STMicroelectronics

L9777C13TR

L9777C13TR Description

The L9777C13TR is a high-performance linear voltage regulator designed by STMicroelectronics. This device is part of the Linear & Switching Voltage Regulators category and offers adjustable output voltage with a wide input voltage range up to 31V. It is designed to deliver a maximum output current of 600mA, making it suitable for a variety of power supply applications. The regulator features a positive output configuration and is available in a Surface Mount package, specifically in Tape & Reel (TR) format. The L9777C13TR is actively manufactured and complies with REACH and RoHS3 standards, ensuring environmental sustainability and regulatory compliance.

L9777C13TR Features

The L9777C13TR boasts several key features that set it apart from other linear voltage regulators:

• Adjustable Output Voltage: The regulator provides an adjustable output voltage range from 4.9V to 5.1V, offering flexibility in various applications.
• Low Dropout Voltage: With a maximum dropout voltage of 1.5V at 50mA, the L9777C13TR ensures efficient power conversion even at low input-to-output voltage differentials.
• High PSRR: The regulator achieves a Power Supply Rejection Ratio (PSRR) of 55dB at 100Hz, effectively filtering out noise from the input power supply.
• Protection Features: The L9777C13TR includes over-current, over-temperature, and short-circuit protection, enhancing reliability and safeguarding against potential faults.
• Low Quiescent Current: The regulator operates with a low quiescent current of 700 µA, minimizing power consumption during idle periods.
• Moisture Sensitivity Level: The device is rated at MSL 3 (168 Hours), ensuring robustness in manufacturing processes involving reflow soldering.

L9777C13TR Applications

The L9777C13TR is ideal for a range of applications due to its robust performance and versatile design:

• Consumer Electronics: Suitable for powering devices such as smartphones, tablets, and portable gaming consoles where stable and efficient power supply is crucial.
• Industrial Equipment: Ideal for industrial control systems, sensors, and actuators that require reliable power regulation.
• Telecommunications: Can be used in base stations, routers, and other telecom equipment where precise voltage regulation is necessary.
• Automotive: Applicable in automotive electronic systems, such as infotainment systems and advanced driver assistance systems (ADAS), due to its ruggedness and compliance with industry standards.

Conclusion of L9777C13TR

The L9777C13TR from STMicroelectronics is a highly efficient and reliable linear voltage regulator tailored for applications requiring precise voltage control and robust performance. Its adjustable output voltage, low dropout voltage, and high PSRR make it an excellent choice for modern electronic systems. The inclusion of comprehensive protection features and compliance with environmental standards further enhance its appeal. Whether used in consumer electronics, industrial equipment, telecommunications, or automotive applications, the L9777C13TR stands out as a reliable and efficient power solution.