onsemi

MC78L09ACDR2

MC78L09ACDR2 Description

The MC78L09ACDR2 is a linear voltage regulator designed for applications requiring a stable 9V output at up to 100mA. Manufactured by onsemi, this device is part of the Power Management Integrated Circuits (PMIC) category. It features a fixed output voltage, ensuring reliable performance in various electronic systems. The regulator is housed in an 8-pin SOIC package, making it suitable for surface-mount applications.

MC78L09ACDR2 Features

• Output Type: Fixed, providing a stable 9V output.
• Input Voltage Range: Up to 30V, offering flexibility in power supply design.
• Output Current: Capable of delivering up to 100mA, suitable for low-power applications.
• Output Configuration: Positive, ensuring compatibility with a wide range of circuits.
• Low Quiescent Current: Only 6mA, which minimizes power consumption during operation.
• High Power Supply Rejection Ratio (PSRR):5 7dB at 120Hz, ensuring minimal noise in the output voltage.
• Protection Features: Over-temperature and short-circuit protection, enhancing reliability and longevity.
• Operating Temperature Range: 0°C to 125°C, making it suitable for a wide range of environmental conditions.
• Moisture Sensitivity Level (MSL): Level 1 (Unlimited), indicating robustness against moisture.
• Package Type: Tape & Reel (TR), facilitating automated assembly processes.
• Compliance: REACH Unaffected, ensuring compliance with environmental and safety regulations.

MC78L09ACDR2 Applications

The MC78L09ACDR2 is ideal for applications that require a stable and reliable power source with low power consumption. Its fixed 9V output and low quiescent current make it suitable for:

• Consumer Electronics: Portable devices, battery chargers, and low-power peripherals.
• Industrial Equipment: Sensors, control systems, and instrumentation.
• Telecommunications: Base stations, network equipment, and remote monitoring devices.
• Automotive Electronics: In-vehicle infotainment systems, control modules, and electronic control units (ECUs).

Conclusion of MC78L09ACDR2

The MC78L09ACDR2 is a robust and reliable linear voltage regulator designed for applications requiring a stable 9V output. Its low quiescent current and high PSRR make it an efficient choice for low-power systems. The inclusion of over-temperature and short-circuit protection ensures long-term reliability and safety. Despite being marked as obsolete, the MC78L09ACDR2 remains a viable option for applications where its unique features and performance benefits are required.