STMicroelectronics

LM250K

LM250K Description

The LM250K is a linear regulator IC designed for power management applications, manufactured by STMicroelectronics. This device offers an adjustable output voltage ranging from 1.2V to 25V, making it highly versatile for various electronic systems. It supports a maximum input voltage of 35V and can deliver up to 3A of output current, ensuring robust power delivery. The regulator is housed in a through-hole TO3 package, which is ideal for applications requiring high thermal dissipation and mechanical stability. Despite being marked as obsolete, the LM250K remains a reliable choice for legacy systems and applications where its specific features are required.

LM250K Features

• Adjustable Output Voltage: The LM250K provides an adjustable output voltage range from 1.2V to 25V, allowing it to be tailored to specific application requirements.
• High Input Voltage Capability: With a maximum input voltage of 35V, the regulator can handle a wide range of input conditions, making it suitable for diverse power supply applications.
• High Output Current: The ability to deliver up to 3A of output current ensures that the LM250K can power demanding electronic circuits and components.
• Positive Output Configuration: The regulator is designed for positive output voltage configurations, simplifying circuit design and integration.
• Protection Features: The LM250K includes over-current and over-temperature protection, enhancing reliability and safeguarding against potential faults.
• Low Noise and High PSRR: The regulator boasts a power supply rejection ratio (PSRR) of 86dB to 65dB at 120Hz, ensuring low noise and stable output voltage.
• Compliance and Packaging: The LM250K is REACH unaffected and RoHS3 compliant, meeting environmental and regulatory standards. It is available in bulk packaging, facilitating easy procurement and integration into manufacturing processes.

LM250K Applications

The LM250K is well-suited for a variety of applications where adjustable voltage regulation and high current delivery are essential. Some specific use cases include:

• Industrial Control Systems: The regulator's ability to handle high input voltages and deliver substantial output current makes it ideal for powering control systems and actuators in industrial environments.
• Telecommunications Equipment: The LM250K can provide stable power to various components within telecommunication systems, ensuring reliable operation under varying load conditions.
• Automotive Electronics: The regulator's robustness and protection features make it suitable for automotive applications where reliable power delivery is critical.
• Legacy Systems: Given its obsolete status, the LM250K is particularly valuable for maintaining and upgrading legacy systems where its specific features are already integrated and proven.

Conclusion of LM250K

The LM250K from STMicroelectronics is a versatile linear regulator IC that offers adjustable output voltage, high input voltage capability, and robust output current delivery. Its protection features, low noise performance, and compliance with environmental standards make it a reliable choice for a wide range of applications. Although marked as obsolete, the LM250K remains a valuable component for legacy systems and applications where its unique features are required. Its through-hole TO3 package ensures mechanical stability and effective thermal dissipation, further enhancing its suitability for demanding environments.