STMicroelectronics

L78L15ABD

L78L15ABD Description

The L78L15ABD is a fixed positive output linear regulator designed by STMicroelectronics, a leading manufacturer in the power management integrated circuit (PMIC) domain. This IC is part of the L78L series and offers a regulated output voltage of 15V with a maximum output current of 100mA. It is housed in an 8SO package and is suitable for surface mount applications. Despite being marked as obsolete, the L78L15ABD remains a reliable option for applications requiring a stable 15V supply with moderate current capabilities.

L78L15ABD Features

The L78L15ABD boasts several key features that make it a robust choice for power regulation:

• Fixed Positive Output: Provides a stable 15V output voltage, ensuring consistent power supply to connected devices.
• High Input Voltage Range: Capable of handling input voltages up to 35V, offering flexibility in various power supply scenarios.
• Low Quiescent Current: With a quiescent current of only 6mA, the L78L15ABD minimizes power consumption during operation, making it suitable for energy-efficient designs.
• Protection Features: Equipped with over-current, over-temperature, and short-circuit protection, ensuring reliable operation and safeguarding against potential faults.
• High PSRR: A power supply rejection ratio (PSRR) of 39dB at 120Hz helps in filtering out noise from the input power supply, resulting in a cleaner output voltage.
• Compliance and Safety: The L78L15ABD is REACH unaffected and RoHS3 compliant, adhering to stringent environmental and safety standards. It also has a moisture sensitivity level (MSL) of 1, making it suitable for a wide range of manufacturing environments.

L78L15ABD Applications

The L78L15ABD is ideal for a variety of applications where a stable 15V supply is required:

• Consumer Electronics: Suitable for powering small appliances and devices that require a regulated 15V supply.
• Industrial Equipment: Ideal for low-power industrial applications where reliability and protection features are crucial.
• Telecommunications: Can be used in telecommunication equipment that requires a stable power supply to ensure consistent performance.
• Automotive: Suitable for automotive applications where a regulated 15V supply is needed, such as in dashboard electronics or other low-power systems.

Conclusion of L78L15ABD

The L78L15ABD, despite being marked as obsolete, remains a valuable component in the power management domain. Its combination of a stable 15V output, high input voltage range, and robust protection features make it a reliable choice for various applications. The low quiescent current and high PSRR further enhance its performance, ensuring efficient and clean power delivery. For applications requiring a moderate current supply with comprehensive protection, the L78L15ABD stands out as a dependable solution.