onsemi

MC7812ECDTXM

MC7812ECDTXM Description

The MC7812ECDTXM is a linear voltage regulator designed by onsemi, offering a fixed output voltage of 12V and capable of delivering up to 1A of output current. This regulator is housed in a DPAK (TO-252) package, which is suitable for surface-mount applications. Despite being marked as obsolete, the MC7812ECDTXM remains a reliable choice for applications requiring a stable 12V supply.

MC7812ECDTXM Features

• Output Type: Fixed at 12V, ensuring a stable power supply for various electronic circuits.
• Input Voltage Range: Capable of handling input voltages up to 35V, providing flexibility in power source selection.
• Output Current: Delivers a consistent 1A of current, suitable for a wide range of applications.
• Low Dropout Voltage: With a maximum dropout voltage of 2V at 1A (typical), the MC7812ECDTXM operates efficiently even with minimal input-output voltage differences.
• Protection Features: Over-temperature and short-circuit protection ensure robustness and reliability, safeguarding the regulator and connected components.
• Low Quiescent Current: Consumes only 8 mA in quiescent state, minimizing power loss and enhancing overall efficiency.
• High Power Supply Rejection Ratio (PSRR): Achieves 71dB at 120Hz, effectively filtering out noise from the power supply.
• Mounting Type: Surface mount, compatible with modern PCB assembly techniques.
• Moisture Sensitivity Level: MSL 1 (unlimited), indicating the device is not sensitive to moisture, suitable for various environmental conditions.
• Package: Tape & Reel (TR), facilitating automated assembly processes.

MC7812ECDTXM Applications

The MC7812ECDTXM is ideal for applications requiring a stable 12V supply, such as:

• Consumer Electronics: Powering devices like portable audio equipment, where a reliable and stable voltage is crucial.
• Industrial Control Systems: Providing a stable power source for sensors, actuators, and control modules.
• Telecommunications: Supplying power to communication modules and embedded systems.
• Automotive Electronics: Suitable for powering various electronic components within vehicles, given its robust protection features and reliability.

Conclusion of MC7812ECDTXM

The MC7812ECDTXM, despite its obsolete status, remains a valuable component in the realm of linear voltage regulators. Its combination of a fixed 12V output, high input voltage tolerance, and robust protection features make it a reliable choice for applications requiring a stable power supply. The low dropout voltage and high PSRR further enhance its performance, ensuring minimal power loss and effective noise filtering. For applications where a stable 12V supply is essential, the MC7812ECDTXM stands out as a dependable solution, offering a balance of performance and reliability.