Adjustable Voltage Regulator with LED Display – DC - DC Step Down Converter (4.0~40V to 1.3~37V) (2pcs)

Product Overview:

🛠️ The LM2596 DC-DC Step Down Converter Voltage Regulator is a versatile and highly efficient power supply module designed to convert higher input voltages to a lower output voltage. Featuring a user-friendly LED display voltmeter for precise voltage monitoring, this converter is suitable for a wide range of applications including battery management, DIY adjustable power supplies, and various electronic projects.

Applications:

🔴 This step-down converter is ideal for situations where the input voltage exceeds the desired output voltage. It can be applied in diverse fields such as:

• Batteries and power systems
• Power transformers
• Automotive power equipment (e.g., 12V and 24V systems)
• DIY electronics and prototyping projects
• Voltage regulation for various devices (e.g., supplying 3.3V, 5V, or 12V from a higher voltage source)

⚙️ Technical Specifications:

🛠️ This module is designed with precision and performance in mind:

• Model: LM2596ADJ DC-DC Step-down Module
• Dimensions: 66mm x 36mm x 14mm (L x W x H)
• Weight: 23g
• Color: Blue
• Material: Durable FR4 PCB and electronic components

🛡️ Voltage Measurement:

🪶 The built-in voltmeter is equipped with advanced microprocessor technology, providing an impressive accuracy of ± 0.05V within a measurement range of 0 to 40V. For optimal accuracy, ensure that the input voltage is maintained at 4.5V or above.

🔧 User-Friendly Features:

🔘 With a simple button interface, users can easily switch between input and output voltage readings, which are visually confirmed with synchronized LED indicators. The unit is capable of saving settings even when switched off, allowing for hassle-free adjustments and usability.

Voltage Adjustment:

🧩 The output voltage is continuously adjustable from 1.25V to 37V, provided the input voltage exceeds the output voltage by at least 1.5V. The converter can safely deliver up to 3A of output current, with a recommendation of using within 2.0A for prolonged reliability and performance.

🛡️ Efficiency and Protection:

💍 This step-down converter boasts a high conversion efficiency of approximately 88%, which may vary based on input and output voltage and current characteristics. Further enhancing its reliability, the unit includes reverse polarity protection, ensuring that accidental miswiring will not damage the device.

Operational Tips:

🔴 In case the output voltage is not adjustable, turn the potentiometer counterclockwise at least 20 full rotations to reset it. Always remember to ensure the input voltage maintains at least 1.5V higher than the desired output voltage, especially when operating at high currents or power levels, to prevent overheating.