onsemi

MC78L09ABPRP

MC78L09ABPRP Description

The MC78L09ABPRP is a fixed-output linear regulator designed for applications requiring a stable 9V output voltage and a maximum output current of 100mA. Manufactured by onsemi, this regulator is part of the Power Management (PMIC) category and is housed in a Through Hole package, specifically the TO92-3 format. Despite being marked as obsolete, the MC78L09ABPRP remains a reliable choice for various electronic circuits due to its robust design and performance characteristics.

Key technical specifications include a maximum input voltage of 30V, ensuring compatibility with a wide range of input sources. The regulator features a quiescent current of 6mA, which is relatively low, contributing to high efficiency and reduced power consumption. Additionally, the MC78L09ABPRP boasts a Power Supply Rejection Ratio (PSRR) of 57dB at 120Hz, effectively filtering out noise from the input power supply and maintaining a clean output voltage.

MC78L09ABPRP Features

• Fixed Output Voltage: The MC78L09ABPRP provides a stable 9V output, making it suitable for applications where a precise voltage level is required.
• High Input Voltage Range: With a maximum input voltage of 30V, this regulator can handle a broad range of input voltages, enhancing its versatility.
• Low Quiescent Current: The 6mA quiescent current ensures minimal power loss during operation, making it efficient for battery-powered devices.
• Protection Features: Over-temperature and short-circuit protection are integrated, safeguarding the regulator and connected components from potential damage.
• High PSRR: The 57dB PSRR at 120Hz ensures that the output voltage remains stable and free from noise, even when the input voltage fluctuates.
• Moisture Sensitivity Level: MSL 1 (Unlimited) indicates that the component is not sensitive to moisture, reducing the risk of damage during handling and storage.
• Compliance: The MC78L09ABPRP is REACH unaffected, ensuring compliance with environmental regulations and suitability for global markets.

MC78L09ABPRP Applications

The MC78L09ABPRP is ideal for a variety of applications where a stable 9V supply is required. Some specific use cases include:

• Consumer Electronics: Ideal for powering small electronic devices such as radios, portable amplifiers, and other gadgets that require a stable 9V supply.
• Industrial Control Systems: Suitable for low-power industrial applications where reliability and stability are paramount.
• Battery Chargers: Can be used in battery charging circuits to provide a stable voltage source, ensuring safe and efficient charging.
• Medical Devices: Appropriate for low-power medical equipment where a stable voltage is crucial for accurate operation.
• Automotive Applications: Can be used in automotive electronics for powering auxiliary devices that require a 9V supply.

Conclusion of MC78L09ABPRP

The MC78L09ABPRP is a robust and reliable linear regulator that offers a stable 9V output with a maximum current of 100mA. Its high input voltage range, low quiescent current, and high PSRR make it a versatile and efficient choice for a variety of applications. Despite being marked as obsolete, the MC78L09ABPRP remains a valuable component for designers and engineers seeking a dependable power management solution. Its integrated protection features and compliance with environmental regulations further enhance its appeal. For applications requiring a stable 9V supply, the MC78L09ABPRP is an excellent choice, offering performance and reliability in a compact Through Hole package.