STMicroelectronics

L79L15ACD

L79L15ACD Description

The L79L15ACD is a fixed negative linear voltage regulator designed by STMicroelectronics, renowned for its reliability and performance in a wide range of electronic applications. This regulator is part of the L79L series, which is characterized by its ability to provide a stable -15V output voltage with a maximum output current of 100mA. The device is housed in an 8SO package, making it suitable for surface-mount applications and ensuring compatibility with modern PCB designs.

L79L15ACD Features

• Output Type: Fixed negative voltage regulator, ensuring a stable -15V output.
• Output Current: Capable of delivering up to 100mA, making it suitable for applications requiring moderate power.
• Single Regulator: Simplifies circuit design with a single regulator per package.
• Low Quiescent Current: At 6mA, the L79L15ACD ensures minimal power consumption during operation.
• High PSRR: With a Power Supply Rejection Ratio of 39dB at 120Hz, the regulator effectively filters out noise from the input supply.
• Protection Features: Over-temperature and short-circuit protection ensure robustness and reliability in various operating conditions.
• Operating Temperature Range: Functions reliably from 0°C to 125°C, making it suitable for a wide range of industrial and consumer applications.
• Compliance: The L79L15ACD is REACH unaffected and ROHS3 compliant, adhering to stringent environmental and safety standards.
• Moisture Sensitivity Level: MSL 3 (168 Hours) ensures the device remains stable and functional in varying environmental conditions.
• Mounting Type: Surface mount design, facilitating integration into compact and high-density PCB layouts.

L79L15ACD Applications

The L79L15ACD is ideal for applications requiring a stable negative voltage supply. Its ability to deliver a fixed -15V output with a moderate current makes it suitable for:

• Power Supply Circuits: Provides a stable voltage source for analog and digital circuits.
• Industrial Control Systems: Ensures reliable operation in harsh industrial environments.
• Consumer Electronics: Suitable for devices requiring a negative voltage supply, such as audio amplifiers and instrumentation.
• Telecommunications: Ideal for powering various components in telecommunication equipment.
• Medical Devices: Ensures stable power supply for sensitive medical equipment.

Conclusion of L79L15ACD

The L79L15ACD from STMicroelectronics is a versatile and reliable fixed negative linear voltage regulator. Its ability to provide a stable -15V output with a maximum current of 100mA, combined with low quiescent current and high PSRR, makes it an excellent choice for a variety of applications. The device's over-temperature and short-circuit protection features enhance its robustness, ensuring reliable operation in diverse environments. Although the product is marked as obsolete, its technical specifications and performance benefits continue to make it a valuable component for engineers and designers in the electronics industry.