Texas Instruments

LM78L15ACM

LM78L15ACM Description

The LM78L15ACM is a fixed positive linear voltage regulator designed by Texas Instruments. It offers a stable output voltage of 15V and can deliver up to 100mA of output current. This regulator is housed in an 8-pin SOIC package, making it suitable for surface-mount applications. It has a maximum input voltage of 35V and operates within a temperature range of 0°C to 125°C. The LM78L15ACM features a low quiescent current of 3mA and a power supply rejection ratio (PSRR) of 51dB at 120Hz. It also includes protection features such as over-temperature and short-circuit protection, ensuring reliable operation under various conditions. The device is REACH unaffected and RoHS3 compliant, making it suitable for environmentally conscious applications. It has a moisture sensitivity level (MSL) of 1, indicating it is suitable for unlimited exposure to standard factory environments.

LM78L15ACM Features

• Fixed Output Voltage: The LM78L15ACM provides a stable 15V output, ideal for applications requiring a fixed voltage supply.
• High Input Voltage Range: With a maximum input voltage of 35V, this regulator can handle a wide range of input voltages, making it versatile for different power supply configurations.
• Low Quiescent Current: The regulator consumes only 3mA in quiescent mode, which is beneficial for low-power applications and minimizing power loss.
• High PSRR: A power supply rejection ratio of 51dB at 120Hz ensures that the output voltage remains stable even with fluctuations in the input voltage.
• Protection Features: Over-temperature and short-circuit protection features enhance the reliability and longevity of the regulator, safeguarding it against common failure modes.
• Surface-Mount Package: The 8-pin SOIC package is suitable for surface-mount technology, facilitating compact and efficient PCB designs.
• Wide Operating Temperature Range: The regulator operates reliably within a temperature range of 0°C to 125°C, making it suitable for a variety of industrial and consumer applications.

LM78L15ACM Applications

The LM78L15ACM is ideal for a wide range of applications where a stable 15V supply is required. Some specific use cases include:

• Consumer Electronics: Powering devices such as portable audio equipment, where a stable voltage supply is crucial for consistent performance.
• Industrial Equipment: Providing regulated power to sensors, actuators, and other components in industrial control systems.
• Telecommunications: Supplying power to low-power communication modules and interfaces.
• Automotive Electronics: Ensuring reliable power supply to electronic systems within vehicles, where the operating environment can be harsh.
• Medical Devices: Powering low-power medical equipment that requires stable and reliable voltage regulation.

Conclusion of LM78L15ACM

The LM78L15ACM is a robust and versatile linear voltage regulator that offers a stable 15V output with a maximum input voltage of 35V. Its low quiescent current and high PSRR make it suitable for low-power and high-stability applications. The inclusion of over-temperature and short-circuit protection features ensures reliable operation, while its surface-mount package and wide operating temperature range make it ideal for a variety of industrial and consumer applications. The LM78L15ACM is a reliable choice for designers seeking a fixed positive voltage regulator with excellent performance and protection features.