LM2596S 3 - 40V to 1.5V-35V 4A DC to DC adjustable step down buck module

LM2596S 3V-40V to 1.5V-35V 4A Adjustable DC-DC Step-Down Buck Converter Module The LM2596S Adjustable DC-DC Buck Converter Module is a high-efficiency voltage regulator designed to convert a higher DC input voltage into a lower, adjustable output voltage. It is ideal for powering Arduino projects, robotics, LED lighting, battery-powered devices, automotive electronics, and various DIY electronic applications. The onboard multi-turn potentiometer allows precise output voltage adjustment, while the switching regulator design provides excellent efficiency with low heat generation. Typical LM2596 modules operate with efficiencies of up to around 90% under suitable conditions. Specifications Model: LM2596S Adjustable Buck Converter Converter Type: DC-DC Step-Down (Buck) Input Voltage: 3V – 40V DC Output Voltage: 1.5V – 35V DC (Adjustable) Maximum Output Current: 4A (Recommended continuous current: up to 3A with adequate cooling) Conversion Efficiency: Up to 92% Switching Frequency: 150kHz Output Ripple: ≤30mV (typical) Voltage Regulation: ±0.5% (typical) Load Regulation: ±0.5% (typical) Operating Temperature: -40°C to +85°C Adjustment Method: Onboard multi-turn precision potentiometer Module Dimensions: Approx. 43 × 21 × 14 mm Features Wide input voltage range Adjustable and stable output voltage High conversion efficiency with low heat generation Built-in thermal shutdown protection Built-in over-current protection Short-circuit protection (limited by module design) Compact size for embedded applications Easy screw terminal connections for input and output Suitable for Arduino, ESP32, Raspberry Pi, LED strips, CCTV systems, automotive electronics, battery-powered projects, and DIY power supplies Applications Arduino & microcontroller projects Robotics LED power supplies Battery voltage regulation Solar power systems Automotive electronics CCTV camera power supplies DIY electronic projects Portable power solutions Note: This is a step-down (buck) converter only. The input voltage must always be higher than the desired output voltage (typically by at least 1.5V).