L7885CV Description
The L7885CV is a fixed-output linear voltage regulator designed by STMicroelectronics, a leading manufacturer in the power management sector. This regulator is part of the L7885 series and offers a stable output voltage of 8.5V with a maximum input voltage of 35V. It is capable of delivering up to 1.5A of output current, making it suitable for a variety of applications requiring reliable power supply solutions. The L7885CV features a dropout voltage of 2V at 1A, ensuring efficient operation even under varying load conditions. It is housed in a TO220AB package, which is ideal for through-hole mounting and provides robust mechanical stability.
L7885CV Features
- Fixed Output Voltage: The L7885CV provides a fixed output voltage of 8.5V, ensuring consistent power delivery to connected devices.
- High Input Voltage Range: With a maximum input voltage of 35V, this regulator can handle a wide range of input voltages, making it versatile for various power sources.
- High Output Current: Capable of delivering up to 1.5A of output current, the L7885CV can power demanding applications without compromising performance.
- 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 longevity and reliability of the device, safeguarding against potential faults.
- Operating Temperature Range: The L7885CV operates within a temperature range of 0°C to 125°C, making it suitable for both ambient and high-temperature environments.
- Low Quiescent Current: A quiescent current of 8 mA minimizes power consumption during standby mode, contributing to overall energy efficiency.
- High Power Supply Rejection Ratio (PSRR): With a PSRR of 56dB at 120Hz, the regulator effectively filters out noise from the power supply, ensuring clean and stable output voltage.
- Compliance and Packaging: The L7885CV is REACH unaffected and RoHS3 compliant, adhering to stringent environmental regulations. It is packaged in a tube, facilitating easy handling and storage.
L7885CV Applications
The L7885CV is ideal for a range of applications that require a stable and reliable power supply. Some specific use cases include:
- Consumer Electronics: Ideal for powering devices such as radios, amplifiers, and other consumer electronics that require a fixed voltage supply.
- Industrial Equipment: Suitable for industrial applications where a robust and efficient power supply is essential, such as in control systems and instrumentation.
- Automotive Electronics: The wide operating temperature range and high current output make it suitable for automotive applications, including in-car entertainment systems and electronic control units.
- Telecommunications: Can be used in telecommunication equipment where stable power supply is critical for uninterrupted operation.
- Medical Devices: Its reliability and protection features make it suitable for medical devices that require precise and stable power supply.
Conclusion of L7885CV
The L7885CV from STMicroelectronics is a versatile and reliable linear voltage regulator that offers a fixed output voltage of 8.5V and a maximum output current of 1.5A. Its low dropout voltage, high PSRR, and comprehensive protection features make it an excellent choice for a variety of applications. Despite being marked as obsolete, the L7885CV remains a robust solution for power management needs, particularly in environments requiring stable and efficient power delivery. Its compliance with environmental regulations and robust packaging further enhance its appeal for modern electronics applications.