STMicroelectronics

LF80CDT-TRY

LF80CDT-TRY Description

The LF80CDT-TRY is a linear voltage regulator designed by STMicroelectronics, a leading manufacturer in the semiconductor industry. This regulator is part of the LF80 series and is specifically tailored for automotive applications. It features a fixed output voltage of 8V and a maximum output current of 500mA. The regulator operates with an input voltage range up to 16V and is housed in a DPAK package, which is suitable for surface mount technology (SMT). Despite being marked as obsolete, the LF80CDT-TRY remains a reliable choice for applications requiring a stable power supply with a fixed output voltage.

LF80CDT-TRY Features

• Fixed Output Voltage: The LF80CDT-TRY provides a stable 8V output voltage, ensuring consistent power delivery to connected devices.
• High Input Voltage Range: With a maximum input voltage of 16V, this regulator can handle a wide range of input voltages, making it versatile for various power supply scenarios.
• Low Dropout Voltage: The maximum dropout voltage of 1.3V at 500mA ensures high efficiency, especially in applications where the input voltage is close to the output voltage.
• Over Current and Over Temperature Protection: These protection features enhance the reliability and safety of the regulator, safeguarding it against overloads and thermal runaway.
• Low Quiescent Current: The regulator consumes only 2.5 mA in quiescent mode, minimizing power loss and extending battery life in low-power applications.
• High Power Supply Rejection Ratio (PSRR): The PSRR ranges from 72dB to 57dB across frequencies from 120Hz to 10kHz, effectively filtering out noise and ripple from the input power supply.
• Automotive Grade: Certified for automotive use, the LF80CDT-TRY meets the stringent requirements of the automotive industry, ensuring robust performance in harsh environments.
• Compliance and Packaging: The regulator is REACH unaffected and ROHS3 compliant, adhering to environmental regulations. It is available in a tape and reel package, facilitating efficient manufacturing processes.

LF80CDT-TRY Applications

The LF80CDT-TRY is ideal for a variety of applications, particularly those within the automotive sector. Its fixed 8V output and robust protection features make it suitable for powering electronic control units (ECUs), infotainment systems, and other automotive electronics. The low dropout voltage and high PSRR ensure stable and clean power supply, which is crucial for sensitive electronic components. Additionally, its low quiescent current makes it an excellent choice for battery-powered devices where energy efficiency is paramount.

Conclusion of LF80CDT-TRY

In summary, the LF80CDT-TRY is a high-performance linear voltage regulator designed for automotive applications. Its fixed 8V output, low dropout voltage, and robust protection features make it a reliable power solution. Despite being marked as obsolete, its technical specifications and performance benefits continue to make it a valuable component for engineers and designers. The LF80CDT-TRY's compliance with environmental regulations and its surface mount package further enhance its suitability for modern manufacturing processes.