Description
The LM2575GR-5.0 is a highly efficient, monolithic integrated circuit designed to provide all the active functions for a step-down (buck) switching regulator. Engineered specifically for a fixed 5V output, this regulator is capable of driving a 1A load with exceptional line and load regulation. By operating at a fixed frequency of 52kHz, it simplifies the design process, allowing for the use of readily available, standard-sized inductors and filter components, which helps keep your PCB layout compact and cost-effective.
This regulator is a superior replacement for traditional linear regulators, offering significantly higher efficiency and reduced heat dissipation. It features robust, built-in safety mechanisms, including thermal shutdown and current-limit protection, ensuring the safety of your circuit during overloads or short-circuit events. Whether you are powering embedded microcontroller systems, industrial sensors, or any electronics requiring a steady 5V rail, the LM2575GR-5.0 provides the professional-grade performance and reliability your project demands.
Key Features
- Stable Fixed 5V Output: Factory-set to deliver a precise 5V output, eliminating the need for complex feedback resistor networks.
- 1A Current Output: Provides reliable, high-current power suitable for most digital and low-power analog peripheral modules.
- 52kHz Switching Frequency: Optimized for stable operation and efficient step-down conversion with standard external components.
- High Efficiency: Outperforms linear regulators by significantly reducing power waste and heat, extending the life of your electronic systems.
- Built-in Protections: Integrated thermal shutdown and current-limit safeguards provide peace of mind in demanding electrical environments.
Application
- Microcontroller Supplies: Perfect for powering 5V-based logic boards, microcontrollers, and digital peripherals.
- Industrial Sensor Power: Provides a steady and dependable voltage rail for factory automation sensors and actuators.
- Portable & DIY Electronics: An excellent, easy-to-use power source for custom embedded projects and high-performance hobbyist electronics.
- DC-DC Power Conversion: A versatile building block for engineers looking to efficiently step down higher voltages to a standard 5V logic rail.
- General Electronics: A go-to solution for any circuit design requiring a reliable, high-current fixed 5V source.
Package Includes
- 1 x LM2575GR-5.0 1A Fixed 5V Step-Down Switching Regulator IC
Technical Specifications
| Parameter | Specification |
|---|---|
| Device | LM2575GR-5.0 |
| Output Voltage | 5V (Fixed) |
| Max Output Current | 1A |
| Switching Frequency | 52kHz |
| Shipping Weight | 0.001 kg |
| Shipping Dimensions | 4 × 4 × 1 cm |
Note: Product images are shown for illustrative purposes only and may differ from the actual product. For complete technical parameters, please refer to the official device datasheet.
















