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TDA3661AT/N1,118

TDA3661AT/N1,118 Description

The TDA3661AT/N1,118 is a high-performance adjustable linear voltage regulator designed by NXP Semiconductors. This IC offers a wide input voltage range up to 45V and can deliver a maximum output current of 100mA. It features a single regulator with a positive output configuration, making it suitable for a variety of power management applications. The regulator is designed with a low quiescent current of 30 µA and a maximum dropout voltage of 0.3V at 50mA, ensuring efficient power conversion even at low input-to-output voltage differentials. The TDA3661AT/N1,118 also includes comprehensive protection features such as over-current, over-temperature, reverse polarity, short circuit, and transient voltage protection, enhancing its reliability and robustness in demanding environments.

TDA3661AT/N1,118 Features

• Adjustable Output Voltage: The TDA3661AT/N1,118 provides an adjustable output voltage range from 1.5V to 45V, offering flexibility to meet various power requirements.
• High Input Voltage Capability: With a maximum input voltage of 45V, this regulator can handle a wide range of input sources, making it suitable for applications with varying input voltage levels.
• Low Dropout Voltage: The maximum dropout voltage of 0.3V at 50mA ensures high efficiency, especially in applications where the input voltage is close to the desired output voltage.
• Low Quiescent Current: The regulator operates with a low quiescent current of 30 µA, minimizing power consumption in standby or low-load conditions.
• High PSRR: The TDA3661AT/N1,118 boasts a power supply rejection ratio (PSRR) of 60dB at 120Hz, effectively filtering out noise and ripple from the input supply.
• Comprehensive Protection Features: Over-current, over-temperature, reverse polarity, short circuit, and transient voltage protections ensure the regulator's longevity and reliability in harsh operating conditions.
• Surface Mount Package: The surface mount package type facilitates easy integration into compact and high-density PCB designs.

TDA3661AT/N1,118 Applications

The TDA3661AT/N1,118 is ideal for a range of applications that require a reliable and efficient power supply solution. Its adjustable output voltage and high input voltage capability make it suitable for:

• Consumer Electronics: Powering devices such as smartphones, tablets, and portable media players.
• Automotive Electronics: Providing stable power to electronic control units (ECUs) and infotainment systems.
• Industrial Equipment: Supplying power to sensors, actuators, and control systems in industrial automation.
• Telecommunications: Ensuring reliable power for base stations, routers, and other communication equipment.
• Medical Devices: Powering portable medical devices and diagnostic equipment where precision and reliability are critical.

Conclusion of TDA3661AT/N1,118

The TDA3661AT/N1,118 from NXP Semiconductors is a versatile and robust adjustable linear voltage regulator that offers a wide input voltage range, low dropout voltage, and comprehensive protection features. Its low quiescent current and high PSRR make it an efficient and reliable choice for a variety of applications. Despite its obsolete status, the TDA3661AT/N1,118 remains a valuable component for designers seeking a high-performance voltage regulator with a proven track record in the electronics industry.