onsemi

MC79L15ABDG

MC79L15ABDG Description

The MC79L15ABDG is a linear regulator IC designed for power management applications, offering a fixed -15V output voltage with a maximum output current of 100mA. Manufactured by onsemi, this device is packaged in an 8SOIC format, making it suitable for surface mount applications. Despite its obsolete status, the MC79L15ABDG remains a reliable choice for specific power management needs due to its robust design and performance characteristics.

MC79L15ABDG Features

• Output Voltage and Current: Provides a fixed -15V output voltage with a maximum output current of 100mA, ensuring stable power supply for various electronic components.
• Power Supply Rejection Ratio (PSRR): Achieves a PSRR of 39dB at 120Hz, effectively reducing the impact of input voltage fluctuations on the output voltage.
• Dropout Voltage: Features a maximum dropout voltage of 1.7V at 40mA (typical), allowing the regulator to maintain regulation even when the input voltage is close to the output voltage.
• Protection Features: Includes over-temperature and short-circuit protection, enhancing the reliability and safety of the device in various operating conditions.
• Mounting Type: Surface mount design, compatible with modern PCB assembly processes and suitable for compact electronic systems.
• Package Type: Supplied in a tube package, facilitating easy handling and storage.
• Moisture Sensitivity Level (MSL): MSL 1 (Unlimited), indicating that the device is not sensitive to moisture, reducing the risk of damage during manufacturing and storage.
• Compliance: Complies with REACH regulations, ensuring that it is free from harmful substances and suitable for use in environmentally conscious applications.

MC79L15ABDG Applications

The MC79L15ABDG is ideal for applications requiring a stable -15V power supply with a moderate current capability. Specific use cases include:

• Analog Circuits: Providing a stable negative voltage supply for operational amplifiers, analog-to-digital converters (ADCs), and other analog components.
• Power Amplifiers: Supplying power to audio amplifiers and other power amplification circuits that require a negative voltage rail.
• Data Acquisition Systems: Ensuring reliable power supply for data acquisition systems that utilize negative voltage references.
• Industrial Control Systems: Powering control circuits and sensors that operate on a negative voltage supply.

Conclusion of MC79L15ABDG

The MC79L15ABDG is a versatile linear regulator IC that offers a reliable -15V output with a maximum current of 100mA. Its robust design, including over-temperature and short-circuit protection, ensures high reliability in various applications. The surface mount package and compliance with REACH regulations make it suitable for modern electronic systems. Although marked as obsolete, the MC79L15ABDG remains a valuable option for specific power management needs, particularly in analog and industrial applications.