Description : USB DC-DC Buck Converter Module 5V Step Down Power Board

The USB DC-DC Buck Converter Module is a high-performance step-down power solution designed to convert higher DC voltages into a stable 5V USB output. Featuring a high-efficiency buck regulator, premium inductor, and low-ripple capacitors, this module ensures reliable power delivery with minimal heat generation.

Equipped with a USB Type-A port, it allows direct powering of USB devices such as Arduino boards, ESP modules, mobile phones, and IoT projects. The onboard heatsink enhances thermal performance, making it suitable for continuous high-current operation.

This compact and durable module is perfect for DIY power supplies, car USB chargers, battery-powered projects, solar systems, and embedded electronics. Easy to integrate and highly efficient, it is an essential component for electronics hobbyists and professionals alike

Specifications

• Module Type: DC-DC Buck (Step Down) Converter
• Input Voltage Range: 6V – 40V DC
• Output Voltage: 5V DC (fixed)
• Output Port: USB Type-A
• Max Output Current: Up to 3A (with adequate cooling)
• Conversion Efficiency: Up to 96%
• Cooling: Onboard heatsink
• Protection: Over-current & thermal protection
• Connector Type: USB Female
• Application: Power supply, DIY electronics

Key Features

• High-Efficiency DC-DC Buck Converter – Step-down voltage conversion with low heat loss
• USB-A Output Port – Directly power USB devices like phones, Arduino, ESP, etc.
• Wide Input Voltage Range – Suitable for batteries, adapters, and solar sources
• Stable 5V Output – Reliable power supply for sensitive electronics
• High Current Capability – Supports high load with proper cooling
• Premium Inductor & Capacitors – Ensures smooth voltage regulation
• Onboard Heat Sink – Improved thermal performance under heavy load
• Compact PCB Design – Easy to integrate into DIY and embedded projects
• Plug-and-Play USB Power – No extra wiring for USB-powered devices

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Package Included

1 × USB DC-DC Buck Converter Module