DC-DC Step Down Voltage Regulator Module 5-16V to 1.25-8V 3A

Super Mini DC-DC Step Down Voltage Regulator Power Supply Module

Compact, efficient, and highly versatile — this DC-DC Step Down (Buck) Voltage Regulator Module is the perfect solution for electronics hobbyists, engineers, and makers who need reliable, adjustable power conversion in a tiny footprint. Whether you're powering microcontrollers, sensors, or custom electronics projects, this module delivers stable, precise output voltage with impressive efficiency.

Key Features

• Wide Input Range: Accepts DC 5V–16V input, compatible with a broad range of power sources including USB, batteries, and wall adapters.
• Multiple Fixed Output Voltages: Select from 1.25V, 1.5V, 1.8V, 2.5V, 3.3V, 5V, or 8V fixed output options — ideal for powering a wide variety of electronic components and circuits.
• High-Efficiency MP1495 Buck Chip: Features the onboard MP1495 synchronous buck converter chip with up to 90% power conversion efficiency, minimizing energy waste and heat generation.
• Maximum Output Current: Up to 3A continuous output current, suitable for driving moderate loads reliably.
• Ultra-Compact Design: Super mini form factor makes it easy to integrate into tight spaces, enclosures, or prototype boards without taking up valuable real estate.
• Short-Circuit & Overcurrent Protection: Built-in safety features help protect your components and the module itself.
• Plug-and-Play Ready: No soldering required for basic use — ready to integrate right out of the package.

Technical Specifications

• Input Voltage: DC 5V – 16V
• Output Voltage: 1.25V / 1.5V / 1.8V / 2.5V / 3.3V / 5V / 8V (fixed, selectable)
• Maximum Output Current: 3A
• Conversion Efficiency: Up to 90%
• Chip: MP1495 Synchronous Buck Converter
• Form Factor: Super Mini / Compact Module

Who Is This For?

This step-down regulator module is a go-to component for:

• DIY electronics and Arduino/Raspberry Pi projects
• Robotics and automation builds
• Custom power supply designs
• RC vehicles and hobby electronics
• Prototyping and breadboard circuits

Learn More About Power Electronics

For technical guidance on electronic components and standards, visit the National Institute of Standards and Technology (NIST) – Electronics, a trusted resource for electronics standards and measurements.

Frequently Asked Questions

Q: What input voltage does this DC-DC step down voltage regulator module support?

A: This step-down buck converter module accepts a wide DC input voltage range of 5V to 16V, making it compatible with many common power sources such as USB power banks, Li-ion battery packs, 12V adapters, and more.

Q: What output voltages are available on this step down regulator?

A: The module supports multiple fixed output voltage options: 1.25V, 1.5V, 1.8V, 2.5V, 3.3V, 5V, and 8V. This makes it highly versatile for powering a wide range of microcontrollers, sensors, and electronic circuits.

Q: How efficient is this buck converter module?

A: Thanks to the onboard MP1495 synchronous buck chip, this module achieves a power conversion efficiency of up to 90%. This means less wasted energy, cooler operation, and longer battery life in portable applications.

Q: Is this voltage regulator module safe to use in DIY electronics projects?

A: Yes. The module includes built-in short-circuit and overcurrent protection features, helping to safeguard both the module and your connected components during use. Always ensure your input power source does not exceed 16V.