onsemi

MC79L05ACDR2

MC79L05ACDR2 Description

The MC79L05ACDR2 is a linear voltage regulator IC designed and manufactured by onsemi, a leading semiconductor company. This device is part of the Linear & Switching Voltage Regulators category and is specifically designed to provide a stable -5V output voltage with a maximum output current of 100mA. Despite being classified as obsolete, it remains a reliable choice for certain applications due to its unique features and performance benefits.

MC79L05ACDR2 Features

• Output Type: Fixed, ensuring a consistent output voltage.
• Current - Output: 100mA, suitable for low-power applications.
• Number of Regulators: 1, providing a single output voltage.
• Output Configuration: Negative, ideal for applications requiring a negative voltage supply.
• Voltage Dropout (Max): 1.7V @ 40mA (Typ), ensuring efficient operation even under high load conditions.
• PSRR: 49dB (120Hz), providing excellent power supply rejection ratio for stable operation.
• Protection Features: Over Temperature and Short Circuit, safeguarding the device and the system.
• Moisture Sensitivity Level (MSL): 1 (Unlimited), indicating no restrictions on storage or handling.
• Operating Temperature: 0°C ~ 125°C, suitable for a wide range of operating environments.

MC79L05ACDR2 Applications

The MC79L05ACDR2 is ideal for applications requiring a stable -5V supply, such as:

1. Analog Circuits: Providing a stable reference voltage for op-amps and other analog components.
2. Power Supplies: Used as a secondary regulator in power supply designs to provide a clean and stable output.
3. Industrial Controls: Reliable operation in harsh environments due to its wide operating temperature range.

Conclusion of MC79L05ACDR2

While the MC79L05ACDR2 is classified as obsolete, it remains a viable option for applications requiring a stable -5V output with low to moderate current requirements. Its fixed output, excellent PSRR, and robust protection features make it suitable for a variety of applications, including analog circuits, power supplies, and industrial controls. Despite its age, the MC79L05ACDR2 continues to offer reliable performance and is a cost-effective solution for certain design requirements.