USB 5V DC-DC Boost Buck Converter Module – 3W Adjustable Voltage Regulator

Need a compact, reliable way to regulate or convert DC voltage in your electronics projects? This USB 5V Boost Buck Conversion Module delivers up to 3W of adjustable output power, making it an essential component for hobbyists, makers, and engineers alike. Whether you're powering microcontrollers, sensors, or custom circuits, this versatile module handles both step-up (boost) and step-down (buck) conversion in one small, convenient board.

Key Features

Dual-Mode Operation: Functions as both a boost (step-up) and buck (step-down) DC-DC converter for maximum flexibility
USB 5V Input: Powered conveniently via standard USB 5V supply — no bench power supply needed
Adjustable Output Voltage: Dial in the exact voltage your project requires with the on-board adjustment
3W Power Output: Capable of delivering up to 3 watts — suitable for a wide range of low-power electronic applications
Compact PCB Design: Small form factor fits easily into enclosures, breadboards, and custom builds
Available in 2 Color Options: Choose the style that suits your build aesthetic
Wide Compatibility: Works with a variety of input/output voltage ranges including 3.3V, 7.4V, 4.2V, 9V–24V configurations

Ideal For

DIY electronics and maker projects
Arduino, Raspberry Pi, and microcontroller builds
Battery-powered portable devices
Prototyping and lab benchtop use
Custom LED drivers and sensor power supplies

Specifications

Input Voltage: USB 5V DC
Output Power: Up to 3W
Conversion Type: Boost (step-up) & Buck (step-down)
Output Voltage: Adjustable (supports 3.3V, 4.2V, 7.4V, 9V–24V range)
Form Factor: Compact PCB module
Available Colors: 2 options

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Frequently Asked Questions

Q: What does a boost buck DC-DC converter module do?

A: A boost buck DC-DC converter module can both step up (boost) and step down (buck) an input voltage to produce a different, adjustable output voltage. This USB 5V module takes a standard USB power input and converts it to the voltage level your specific electronics project requires — all in a compact, easy-to-use PCB board.

Q: What output voltages can this USB conversion module support?

A: This adjustable 3W module supports a wide range of output voltages including common values like 3.3V, 4.2V, 7.4V, and ranges from 9V up to 24V, depending on configuration. The on-board adjustment allows you to fine-tune the output to match your project's requirements.

Q: Is this module suitable for beginners and DIY makers?

A: Absolutely. The USB-powered input means you can run it from any standard USB charger or power bank, making it beginner-friendly and highly portable. Its compact size and straightforward adjustability make it a go-to component for both first-time makers and experienced electronics enthusiasts.

Q: Can I use this module in an Arduino or Raspberry Pi project?

A: Yes — this boost buck converter is well-suited for use alongside microcontrollers like Arduino or single-board computers like Raspberry Pi. It can supply regulated voltage to components that require a different voltage level than your main power source provides.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.