onsemi

MC7912CD2TR4G

MC7912CD2TR4G Description

The MC7912CD2TR4G is a high-performance 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 stable and reliable -12V output with a maximum current of 1A. Despite being classified as obsolete, it remains a popular choice for various applications due to its unique features and performance benefits.

MC7912CD2TR4G Features

• Output Type: Fixed, ensuring a consistent output voltage.
• Current - Output: 1A, capable of handling moderate current loads.
• Number of Regulators: 1, providing a single output channel.
• Output Configuration: Negative, suitable for applications requiring negative voltage.
• Voltage Dropout (Max): 1.3V @ 1A (Typ), maintaining efficiency under load.
• PSRR: 61dB (120Hz), offering excellent power supply rejection ratio.
• Protection Features: Over Current and Over Temperature, ensuring device reliability.
• RoHS Status: ROHS3 Compliant, adhering to environmental regulations.
• Moisture Sensitivity Level (MSL): 1 (Unlimited), suitable for a wide range of environments.
• Operating Temperature: 0°C ~ 125°C, suitable for both commercial and industrial applications.
• Mounting Type: Surface Mount, facilitating easy integration into PCB designs.
• Package: Tape & Reel (TR)

MC7912CD2TR4G Applications

The MC7912CD2TR4G is ideal for a variety of applications where a stable -12V output is required. Some specific use cases include:

1. Audio Equipment: Providing a clean and stable power supply for audio amplifiers and preamplifiers.
2. Industrial Control Systems: Ensuring reliable operation in harsh environments with fluctuating input voltages.
3. Telecommunications: Powering critical components in communication systems that require a stable negative voltage supply.
4. Automotive Electronics: Supporting various electronic systems in vehicles, such as infotainment and sensor control modules.

Conclusion of MC7912CD2TR4G

Despite its obsolete status, the MC7912CD2TR4G remains a popular choice for applications requiring a stable -12V output due to its unique features and performance benefits. Its fixed output, overcurrent and overtemperature protection, and excellent PSRR make it suitable for a wide range of applications, from audio equipment to industrial control systems. While it may not be the latest model on the market, its proven reliability and performance make it a valuable asset in many electronic designs.