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MC79L09F-TP

MC79L09F-TP Description

The MC79L09F-TP is a linear regulator IC designed for applications requiring a stable -9V output voltage with a fixed output configuration. Manufactured by Micro Commercial Components (MCC), this device is part of the Power Management Integrated Circuits (PMIC) category. It features a maximum output current of 100mA, making it suitable for a variety of low-power applications. The is regulator housed in a Surface Mount SOT89 package, which is ideal for compact designs and high-density PCB layouts.

MC79L09F-TP Features

• Output Type: Fixed at -9V, ensuring a stable and reliable voltage supply.
• Output Current: Capable of delivering up to 100mA, suitable for low-power applications.
• Number of Regulators: Single regulator design simplifies circuit design and reduces component count.
• Output Configuration: Negative output voltage, ideal for applications requiring a negative supply rail.
• Operating Temperature: Wide range from 0°C to 125°C, ensuring robust performance in various environmental conditions.
• Quiescent Current: Low quiescent current of 6mA, minimizing power consumption and improving efficiency.
• PSRR: High Power Supply Rejection Ratio of 64dB at 120Hz, providing excellent noise filtering and voltage stability.
• Protection Features: Over-temperature and short-circuit protection ensure reliable operation and protect against potential faults.
• Compliance: ROHS3 compliant and REACH unaffected, ensuring environmental and regulatory compliance.
• Moisture Sensitivity Level: MSL 1 (Unlimited), suitable for standard manufacturing processes without additional handling precautions.
• Mounting Type: Surface Mount, compatible with automated assembly processes and modern PCB designs.
• Package: Tape & Reel (TR), facilitating efficient handling and storage during manufacturing.

MC79L09F-TP Applications

The MC79L09F-TP is well-suited for a variety of applications where a stable -9V supply is required. Its low quiescent current and high PSRR make it ideal for precision analog circuits, where noise and power consumption are critical factors. Some specific use cases include:

• Analog Signal Processing: Powering sensitive analog circuits that require a stable negative supply voltage.
• Audio Amplifiers: Providing a clean and stable power supply for audio amplifiers to minimize noise and distortion.
• Medical Devices: Ensuring reliable power supply in medical equipment where precision and stability are paramount.
• Industrial Control Systems: Supplying power to control circuits and sensors in industrial environments.
• Telecommunications: Powering low-power components in telecommunication systems where a negative supply is necessary.

Conclusion of MC79L09F-TP

The MC79L09F-TP is a versatile and reliable linear regulator designed for applications requiring a stable -9V output. Its low quiescent current, high PSRR, and robust protection features make it an excellent choice for precision analog circuits and low-power applications. The Surface Mount SOT89 package and compliance with industry standards ensure ease of integration and environmental sustainability. While the product is marked as obsolete, it remains a valuable component for existing designs and applications where its unique features are required.