onsemi

MC7912BD2TG

MC7912BD2TG Description

The MC7912BD2TG is a linear voltage regulator designed and manufactured by onsemi, a leading semiconductor company. This device is part of the Linear & Switching Voltage Regulators category and is specifically designed to provide a fixed output voltage of -12V with a maximum output current of 1A. Despite being classified as obsolete, the MC7912BD2TG remains a popular choice for certain applications due to its unique features and performance benefits.

MC7912BD2TG Features

• Output Type: Fixed
• Current - Output: 1A
• Number of Regulators: 1
• Output Configuration: Negative
• Product Status: Obsolete
• REACH Status: REACH Unaffected
• Mfr: onsemi
• Voltage Dropout (Max): 1.3V @ 1A (Typ)
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• PSRR: 61dB (120Hz)
• ECCN: EAR99
• Mounting Type: Surface Mount
• Protection Features: Over Current, Over Temperature
• HTSUS: 8542.39.0001
• Package: Tube
• Base Product Number: MC7912

The MC7912BD2TG offers several advantages over similar models, including a low voltage dropout of 1.3V at 1A, ensuring efficient power regulation. Its high PSRR of 61dB at 120Hz provides excellent noise rejection, making it suitable for applications where noise filtering is crucial. The device also features over current and over temperature protection, enhancing its reliability and safety.

MC7912BD2TG Applications

The MC7912BD2TG is ideal for applications requiring a stable -12V output with high efficiency and noise rejection. Some specific use cases include:

1. Audio Equipment: The low noise and high PSRR make it suitable for audio amplifiers and preamplifiers where noise filtering is essential.
2. Industrial Control Systems: The device's reliability and protection features make it suitable for power regulation in industrial control systems.
3. Telecommunications: The MC7912BD2TG can be used in telecommunications equipment where a stable -12V supply is required.

Conclusion of MC7912BD2TG

The MC7912BD2TG, despite being classified as obsolete, remains a popular choice for certain applications due to its unique features and performance benefits. Its low voltage dropout, high PSRR, and protection features make it suitable for applications requiring a stable -12V output with high efficiency and noise rejection. While it may not be the latest technology, the MC7912BD2TG continues to be a reliable and cost-effective solution for specific applications in the electronics industry.