DC-DC 4-35V To 1.23-30V Converter

Built around the trusted LM2596 switching regulator, this compact buck converter steps down any DC input from 4 V to 35 V to a continuously adjustable output of 1.25 V to 30 V at up to 3 A. With 92% conversion efficiency, it stays cool even under sustained loads — making it a reliable workhorse for embedded power supplies, robotics, and solar applications.

🔹 Key Applications

• Powering 3.3 V or 5 V microcontroller boards from 12 V or 24 V sources

• Solar panel charge regulation and battery charging

• Adjustable bench power supply for electronics prototyping

• LED strip voltage regulation

• Automotive accessory power reduction from 12 V to USB-compatible voltages

• Robotics sensor rail power supply

🔹 Why Choose This Module?

• LM2596 chip — proven, thermally efficient, widely supported

• 92% conversion efficiency — minimal heat, maximum power to your load

• 3 A continuous output — sufficient for most embedded and sensor applications

• Adjustable current limiting (0.2–20 A range) — short-circuit safe operation

• Compact ABS+aluminium construction — durable and lightweight

🔹 Technical Specifications

• Chipset: LM2596

• Input Voltage: 4 V – 35 V DC

• Output Voltage: 1.25 V – 30 V DC (continuously adjustable)

• Output Current: 3 A (limited)

• Current Limit Range: 0.2 A – 20 A

• Conversion Efficiency: Up to 92%

• Construction: ABS + Plastic + Aluminium

🔹 What's Included

1 × LM2596 DC-DC Step-Down Converter Module

🔹 Pro Tip

💡 The LM2596 is one of the most battle-tested buck regulator ICs available. For Arduino and ESP32 projects powered from a 12 V supply, set this module to 5 V output for a reliable, efficient power rail that won't overheat during long runtimes.

⚠️ Note: Always ensure proper heat dissipation and correct voltage configuration before powering connected devices.