Texas Instruments

LM337KTER

LM337KTER Description

The LM337KTER is a high-performance, adjustable negative linear voltage regulator designed by Texas Instruments. This device is part of the Power Management Integrated Circuits (PMIC) category and is well-suited for applications requiring a stable and reliable power supply. Despite being marked as obsolete, the LM337KTER continues to be a preferred choice for many engineers due to its robust design and versatile features.

The LM337KTER offers an adjustable output voltage with a maximum output current of 1.5A. It is designed to provide a negative output configuration, making it ideal for applications where a negative voltage supply is necessary. The device is packaged in a 3PWRFLEX format and is available in a Surface Mount configuration, ensuring ease of integration into modern circuit designs.

LM337KTER Features

• Adjustable Output Voltage: The LM337KTER provides an adjustable output voltage, allowing users to fine-tune the voltage to meet specific application requirements.
• High Output Current: With a maximum output current of 1.5A, the LM337KTER is capable of powering demanding applications.
• Negative Output Configuration: This regulator is specifically designed for negative output voltages, making it suitable for applications requiring a negative power supply.
• Over Temperature and Short Circuit Protection: The LM337KTER includes built-in protection features to safeguard against over-temperature and short-circuit conditions, ensuring reliable operation and long-term stability.
• High Power Supply Rejection Ratio (PSRR): The device boasts a PSRR of 77dB at 120Hz, which helps in minimizing noise and ripple in the output voltage.
• Wide Operating Temperature Range: The LM337KTER operates within a temperature range of 0°C to 125°C, making it suitable for a variety of industrial and consumer applications.
• Moisture Sensitivity Level (MSL): The device has an MSL rating of 3 (168 Hours), ensuring it can withstand moisture exposure during manufacturing processes.
• Compliance: The LM337KTER is REACH unaffected and ROHS3 compliant, adhering to environmental and safety standards.

LM337KTER Applications

The LM337KTER is ideal for a range of applications where a stable and adjustable negative power supply is required. Some specific use cases include:

• Industrial Control Systems: Providing a reliable power supply for control systems and sensors that require negative voltage.
• Medical Equipment: Ensuring stable power delivery for medical devices that operate with negative voltage requirements.
• Telecommunications: Supplying power to communication equipment that needs a negative voltage source.
• Consumer Electronics: Used in various consumer devices that require a negative voltage supply for specific components.

Conclusion of LM337KTER

The LM337KTER is a versatile and reliable negative linear voltage regulator that offers adjustable output voltage and high output current capabilities. Despite its obsolete status, its robust design and protection features make it a valuable component for applications requiring a negative power supply. The device's compliance with environmental and safety standards further enhances its suitability for a wide range of industrial and consumer applications. For engineers and designers seeking a dependable power management solution, the LM337KTER remains a viable option.