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MC7912BT

MC7912BT Description

The MC7912BT is a linear voltage regulator from onsemi, designed to provide a stable and reliable output voltage. With a fixed output type and a current output of 1A, this single regulator is configured for negative output voltages. Despite being classified as obsolete, the MC7912BT remains a REACH unaffected product, ensuring compliance with environmental regulations. This through-hole mounted device is packaged in a tube, making it suitable for various applications where space is limited.

MC7912BT Features

• Output Type: Fixed, ensuring a consistent output voltage.
• Current - Output: 1A, providing ample current for many electronic circuits.
• Number of Regulators: 1, simplifying circuit design and reducing complexity.
• Output Configuration: Negative, ideal for applications requiring a negative voltage rail.
• Voltage Dropout (Max): 1.3V @ 1A (Typ), maintaining efficiency under load.
• Moisture Sensitivity Level (MSL): 1 (Unlimited), ensuring long-term reliability in various environments.
• PSRR: 61dB (120Hz), providing excellent power supply rejection ratio for stable operation.
• Protection Features: Over Current and Over Temperature, safeguarding the device and connected components.
• Mounting Type: Through Hole, facilitating easy integration into existing PCB designs.

MC7912BT Applications

The MC7912BT is ideal for applications where a stable negative voltage is required, such as:

• Audio Equipment: Providing a negative bias voltage for amplifiers and preamplifiers.
• Industrial Control Systems: Supplying power to low-voltage circuits in industrial automation.
• Telecommunications: Powering signal conditioning circuits in communication equipment.

Conclusion of MC7912BT

While the MC7912BT is an obsolete product, its unique combination of features, such as a fixed negative output, 1A current output, and robust protection features, make it a valuable component for specific applications. Its REACH unaffected status and through-hole mounting type ensure compatibility with existing designs. Despite the product's age, the MC7912BT remains a reliable choice for applications requiring a stable negative voltage supply.