8V-80V 20W Buck Power Supply to 1.25V-20V Adjustable

The High Voltage 20Watt Buck Power Supply is a robust step-down converter module designed to efficiently regulate voltage across a wide input range. Built around the XL7056 high-efficiency buck converter IC, this board is perfect for hobbyists, makers, and professionals who need reliable power conversion for their projects. Its compact design and impressive power handling capability make it ideal for applications ranging from automotive electronics to industrial control systems and battery-powered devices.

Key Features:

• Wide Input Voltage Range: Accepts input voltages from approximately 4.75V to 70V, (80V MAX < 1Minute) making it suitable for various power sources including automotive and industrial supplies.
• Adjustable Output Voltage: Features a blue potentiometer for easy adjustment of the output voltage to meet your project requirements.
• High Power Output: 1.25V ... 20V Capable of delivering up to 20 watts of continuous power, suitable for demanding applications.
• Efficient Buck Conversion: High-efficiency step-down topology minimises heat generation and maximises battery life in portable applications.
• Compact PCB Design: Small form factor allows for easy integration into space-constrained projects and enclosures.
• Screw Terminal Input: (OPTIONAL) Provision made for blue two-position terminal block for secure and easy input connections.
• Solder Pad Outputs: Output pads on the PCB for flexible connection options to your load.
• On-Board Inductor: Large toroidal inductor visible on the PCB ensures stable power conversion with low ripple.
• Electrolytic Capacitors: Two substantial aluminium electrolytic capacitors (47µF and 470µF ratings visible) provide input and output filtering for clean, stable voltage.
• Integrated Circuit: XL7056 buck converter IC with built-in power switch for simplified design and reliable operation.
• High Switching Frequency: Enables the use of smaller external components whilst maintaining excellent efficiency.
• Over-Current Protection: Built-in current limiting helps protect both the module and your connected devices.
• Operating Temperature Range: Suitable for use across a wide temperature range typical of industrial and automotive environments.
• LED Indicator: On-board power indicator LED for quick visual confirmation of operation.

Applications

• Automotive Electronics: Step down vehicle power to lower voltages for microcontrollers, sensors, and displays.
• Battery-Powered Projects: Efficiently regulate voltage from lithium-ion, lead-acid, or other battery packs to extend runtime.
• Industrial Control Systems: Provide stable power for PLCs, sensors, and control circuits from higher-voltage industrial supplies.
• DIY Electronics and Prototyping: Versatile power supply solution for workshop projects requiring adjustable voltage regulation.
• Solar and Renewable Energy: Regulate voltage from solar panels or wind generators for charging systems and electronics.

Why Choose the High Voltage 20Watt Buck Power Supply? This XL7056-based buck converter offers an excellent combination of versatility, efficiency, and power handling in a compact package. Its wide input voltage range and adjustable output make it a flexible solution for countless applications, whilst the robust design ensures reliable operation even in demanding environments. Whether you're building an automotive project, creating a battery-powered device, or simply need a dependable workshop power supply, this module delivers professional performance at an accessible price point.