LM2596 DC to DC Step Down Adjustable Module with LED Display

The LM2596 DC-DC step-down buck converter module features an integrated LED voltmeter display for real-time voltage monitoring, making it perfect for power supply projects, battery charging systems, and voltage regulation applications. This high-efficiency switching regulator converts higher DC voltages down to your desired output voltage with up to 92% efficiency, minimizing heat generation and power loss. The onboard potentiometer allows precise output voltage adjustment from 1.25V to 35V DC.

Capable of delivering up to 3A continuous current (2A recommended for optimal thermal performance), this module handles a wide range of loads including LED drivers, motor controllers, and electronic circuits. The built-in LED display eliminates the need for external multimeters, providing instant voltage feedback during adjustment and operation. Includes short circuit protection, thermal shutdown, and overcurrent protection for safe, reliable operation. The compact design with screw terminals ensures easy integration into DIY electronics projects, automotive applications, and solar power systems.

Specifications:

• IC Chip: LM2596 (LM2596S-ADJ)
• Module Type: DC-DC Step-Down (Buck) Converter
• Input Voltage: 4.5V – 40V DC
• Output Voltage: 1.25V – 35V DC (adjustable)
• Output Current: 3A maximum (2A recommended continuous)
• Conversion Efficiency: Up to 92%
• Switching Frequency: 150 kHz
• Output Ripple: <50mV (typical)
• Voltage Display: LED Digital Voltmeter (2-wire)
• Display Range: 0-40V DC
• Display Accuracy: ±0.1V
• Display Color: Red LED (typical)
• Adjustment Method: Multi-turn potentiometer (screwdriver adjust)
• Load Regulation: ±0.5%
• Line Regulation: ±0.5%
• Protection Features: Short circuit, Thermal shutdown, Overcurrent
• Operating Temperature: -40°C to +85°C
• Input/Output Terminals: Screw terminals
• PCB Dimensions: 43mm x 21mm x 14mm (approximately)
• Mounting Holes: Yes (fixed screw holes)
• Heatsink: Included on LM2596 IC