The LM137K from STMicroelectronics is a robust, adjustable negative voltage regulator capable of supplying in excess of 1.5A over a -1.2V to -37V output range. This high-performance regulator features a standard TO-3 package, known for its reliability and thermal efficiency, making it suitable for a wide array of applications including variable power supplies, instrumentation, and power conditioning for specialized circuits.

Key Features

• Output Voltage Range: The LM137K offers an impressive output voltage range that can be set from -1.2V to -37V, allowing for extensive flexibility in application use.
• Current Output: Capable of delivering 1.5A of output current, this regulator can handle significant loads, making it ideal for robust applications.
• Thermal Regulation: Encased in a TO-3 package, the LM137K is designed for optimal thermal regulation, ensuring stability and reliability under varying operational conditions.
• Adjustable Output: With the ability to adjust the output voltage through external resistors, this regulator provides versatility for custom voltage requirements.
• Protection Features: It includes built-in protection features such as current limiting, thermal overload protection, and safe-area compensation, safeguarding the device and the circuitry it powers.

Applications

The versatile nature of the LM137K makes it an excellent choice for a variety of applications. It is particularly useful in power supply designs where an adjustable negative voltage is required. Its robustness also makes it suitable for use in constant current supplies, power drivers, and battery chargers. Furthermore, its precision and reliability are appreciated in lab equipment and instrumentation where stable voltage regulation is crucial.

Quality and Reliability

STMicroelectronics is renowned for its commitment to quality, and the LM137K is no exception. This voltage regulator is designed to meet rigorous standards, ensuring a reliable performance for both commercial and industrial applications. With its comprehensive protection features and sturdy build, the LM137K stands out as a dependable component in any negative voltage regulation scenario.