LM2596 DC-DC Adjustable Step-down Buck Converter Power Supply Module

The LM2596 step-down module with integrated digital voltmeter display combines reliable switching regulation with real-time voltage monitoring — and adds output short-circuit protection that the standard LM2596 module lacks. Set your voltage precisely, confirm it on the display, and work with confidence knowing your load is protected if a fault occurs.

🔹 Key Applications

• Bench power supply with voltage display for workshop use

• Regulated power rails for sensor and microcontroller development boards

• Battery-powered embedded systems requiring stable voltage regulation

• Educational power supply experiments

• Solar panel output conditioning for 12 V battery charging

🔹 Why Choose This Module?

• Integrated voltmeter display — see your actual output voltage at all times

• Short-circuit protection — prevents module destruction on accidental load faults

• LM2596 chipset — one of the most proven buck regulators available

• Wide input range — compatible with standard 12 V, 24 V, and variable DC sources

• Voltage calibration function — match your display to a reference meter

🔹 Technical Specifications

• Chipset: LM2596

• Input Voltage: DC supply dependent (standard: 4–35 V)

• Output Voltage: Adjustable (typical 1.25–30 V)

• Protection: Output short-circuit protection

• Display: LED digital voltmeter with calibration function

🔹 What's Included

1 × LM2596 Step-Down Module with Digital Voltmeter Display

🔹 Pro Tip

💡 Unlike basic LM2596 modules, this version includes output short-circuit protection — critical for lab use where accidental probe shorts can destroy unprotected modules instantly. Calibrate the display against a quality multimeter on first use for accurate readings.

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