LM2596 DC-DC Adjustable Step-Down Buck Converter Module

High-efficiency adjustable step-down voltage regulator module featuring an integrated 3-digit LED voltmeter display for real-time output voltage monitoring. Built around the reliable LM2596 switching regulator IC, this module delivers stable DC power conversion with excellent load and line regulation.

Key Features:

• Adjustable output voltage with onboard potentiometer
• Built-in 3-digit LED voltmeter for output voltage monitoring
• High conversion efficiency up to 92%
• Overcurrent and thermal protection
• Compact PCB design with mounting holes
• Onboard input/output filter capacitors for stable operation

Technical Specifications:

• Input Voltage: 4V - 40V DC
• Output Voltage: 1.25V - 37V DC (adjustable)
• Output Current: 2A (max 3A with heatsink)
• Conversion Efficiency: Up to 92%
• Switching Frequency: 150 KHz
• Display: 3-digit LED voltmeter (0.28 inch)
• Operating Temperature: -40°C to +85°C
• PCB Size: Approximately 50mm x 35mm

Applications:

Ideal for DIY electronics projects, battery charging circuits, automotive applications, solar power systems, LED driver circuits, and general-purpose DC power supply requirements.

Note: Input voltage must be at least 1.5V higher than desired output voltage for proper regulation.