LM2596S DC-DC Buck Converter Adjustable Power Supply

LM2596S DC-DC Buck Converter Adjustable Power Supply is an essential module for any electronics enthusiast or engineer who needs to efficiently step down a higher voltage to a stable, lower voltage. This powerful module uses the highly efficient LM2596 switching regulator IC, which significantly outperforms traditional linear regulators by minimizing power loss in the form of heat. You can use it in a wide range of projects, from powering microcontrollers and sensors to creating a stable power source for LED strips and small motors. A key feature is its ability to adjust the output voltage, providing the flexibility you need for different components and applications.

Key Features:

• High Efficiency: The switching mode design of the LM2596 IC delivers up to 92% efficiency, which means less energy is wasted as heat, making it perfect for battery-powered projects.
• Adjustable Output Voltage: A built-in potentiometer lets you easily tune the output voltage from 1.25V to 35V, allowing for precise control over your power supply.
• Wide Input Voltage Range: The module accepts a broad input voltage from 4V to 40V, providing versatility for various power sources, including batteries and wall adapters.
• Built-in Protection: The LM2596 IC includes thermal shutdown and current limit protection, which helps safeguard your circuit from overheating and overcurrent conditions.
• Stable Output: It provides a reliable and stable DC output voltage, crucial for sensitive electronic components that require a clean power source.

Technical Specifications:

• Input Voltage: 4V – 40V DC
• Output Voltage: 1.25V – 35V DC (Adjustable)
• Output Current: 2A (continuous), 3A (peak with heat sink)
• Switching Frequency: 150 kHz
• Efficiency: Up to 92%
• Ripple: Less than 30mV
• Operating Temperature: -45°C to +85°C

Mechanical Specifications:

• Input/Output Connection: Solder pads for easy wiring or screw terminals for quick connections.
• Potentiometer: An onboard multiturn potentiometer (trimpot) for fine-tuning the output voltage.
• Material: High-quality FR-4 PCB with silkscreen labels.

Dimensions:

• Module Length: ~43 mm
• Module Width: ~21 mm
• Module Height: ~14 mm

Pinout and Wiring:

• IN+: Positive input voltage connection.
• IN-: Negative input voltage connection (Ground).
• OUT+: Positive output voltage connection.
• OUT-: Negative output voltage connection (Ground).
• Wiring Note: Connect your higher voltage source to the IN+ and IN- terminals. Use a multimeter to measure the output voltage at the OUT+ and OUT- terminals, and adjust the potentiometer until you achieve your desired voltage before connecting your load.

Datasheet Reference:

• Download Datasheet

Commonly Used In:

• DIY Power Supplies: Build a custom bench power supply with adjustable voltage.
• Robotics: Power motors and logic circuits from a single battery pack.
• Solar Chargers: Step down the voltage from a solar panel to charge batteries or power devices.

Applications:

• LED Drivers: Drive high-power LEDs with a stable current and voltage.
• Electronic Projects: Create a stable 5V or 3.3V power supply for microcontrollers like Arduino and ESP32.
• Battery-Powered Systems: Efficiently convert a higher battery voltage to the required level for your components, extending battery life.
• Automotive Electronics: Power car accessories and gadgets from a 12V or 24V car battery.

Equivalent Models:

• XL4015 DC-DC Buck Converter: Offers higher current output (up to 5A) and is suitable for more demanding applications.
• MP1584EN DC-DC Buck Converter: A smaller, more compact module often used in projects where space is a concern.

Package Includes:

• 1 x LM2596S DC-DC Buck Converter Adjustable Power Supply Module