CL3631AH DC-DC Step-Down Buck Converter with USB Output and LED Voltmeter Display

CL3631AH DC-DC Step-Down Buck Converter with USB Output and LED Voltmeter Display

Regulate and monitor your DC power supply with the CL3631AH step-down buck converter module. Featuring a 3-digit red LED voltmeter display, USB Type-A output port, and a blue screw terminal input, this compact module delivers stable regulated 5V USB output from a wide DC input range - ideal for solar power stations, battery-powered USB chargers, and embedded power supply projects.

Key Features

• CL3631AH step-down (buck) converter IC - efficient DC-DC voltage regulation
• 3-digit red LED voltmeter display - real-time output voltage monitoring
• USB Type-A output port - charge phones or power 5V USB devices directly
• Blue 2-pin screw terminal input - secure connection for input power wires
• PWR and GND output pads - solder points for direct circuit connection
• Compact blue PCB - easy to integrate into enclosures and power supply builds
• Suitable for solar panel USB charging stations, battery backup outputs and DIY power regulators

Specifications

• Converter IC: CL3631AH
• Topology: Step-Down (Buck)
• Input Voltage: 4.5V - 24V DC (via screw terminal)
• Output Voltage: 5V fixed (USB output)
• Output Current: Up to 2A (subject to input and thermal conditions)
• Display: 3-digit red 7-segment LED voltmeter
• Output Port: USB Type-A
• Additional Output: PWR / GND solder pads
• PCB Color: Blue

Perfect For

• Solar Panel USB Charging Stations
• 12V to 5V USB Converter for Vehicles and Boats
• Li-ion Battery Pack USB Output Module
• DIY Power Bank and Portable Charger Builds
• Arduino / ESP32 Project Power Supply with Voltage Monitor
• Bench Power Supply USB Output Stage

Order now and add a reliable regulated USB output with live voltage monitoring to your power supply project.