DC-DC 9A 300W Step-Down Buck Converter Module (5–40V to 1.2–35V)
Efficiently convert higher DC voltages to lower, stable output voltages with the DC-DC 9A 300W Step-Down Buck Converter Module. Designed for high-power applications, this adjustable power supply module can accept an input voltage of 5V to 40V DC and deliver a regulated output voltage from 1.2V to 35V DC.
Built with high-efficiency switching technology, this converter minimizes power loss and heat generation, making it ideal for powering electronics, charging batteries, robotics projects, LED systems, and industrial applications.
Key Features
High Power Output
Supports up to 300W maximum output power.
Adjustable Output Voltage
Easily adjust output voltage between 1.2V and 35V DC using the onboard potentiometer.
High Current Capability
Continuous output current up to 9A (adequate cooling recommended for high-current operation).
High Conversion Efficiency
Efficiency can reach up to 95%, reducing energy loss and heat generation.
Wide Input Voltage Range
Compatible with power sources from 5V to 40V DC.
Built-In Heat Dissipation
Equipped with a heatsink for improved thermal performance.
Stable and Reliable Operation
Suitable for both hobbyist and industrial power applications.
Applications
Arduino and ESP32 power supplies
Robotics and automation systems
LED lighting projects
Battery charging systems
DIY bench power supplies
Automotive electronics
Solar power projects
Industrial control systems
CCTV and communication equipment
Connection Guide
Input Side
IN+ → Positive DC input
IN− → Negative DC input
Output Side
OUT+ → Positive regulated output
OUT− → Negative output
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