onsemi

MC7905CD2TG

MC7905CD2TG Description

The MC7905CD2TG is a fixed-output linear voltage regulator designed for applications requiring a stable -5V output at a maximum current of 1A. Manufactured by onsemi, this regulator is housed in a D2PAK package and features a dropout voltage of 1.3V at 1A (typical). Despite its obsolete status, the MC7905CD2TG remains a reliable choice for various electronic systems due to its robust performance and compliance with industry standards such as REACH and ROHS3.

MC7905CD2TG Features

• Output Type: Fixed at -5V, ensuring a stable power supply for sensitive electronic components.
• Current - Output: Capable of delivering up to 1A, making it suitable for applications requiring moderate power levels.
• Number of Regulators: Single regulator design simplifies circuit design and reduces component count.
• Output Configuration: Negative output configuration, ideal for applications requiring a negative voltage supply.
• Voltage Dropout (Max): 1.3V @ 1A (Typ), allowing for efficient operation even at low input voltages.
• Protection Features: Over current and over temperature protection ensure reliable operation and protect against short circuits and thermal overload.
• Operating Temperature: Wide range of 0°C to 125°C, suitable for industrial and automotive applications.
• PSRR: 70dB at 120Hz, providing excellent noise rejection and stable output voltage.
• Mounting Type: Surface mount, enabling compact and efficient PCB designs.
• Moisture Sensitivity Level (MSL): Level 1 (Unlimited), ensuring the device is suitable for a variety of manufacturing environments.
• Package: Tube packaging, facilitating easy handling and storage during production processes.

MC7905CD2TG Applications

The MC7905CD2TG is particularly well-suited for applications that require a stable -5V supply, such as:

• Industrial Control Systems: Providing a reliable power source for sensors, actuators, and control circuits.
• Automotive Electronics: Suitable for automotive applications due to its wide operating temperature range and robust design.
• Telecommunications: Ideal for powering communication equipment that requires a negative voltage supply.
• Medical Devices: Ensuring stable power for sensitive medical instrumentation.
• Consumer Electronics: Suitable for a variety of consumer devices that require a negative voltage rail.

Conclusion of MC7905CD2TG

The MC7905CD2TG is a versatile and reliable linear voltage regulator that offers a stable -5V output with a maximum current of 1A. Its low dropout voltage, over current and over temperature protection features, and wide operating temperature range make it an excellent choice for a variety of industrial and consumer applications. Despite being marked as obsolete, the MC7905CD2TG remains a dependable option for engineers and designers seeking a robust and compliant power solution.