MP1584EN Mini 3A Adjustable Buck Converter Module
MP1584EN Mini 3A Adjustable Buck Converter Module is a compact DC-DC step-down power module designed to convert a higher DC input voltage into a lower adjustable output voltage. It is based on the MP1584EN switching regulator and provides an adjustable output range of approximately 0.8V to 20V from a 4.5V to 28V DC input. Its ultra-small size makes it ideal for Arduino, ESP32, robotics, drones, RC projects, embedded systems, battery-powered devices and other compact electronics projects. The output voltage can be adjusted using the onboard potentiometer. For reliable operation, the 3A figure should be treated as a maximum rating; practical continuous current depends on thermal conditions and the specific module.
| Module Type | DC-DC Buck / Step-Down |
| Controller IC | MP1584EN |
| Input Voltage | 4.5–28V DC |
| Output Voltage | 0.8–20V DC Adjustable |
| Maximum Output Current | 3A |
| Recommended Continuous Current | ~1.5–1.8A |
| Switching Frequency | Up to 1.5MHz |
| Efficiency | Up to 92–96%* |
| Output Ripple | <30mV* |
| Adjustment | Onboard Potentiometer |
| Isolation | Non-Isolated |
| Dimensions | Approx. 22 × 17 × 4mm |
| Applications | Arduino, ESP32, Robotics, Drones, RC Projects |
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