Microchip Technology, Inc. Voltage Regulators - DC DC Switching Regulators LM2575-12BN

The LM2575-12BN is a monolithic integrated circuit designed as a step-down (buck) switching regulator, providing a fixed output voltage of 12V and capable of delivering up to 1A of load current. It operates efficiently over a wide input voltage range of 7V to 40V, making it suitable for various applications. The device features a fixed-frequency internal oscillator operating at 52kHz, which simplifies design requirements by minimizing the number of external components needed to achieve stable operation. This regulator offers excellent line and load regulation, with a guaranteed output voltage tolerance of ¬±3% under specified conditions. It includes built-in protection features such as thermal shutdown and cycle-by-cycle current limiting, ensuring reliable operation under fault conditions. The LM2575-12BN is available in a 16-pin plastic DIP package and is RoHS compliant, with a temperature range of -40¬8C to +85¬8C. Its high efficiency, typically around 80%, allows for reduced heat generation, often eliminating the need for a heat sink. This product is ideal for applications requiring a compact and efficient power supply solution.