onsemi

MC79M05BDT

MC79M05BDT Description

The MC79M05BDT is a linear voltage regulator designed by onsemi, featuring a fixed negative output voltage of -5V and a maximum output current of 500mA. This regulator is housed in a DPAK package, which is ideal for surface mount applications. Despite being marked as obsolete, the MC79M05BDT remains a robust solution for applications requiring a stable negative voltage supply. The device is REACH unaffected and has a moisture sensitivity level (MSL) of 1, indicating it is suitable for unlimited exposure to moisture.

MC79M05BDT Features

• Output Type: Fixed negative output voltage of -5V.
• Output Current: Capable of delivering up to 500mA.
• Number of Regulators: Single regulator.
• Output Configuration: Negative output.
• Voltage Dropout: Maximum dropout voltage of 1.1V at 500mA (typical), ensuring efficient operation even at lower input voltages.
• Power Supply Rejection Ratio (PSRR): 66dB at 120Hz, providing excellent noise suppression and stable output voltage.
• Protection Features: Over current and over temperature protection, enhancing reliability and preventing damage under abnormal operating conditions.
• Mounting Type: Surface mount, suitable for compact and high-density PCB designs.
• Package: DPAK, a popular package type for its thermal performance and ease of integration.
• Moisture Sensitivity Level (MSL): Level 1 (Unlimited), making it suitable for various environmental conditions.
• ECCN: EAR99, indicating compliance with export regulations.
• HTSUS: 8542.39.0001, facilitating smooth customs clearance for international shipments.

MC79M05BDT Applications

The MC79M05BDT is well-suited for a variety of applications where a stable negative voltage supply is required. Its compact DPAK package and surface mount configuration make it ideal for space-constrained designs. Key applications include:

• Power Supplies: Providing a stable -5V supply for various electronic circuits.
• Telecommunications: Powering negative voltage rails in communication equipment.
• Industrial Control Systems: Ensuring reliable operation in industrial environments.
• Consumer Electronics: Used in devices requiring a negative voltage supply for specific components.
• Medical Equipment: Powering negative voltage rails in medical devices where stability and reliability are critical.

Conclusion of MC79M05BDT

The MC79M05BDT from onsemi is a reliable and efficient linear voltage regulator designed for applications requiring a fixed negative output voltage of -5V. Its key features, including a maximum output current of 500mA, low dropout voltage, and robust protection mechanisms, make it a versatile solution for a wide range of electronic systems. Despite being marked as obsolete, the MC79M05BDT remains a valuable component for engineers and designers looking for a dependable negative voltage regulator. Its compatibility with surface mount technology and compliance with industry standards further enhance its appeal. For applications where a stable and efficient negative voltage supply is essential, the MC79M05BDT is an excellent choice.