onsemi

MC78L15ABD

MC78L15ABD Description

The MC78L15ABD is a fixed linear voltage regulator designed for applications requiring a stable 15V output voltage with a maximum output current of 100mA. Manufactured by onsemi, this device is part of the Power Management (PMIC) category and is housed in an 8SOIC package. Despite its obsolete status, the MC78L15ABD remains a reliable choice for various electronic systems due to its robust design and performance characteristics.

MC78L15ABD Features

• Output Type: Fixed, ensuring a consistent 15V output voltage.
• Input Voltage Range: Capable of handling input voltages up to 35V, providing flexibility in power supply requirements.
• Output Current: Delivers a maximum output current of 100mA, suitable for low-power applications.
• Single Regulator: Features a single regulator, simplifying circuit design and reducing component count.
• Positive Output Configuration: Ensures a positive output voltage, ideal for standard electronic circuits.
• Low Quiescent Current: With a quiescent current of only 6.5mA, the MC78L15ABD is energy-efficient, making it suitable for battery-powered devices.
• High Power Supply Rejection Ratio (PSRR): Achieves a PSRR of 39dB at 120Hz, effectively filtering out noise and ripple from the input power supply.
• Protection Features: Incorporates over-temperature and short-circuit protection, enhancing reliability and preventing damage under adverse conditions.
• Moisture Sensitivity Level (MSL): Rated at MSL 1 (Unlimited), making it suitable for various environmental conditions without the need for special handling.
• Mounting Type: Surface mount, allowing for compact and efficient PCB designs.
• Package: Supplied in a tube package, facilitating easy handling and integration into manufacturing processes.

MC78L15ABD Applications

The MC78L15ABD is ideal for a variety of applications where a stable 15V output is required. Its low quiescent current and high PSRR make it particularly suitable for:

• Battery-Powered Devices: Ensuring efficient power usage and long battery life.
• Low-Power Electronics: Providing stable power supply for microcontrollers, sensors, and other low-power components.
• Industrial Control Systems: Offering reliable power regulation in environments with varying input voltages.
• Consumer Electronics: Suitable for applications such as portable audio devices, where a stable and noise-free power supply is crucial.

Conclusion of MC78L15ABD

The MC78L15ABD is a robust and reliable fixed linear voltage regulator designed to meet the power management needs of various electronic systems. Despite its obsolete status, its unique features, such as low quiescent current and high PSRR, make it an advantageous choice over similar models. The inclusion of over-temperature and short-circuit protection further enhances its reliability, making it suitable for a wide range of applications, from battery-powered devices to industrial control systems. For engineers and designers seeking a stable and efficient power solution, the MC78L15ABD remains a viable option.