onsemi

MC78L12ABDR2

MC78L12ABDR2 Description

The MC78L12ABDR2 is a linear voltage regulator designed for applications requiring a stable and reliable power supply. Manufactured by onsemi, this regulator is part of the Power Management (PMIC) category and is housed in an 8SOIC package. It features a fixed output voltage of 12V and is capable of delivering up to 100mA of current. The regulator is designed to operate with an input voltage range up to 35V, making it suitable for a variety of electronic systems.

MC78L12ABDR2 Features

• Output Type: Fixed, ensuring a consistent 12V output.
• Input Voltage Range: Up to 35V, providing flexibility for different power sources.
• Output Current: 100mA, suitable for low-power applications.
• Low Quiescent Current: Only 6.5mA, which minimizes power consumption in standby mode.
• High Power Supply Rejection Ratio (PSRR): 42dB at 120Hz, ensuring minimal noise and ripple on the output voltage.
• Protection Features: Over-temperature and short-circuit protection, enhancing reliability and longevity.
• Mounting Type: Surface mount, ideal for compact and space-constrained designs.
• Moisture Sensitivity Level (MSL): Level 1 (Unlimited), suitable for a wide range of manufacturing environments.
• Package: Tape & Reel (TR), facilitating automated assembly processes.
• Product Status: Obsolete, but still available for legacy systems and existing designs.
• REACH Status: REACH Unaffected, ensuring compliance with environmental regulations.

MC78L12ABDR2 Applications

The MC78L12ABDR2 is ideal for a variety of applications where a stable 12V power supply is required. Its low quiescent current and high PSRR make it particularly suitable for battery-powered devices and sensitive electronic systems. Some specific use cases include:

• Consumer Electronics: Portable devices, such as handheld gaming consoles and digital cameras, benefit from the regulator's low power consumption and stable output.
• Industrial Equipment: Sensors and control systems that require a reliable power source can utilize the MC78L12ABDR2 for its robust protection features and high PSRR.
• Automotive Applications: In-vehicle infotainment systems and electronic control units can leverage the regulator's ability to handle a wide input voltage range and provide a stable output.
• Medical Devices: Portable medical equipment, such as glucose meters and portable monitors, can benefit from the regulator's low power consumption and high reliability.

Conclusion of MC78L12ABDR2

The MC78L12ABDR2 is a versatile linear voltage regulator that offers a stable 12V output with a maximum current of 100mA. Its low quiescent current and high PSRR make it suitable for applications where power efficiency and signal integrity are critical. The inclusion of over-temperature and short-circuit protection ensures the regulator's reliability and longevity, making it a robust choice for various electronic systems. Despite being marked as obsolete, the MC78L12ABDR2 remains a reliable option for legacy systems and new designs that require a simple, efficient power solution.