onsemi

MC79M15BDT

MC79M15BDT Description

The MC79M15BDT is a linear regulator IC designed by onsemi, offering a fixed output voltage of -15V with a maximum output current of 500mA. This single regulator device is housed in a DPAK package, which is ideal for surface mount applications. Despite being marked as obsolete, the MC79M15BDT remains a reliable choice for applications requiring a stable negative voltage supply. The device features a typical dropout voltage of 1.1V at 500mA, ensuring efficient operation even under varying load conditions. With a power supply rejection ratio (PSRR) of 60dB at 120Hz, it provides superior noise filtering capabilities, making it suitable for sensitive electronic circuits. The MC79M15BDT also includes over-current and over-temperature protection features, enhancing its reliability and safety in various operating environments.

MC79M15BDT Features

• Output Type: Fixed at -15V, ensuring a stable and reliable voltage supply.
• Output Current: Capable of delivering up to 500mA, suitable for a wide range of low to medium power applications.
• Number of Regulators: Single regulator design simplifies circuit design and reduces component count.
• Output Configuration: Negative voltage output, ideal for applications requiring a negative power supply.
• Voltage Dropout: Maximum dropout voltage of 1.1V at 500mA (typical), ensuring efficient operation under varying load conditions.
• PSRR: 60dB at 120Hz, providing excellent noise filtering and voltage regulation.
• Protection Features: Over-current and over-temperature protection ensures safe operation and prevents damage under fault conditions.
• Package: DPAK, suitable for surface mount applications, offering a compact and robust solution.
• Moisture Sensitivity Level (MSL): Level 1 (Unlimited), indicating high resistance to moisture, enhancing reliability in humid environments.
• Mounting Type: Surface Mount, facilitating easy integration into modern PCB designs.
• REACH Status: REACH Unaffected, ensuring compliance with environmental regulations.
• ECCN: EAR99, indicating compliance with export control regulations.
• HTSUS: 8542.39.0001, facilitating accurate customs classification.

MC79M15BDT Applications

The MC79M15BDT is well-suited for a variety of applications where a stable -15V supply is required. Its high PSRR and low dropout voltage make it ideal for sensitive analog circuits, precision instrumentation, and medical devices. The over-current and over-temperature protection features ensure reliable operation in industrial control systems and power supplies. The compact DPAK package and surface mount design make it a preferred choice for space-constrained applications, such as portable electronics and embedded systems. Additionally, its robustness against moisture makes it suitable for outdoor and high-humidity environments.

Conclusion of MC79M15BDT

In summary, the MC79M15BDT is a versatile and reliable linear regulator IC, offering a fixed -15V output with up to 500mA current capability. Its high PSRR, low dropout voltage, and robust protection features make it an excellent choice for a wide range of applications. Despite being marked as obsolete, the MC79M15BDT continues to provide a stable and efficient power solution, particularly for applications requiring a negative voltage supply. Its compact DPAK package and surface mount design ensure easy integration into modern electronic systems, making it a valuable component in the electronics industry.