STMicroelectronics

L7808CV

L7808CV Description

The L7808CV is a fixed positive linear voltage regulator designed by STMicroelectronics. It is part of the L78 family, known for its reliability and performance in various electronic applications. This regulator is designed to provide a stable 8V output voltage with a maximum input voltage of 35V and a continuous output current of up to 1.5A. The L7808CV features a low dropout voltage of 2V at 1A, ensuring efficient operation even under varying input conditions. The regulator is housed in a TO-220AB package, which is suitable for through-hole mounting and offers good thermal performance. Despite being marked as obsolete, the L7808CV remains a robust choice for applications requiring a fixed 8V output.

L7808CV Features

• Fixed Output Voltage: The L7808CV provides a stable 8V output, making it ideal for applications requiring a consistent power supply.
• High Input Voltage Range: With a maximum input voltage of 35V, the regulator can handle a wide range of input conditions, ensuring versatility and reliability.
• High Output Current: Capable of delivering up to 1.5A of continuous output current, the L7808CV is suitable for applications with moderate to high power requirements.
• Low Dropout Voltage: The regulator has a dropout voltage of 2V at 1A, which enhances efficiency and reduces power loss.
• Protection Features: Over-temperature and short-circuit protection ensure the regulator's longevity and reliability in demanding environments.
• Operating Temperature Range: The L7808CV operates reliably within a temperature range of 0°C to 125°C, making it suitable for industrial and automotive applications.
• Low Quiescent Current: The regulator has a quiescent current of 8mA, which minimizes power consumption during standby or low-load conditions.
• High Power Supply Rejection Ratio (PSRR): With a PSRR of 56dB at 120Hz, the L7808CV effectively filters out noise from the input power supply, ensuring a clean output voltage.
• Compliance: The L7808CV is REACH unaffected and RoHS3 compliant, meeting environmental and safety standards.

L7808CV Applications

The L7808CV is well-suited for a variety of applications where a stable 8V supply is required. Its high output current and wide input voltage range make it ideal for:

• Consumer Electronics: Powering devices that require a stable 8V supply, such as audio amplifiers, small motors, and LED drivers.
• Industrial Equipment: Providing reliable power to control systems, sensors, and actuators in industrial settings.
• Automotive Applications: Ensuring stable power supply to electronic components in vehicles, such as infotainment systems and electronic control units.
• Telecommunications: Supplying power to communication modules and base stations that require a fixed 8V voltage.

Conclusion of L7808CV

The L7808CV is a versatile and reliable linear voltage regulator that offers a stable 8V output with a high current capacity. Its low dropout voltage and protection features make it suitable for a wide range of applications, from consumer electronics to industrial and automotive systems. Despite being marked as obsolete, the L7808CV remains a robust choice for engineers and designers looking for a dependable power solution. Its compliance with environmental and safety standards ensures that it meets the requirements of modern electronics manufacturing.