DC 5A Buck Converter Module 6.5-60V to 3.3V Step-Down
DC 5A Buck Converter Module 6.5-60V to 3.3V Step-Down
DC 5A Step-Down Power Supply Module – Compact, Efficient & Reliable
This DC Buck Converter Power Supply Module delivers stable, high-efficiency voltage regulation from a wide input range (DC 6.5–60V) down to a fixed DC 3.3V output. Designed for electronics projects, DIY builds, and embedded systems, it combines a compact footprint with impressive 96% conversion efficiency — making it an excellent choice for energy-sensitive applications.
Made in Mainland China.
Key Features
- Multiple Protection Design: Built-in anti-reverse connection, anti-sparking, and overcurrent/overvoltage protection for safe, dependable operation.
- High-Quality Components: Low ripple (<50mV), low heat generation, and high stability for reassuring long-term use.
- Wide Input Voltage Range: Accepts DC 6.5V–60V, making it highly versatile across many power sources and applications.
- 5A Stable Output: Supports up to 5A continuous output current, easily handling high-load demands.
- Ultra-Compact Form Factor: Measures just 4.3 × 1.65 cm (1.69 × 0.65 in) with a maximum height of 8mm — perfect for space-constrained builds.
- 96% Conversion Efficiency: Energy-saving performance that also excels in high-temperature environments (operating range: -40°C to +150°C).
- Non-Isolated Step-Down Circuit: Straightforward integration into your existing electronics setup.
Technical Specifications
| Input Voltage | DC 6.5V – 60V |
| Output Voltage | DC 3.3V (fixed) |
| Output Current | 5A (maximum) |
| Power | 24W / 60W |
| Standby Current | 146 µA |
| Output Ripple | <50mV |
| Conversion Efficiency | Up to 96% |
| Circuit Type | Non-isolated step-down (buck) |
| Dimensions | 4.3 × 1.65 cm / 1.69 × 0.65 in |
| Max Height | 8 mm |
| Working Temperature | -40°C to +150°C |
Important Note on Heat Dissipation
For extended full-power operation at 5A, adding a cooling fan is recommended to ensure proper heat dissipation and stable performance. Without dedicated heat dissipation measures, it is advised to keep usage within 3.5A for sustained reliability.
Package Contents
- 1 × DC Step-Down Buck Converter Power Supply Module
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Frequently Asked Questions
Q: What is the input voltage range for this DC buck converter module?
A: This step-down power supply module accepts a wide input voltage range of DC 6.5V to 60V, making it compatible with a broad variety of power sources including batteries, solar panels, and DC power supplies.
Q: Do I need a heatsink or fan to run this module at full 5A output?
A: For short-duration or intermittent use at 5A, the module can operate without additional cooling. However, for continuous full-load operation, adding a small cooling fan is strongly recommended. Without active cooling, it is best to limit output to 3.5A for reliable, long-term performance.
Q: What circuit type does this module use?
A: This module uses a non-isolated step-down (buck) circuit topology, which efficiently reduces a higher DC input voltage to a fixed 3.3V DC output with up to 96% conversion efficiency.
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.