Mini 360 DC-DC Step Down Buck Converter Module – OverviewThe Mini 360 DC-DC Step Down Buck Converter Module is a compact, high-efficiency voltage regulator based on the MP2307 switching IC. It steps higher DC voltages down to a stable lower voltage for microcontrollers, sensors, LEDs and portable electronics. Despite its tiny 17 mm x 11 mm footprint, the module can deliver up to 1.8A with proper cooling while providing built-in thermal and short-circuit protection.Mini 360 Buck Converter PhotoKey SpecificationsInput Voltage: 4.75V to 23V DCOutput Voltage: 1V to 17V DC (adjustable)Output Current: up to 1.8A (recommended <= 1.2A for continuous stable operation)Efficiency: up to 95% (depends on input/output differential and load)Switching Frequency: 340 kHz (MP2307)Size: 17 mm x 11 mm x 4 mm (approx.)Protections: built-in thermal shutdown and short-circuit protectionUltra-compact PCB for space-constrained designsFeatures and BenefitsSmall form factor lets you integrate reliable voltage regulation into portable and embedded projects.High-efficiency switching regulator reduces heat and extends battery life in battery-powered applications.Adjustable output from 1V gives flexibility for powering various microcontrollers and modules.Protection features help prevent damage from overheating and short circuits.Wide input range supports common battery chemistries and supply rails, including Li-Ion and multi-cell packs.Typical ApplicationsPower supply for Arduino, ESP8266, ESP32, Raspberry Pi Pico, STM32 and other microcontrollersBattery-powered gadgets and Li-Ion/Li-Po packsRobotics, IoT devices and sensor nodesLED drivers, portable electronics and DIY power banksGeneral step-down voltage regulation in compact electronicsWiring, Adjustment and Installation TipsConnections: VIN and GND to input source, VOUT and GND to load. Observe polarity to avoid damage.Adjust output using the onboard potentiometer while measuring the output with a reliable multimeter.For best regulation and reduced noise, place input and output decoupling capacitors close to the module if your design permits.When drawing near the 1.8A peak rating, ensure adequate heat dissipation. For continuous currents above 1.2A, add airflow or a heatsink to improve thermal performance.Avoid large VIN to VOUT differences at high load to reduce stress and heat generation on the module.Performance Notes and SafetyActual efficiency depends on input voltage, output voltage and load current. Typical peak efficiency is around 95% under ideal conditions.Short-circuit and thermal protection safeguard the module but should not replace proper fuse or current-limiting measures in critical designs.Always verify voltage adjustment before connecting sensitive electronics.Ordering Information and CompatibilityThe Mini 360 Buck Converter Module is ideal for hobbyists, makers and engineers looking for a compact DC-DC step-down solution. It integrates easily on breadboards, PCBs and in custom enclosures. Use it to power microcontrollers, sensors and low-power peripherals from higher-voltage battery packs or supply rails.Note: Images are for illustration purposes only. Category: Buck, Boost Converters and Regulators College Road Electronics4.85 (317 Reviews)
