onsemi

MC7809CD2T

MC7809CD2T Description

The MC7809CD2T is a fixed positive linear voltage regulator designed by onsemi, offering a stable 9V output voltage with a maximum input voltage of 35V. This regulator is capable of delivering up to 1A of output current, making it suitable for a variety of applications requiring a reliable power supply. The device features a dropout voltage of 2V at 1A, ensuring efficient operation even at lower input-to-output voltage differentials. It also includes protection features such as over-temperature and short-circuit protection, enhancing its robustness and reliability. The MC7809CD2T is housed in a D2PAK package, which is ideal for surface-mount applications, and operates within a temperature range of 0°C to 125°C. Despite being marked as obsolete, its technical specifications and performance benefits make it a valuable component for specific use cases.

MC7809CD2T Features

• Output Type: Fixed positive output voltage
• Voltage - Input (Max): 35V
• Current - Output: 1A
• Voltage - Output (Min/Fixed): 9V
• Voltage Dropout (Max): 2V @ 1A (Typ)
• Operating Temperature: 0°C to 125°C
• Current - Quiescent (Iq): 8 mA
• PSRR: 61dB (120Hz)
• Protection Features: Over-temperature and short-circuit protection
• Package: D2PAK
• Mounting Type: Surface Mount
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• Product Status: Obsolete
• REACH Status: REACH Unaffected

MC7809CD2T Applications

The MC7809CD2T is ideal for applications requiring a stable 9V power supply with a maximum input voltage of 35V. Its ability to deliver up to 1A of output current makes it suitable for powering various electronic devices and circuits. The regulator's low dropout voltage of 2V at 1A ensures efficient operation, even when the input voltage is close to the output voltage. This feature is particularly beneficial in applications where the input voltage may vary significantly. The over-temperature and short-circuit protection features enhance the device's reliability and make it suitable for use in harsh environments. Some specific use cases include:

• Powering analog circuits and sensors
• Providing a stable voltage source for microcontrollers and other low-power devices
• Use in industrial control systems where reliability and robustness are critical

Conclusion of MC7809CD2T

The MC7809CD2T is a robust and reliable linear voltage regulator designed to provide a stable 9V output voltage with a maximum input voltage of 35V. Its ability to deliver up to 1A of output current, combined with its low dropout voltage and protection features, makes it an ideal choice for a variety of applications. Despite being marked as obsolete, the MC7809CD2T remains a valuable component for specific use cases where its technical specifications and performance benefits are required. Its surface-mount D2PAK package and wide operating temperature range further enhance its versatility and suitability for different environments.