LM2575HVT 12V Step-Down Voltage Regulator TO-220 ⚡

The LM2575HVT is a compact, high-efficiency DC-DC buck (step-down) regulator delivering a stable 12 V output up to 1 A. Housed in a robust TO-220 package, it is ideal for power supply design in embedded systems, Arduino and Raspberry Pi projects, and a wide range of electronics components and modules requiring reliable voltage regulation.

Key Features ✅

• Fixed 12 V output switching regulator for consistent, regulated power
• High efficiency up to 92% for cooler operation and improved system efficiency
• Stable power supply with minimal output ripple for sensitive circuits
• Integrated thermal shutdown and current limit protection for reliability
• Standard TO-220 package for easy mounting and heatsinking

Technical Specifications 📐

• Output Voltage: 12 V
• Package Type: TO-220
• Output Current: 1 A
• Input Voltage Range: 4.75 V to 40 V
• Operating Temperature: -40°C to +125°C
• Switching Frequency: 52 kHz

Typical Applications 🚀

The LM2575HVT 12V Voltage Regulator (TO-220) is suitable for:

• Power supply for digital products
• Automotive electronics
• Industrial control systems
• Telecommunication devices
• Consumer electronics
• Prototyping with Arduino, Raspberry Pi, and other microcontroller-based modules

Engineer’s Notes 🛠️

• Ensure adequate heatsinking, especially at higher input voltages or near the 1 A load limit.
• Use proper layout and low-ESR capacitors to minimize output ripple and EMI at 52 kHz.
• Verify input source stays within the specified 4.75–40 V range under all operating conditions.

Whether you’re building a compact power supply module, retrofitting automotive systems, or powering embedded controllers, the LM2575HVT 12V voltage regulator offers a dependable, efficient solution for modern electronics design.