Mini 360 Ultra Compact DC-DC Buck Converter: 17mm Synchronous Rectifier Power Module with Adjustable 1-17V Output

The Mini-360 DC-DC buck converter represents a specialised solution for electronic engineers, makers, and hobbyists requiring reliable voltage reduction in constrained spaces. Measuring just 17mm × 11mm × 3.8mm, this ultra-small synchronous rectifier buck module converts higher input voltages between 4.75V and 23V down to adjustable outputs ranging from 1.0V to 17V. Through synchronous rectification technology and integrally moulded components, it achieves maximum 96% conversion efficiency while operating across an industrial temperature range from -40°C to +85°C. The module provides ±2.5% voltage regulation and ±0.5% load regulation, making it suitable for prototype development, embedded systems, and portable electronics where both space efficiency and power stability matter.

Features and Construction

The Mini-360 combines advanced power conversion technology with compact physical design to deliver performance in minimal space. Its construction centres around synchronous rectification rather than traditional diode-based approaches, reducing switching losses and improving overall efficiency.

Material and Build

The module utilises an integrally moulded power inductor that combines magnetic components within a single structure, reducing physical size while maintaining electromagnetic performance. This design approach eliminates separate inductor assemblies, contributing to the 17mm × 11mm × 3.8mm footprint. The synchronous rectifier control chip manages the switching process at 340KHz frequency, coordinating power delivery with minimal losses. The green-coloured PCB provides visual identification while housing all necessary components without requiring additional shielding or casing.

Size and Practical Fit

With dimensions of 17mm length, 11mm width, and 3.8mm height, this converter occupies minimal space on prototyping boards or within finished products. The compact form factor allows installation in tight locations where traditional buck converters would be impractical. Despite its small size, the module maintains standard pin spacing compatible with common prototyping systems, facilitating integration without requiring specialised connectors or mounting hardware.

Uses and Placement

The Mini-360's combination of adjustable output, efficient operation, and compact design supports various applications across electronics development and production environments. Its specifications make it particularly suitable where both performance consistency and spatial economy are important considerations.

Event or Professional Use

In professional electronics development, the module serves as a versatile power conditioning component for prototype testing and embedded system design. Engineers can use it to provide stable, adjustable voltages to microcontrollers, sensors, and peripheral circuits during development phases. The broad -40°C to +85°C operating temperature range makes it suitable for environmental testing chambers and industrial applications where temperature extremes might affect less robust components. Its 30mV no-load output ripple and tight regulation specifications support precision analogue circuits and measurement equipment.

Everyday Home Use

For electronics hobbyists and makers, the Mini-360 offers a convenient solution for powering Arduino projects, Raspberry Pi accessories, LED lighting systems, and custom electronics. The adjustable 1.0V to 17V output range allows compatibility with various components requiring different operating voltages. The module's 1.8A continuous output capability (with 3A maximum under specific conditions) provides sufficient current for most small to medium projects without requiring bulky heat sinking. Its compact size makes it ideal for fitting inside enclosures for finished projects where internal space is limited.

Benefits and Buying Value

The Mini-360 delivers practical advantages through its combination of technical specifications, physical design, and operational characteristics. These benefits translate to tangible value for users seeking reliable power conversion without unnecessary complexity or excessive space consumption.

Reuse and Low Maintenance

As a standalone module rather than an integrated system component, the Mini-360 can be reused across multiple projects without modification. Its standard pin configuration allows removal from one circuit and implementation in another, extending its useful lifespan beyond single applications. The module requires minimal maintenance beyond ensuring connections remain secure and operating within specified temperature and voltage parameters. No specialised calibration or software configuration is needed beyond adjusting the output voltage potentiometer.

Why Choose This Product

Selecting the Mini-360 provides several distinct advantages over larger or less efficient alternatives. Its synchronous rectification approach delivers higher efficiency than traditional diode-based buck converters, reducing power loss and heat generation. The adjustable output voltage via onboard potentiometer offers flexibility without requiring external components or complex circuitry. The combination of compact dimensions with industrial temperature range operation makes it suitable for both benchtop prototyping and finished products destined for challenging environments. These characteristics, combined with straightforward implementation, make it a practical choice for diverse voltage conversion requirements.