 3.3V output up to 1.8A peak for various power sources.
Pros
- Wide 4.5V to 30V input
- Works with vehicle power
- Ultra compact design
- Output ripple under 30mV
- Ready for Arduino and ESP32
Cons
- Rating shows as N/A
- Requires soldering for use
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Its ultra compact design fits wearables and drones while output ripple under 30mV ensures clean power for microcontrollers and sensors.
Though current rating is N/A the specs suggest reliable performance suitable for Arduino and Raspberry Pi projects requiring stable voltage.
Choose this for vehicle power or solar panel applications where input voltage varies widely and compact size is highly needed.
Wide Input Range
Wide 4.5V to 30V input range works with 12V 24V batteries solar panels and vehicle power sources.
Compact Design
Ultra-compact at just 17.5×12.3×4.3mm fits wearables drones IoT devices and tight PCB layouts easily.
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9. 10PCS 5V to 3.3V – Best Step Down Pack
10PCS 5V to 3.3V DC-DC Step Down Power Supply Buck Module AMS1117 800MA Automatic Adjustable Boost Board Start Limit Voltage
Input 4.5V to 7V range
Output 3.3V fixed voltage
Current up to 800mA max
Automatic adjustable boost board
This pack includes 10 units of AMS1117 800MA buck modules delivering stable 3.3V output from 4.5V to 7V input efficiently.
Pros
- 10 units per pack
- Stable 3.3V output
- Automatic adjustable boost feature
- Compact step down module
- Suitable for low voltage needs
Cons
- Limited input range to 7V
- Do not exceed operating voltage
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The automatic adjustable boost board ensures reliable performance while keeping the load current under 800mA for safe operation.
While input range is limited to 7V the pack offers great value for multiple projects needing compact step down power supply modules.
Choose this pack for applications where input is near 5V and multiple units are needed for testing or small batch builds.
Automatic Adjustment
Automatic Adjustable Boost Board ensures operating voltage stays within limits to avoid damage during use.
Compact Step Down
DC-DC Step Down Power Supply Buck Module provides stable output with minimal space required on PCB.
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10. 3.3V Regulator MP1584EN – Best High Current Mini Module
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)
Input 4.5V to 24V range
Output 3.3V fixed voltage
Current up to 1.8A max
MP1584EN small size module
This Mini360 module offers very small size and high 1.8A output with MP1584EN ensuring stable 3.3V output across various inputs.
Pros
- MP1584EN high efficiency
- Output up to 1.8A
- Very small dimensions
- Low ripple under 30mV
- Suitable for aircraft models
Cons
- Add Zener capacitor for motors
- Soldering required for use
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Output ripple less than 30mV and switching frequency of 1.5MHz provide clean power for sensitive devices and aircraft model applications.
Users should add Zener and capacitor for inductive loads like motors to protect downstream chips from large ripple generated during use.
Select this module for high current compact builds where space is limited and stable voltage is essential for reliable operation.
High Current Output
Maximum output current can reach 1.8A making it ideal for applications requiring higher power delivery.
Very Small Dimensions
Length width and height are 17x11x3.6mm making it suitable for very tight and compact circuit layouts.
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Buying Guide – How to Choose the Best 5V to 3V Voltage Regulator
Selecting the right voltage regulator requires considering input range output current size and protection features.
Input Voltage Range
Ensure the module supports your source voltage such as 5V or 12V to avoid damage and ensure proper operation.
Choose wide range modules for flexibility if you work with varying power sources in different projects.
Output Current Capacity
Match regulator current output to your device needs as exceeding capacity causes voltage drops and potential failure.
High current needs require buck converters while low current devices can use simpler linear options.
Module Size
Compact modules save space on your PCB especially for portable or wearable electronics and tight layouts.
Consider overall dimensions and footprint when integrating regulators into small projects.
Ripple and Noise
Low ripple output under 30mV is vital for sensitive microcontrollers and sensors to avoid data errors.
Switching regulators usually offer low ripple but check specs to ensure clean power delivery.
Thermal Management
Modules with overheat protection are safer for continuous use preventing damage from overheating under load.
Ensure good ventilation or choose modules with heatsinks if operating near thermal limits.
Ease of Connection
Simple 3 pin designs reduce soldering effort and minimize wiring errors during prototyping and assembly.
Look for clear pin labels and standard layouts to streamline your development workflow.
Pack Size
Buying in packs of 5 to 15 provides cost savings and backups for testing multiple projects.
Select pack sizes that match your expected usage to avoid unnecessary stock or frequent reordering.
Protection Features
Modules with built-in over current and overheat protection enhance reliability and protect your valuable components.
Prioritize regulators with comprehensive safety features to ensure stable operation under varying conditions.
How to Use and Care for Your 5V to 3V Voltage Regulator
Connect input terminals to your power source ensuring correct polarity to avoid damaging the module or connected devices.
Solder output terminals securely to your circuit boards and verify connections before powering on to prevent short circuits.
Monitor temperature during operation and add heatsinks or fans if the module runs hot under continuous heavy loads.
Frequently Asked Questions
Can I use a 5V to 3V regulator for 3.3V logic devices?
Yes most regulators output stable 3.3V which is standard for many modern microcontrollers sensors and logic devices requiring low voltage power.
What is the difference between linear and buck regulators?
Linear regulators are simple but dissipate excess power as heat while buck converters switch efficiently offering higher efficiency and lower heat generation.
Do these regulators require external capacitors?
Most modules come with capacitors but adding input and output caps improves stability and reduces noise especially in sensitive circuits.
How do I protect motors connected to regulators?
Always add a flyback diode and capacitor when connecting inductive loads like motors to prevent voltage spikes damaging the regulator or chips.
Can I use these regulators with 12V power supplies?
Yes many modules accept input up to 12V or higher allowing direct connection to 12V sources without additional voltage reduction.
What should I consider for battery powered projects?
Choose regulators with low quiescent current and wide input ranges to maximize battery life and support voltage drop as battery discharges.
Final Thoughts on Choosing the Best 5V to 3V Voltage Regulator
The top picks deliver stable power across different current needs and input ranges ensuring reliable performance for various electronics.
Prioritize compact size and efficiency for portable builds and consider protection features for safety when working with inductive loads.
Always verify current prices and stock levels before purchasing to ensure you get the best value for your specific project needs.