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LM2596 DC‑DC Step‑Down Converter – Adjustable Power Supply with LED Display Voltmeter
Upgrade your projects with the reliable LM2596 DC‑DC step‑down converter. Designed for hobbyists, engineers, and DIY enthusiasts, this buck adapter transforms a wide input range of 4 V – 40 V into a precise, adjustable output of 1.3 V – 37 V. The built‑in LED display voltmeter provides real‑time voltage monitoring, ensuring you always have the right power at your fingertips.
Key Highlights
- Wide input voltage: 4 V to 40 V (compatible with batteries, solar panels, and wall adapters)
- Adjustable output: 1.3 V to 37 V with fine‑tuning potentiometer
- High conversion efficiency up to 92 % for lower heat and longer component life
- Integrated LED display voltmeter for instant voltage readout
- Compact 30 mm × 20 mm board – easy to fit into tight enclosures
- Built‑in over‑current, over‑temperature, and short‑circuit protection
- Low ripple output (< 30 mV) for sensitive electronics and microcontrollers
Technical Specifications
- Regulator IC: LM2596 (adjustable buck converter)
- Input Voltage Range: 4 V – 40 V DC
- Output Voltage Range: 1.3 V – 37 V DC (adjustable)
- Maximum Output Current: 3 A (continuous)
- Efficiency: 85 % – 92 % (typical)
- Switching Frequency: 150 kHz
- Operating Temperature: -40 °C to 85 °C
- Dimensions: 30 mm × 20 mm × 12 mm
- Connector Type: Screw‑terminal or 2.54 mm pitch header
Why Choose This LM2596 Converter?
Whether you’re powering a Raspberry Pi, Arduino, LED strip, or a custom sensor array, this converter delivers stable voltage with minimal noise. The on‑board LED voltmeter eliminates the need for external meters, saving you time and space. Its robust protection features keep your circuitry safe, making it ideal for both prototyping and final products.
Compatibility & Applications
- Microcontroller development boards (Arduino, ESP32, STM32)
- LED lighting and strip drivers
- Portable battery‑powered devices
- Solar charge controllers
- Robotics and automation projects
- DIY power supplies and test rigs
Easy Installation & Adjustment
Simply connect the input terminals to your power source, tighten the output screws, and turn the potentiometer until the LED display shows your desired voltage. No soldering or additional components are required for basic operation.
SEO Keywords
LM2596, DC‑DC step down converter, voltage regulator, adjustable buck adapter, LED display voltmeter, high efficiency power supply, 4V‑40V input, 1.3V‑37V output, low ripple, over‑current protection, DIY electronics, hobbyist power module.
Price: Original price was: $ 4.06.$ 3.05Current price is: $ 3.05.