Analog Devices Inc.

LT3083IDF

LT3083IDF Description

The LT3083IDF is a high-performance linear regulator designed by Analog Devices Inc., offering adjustable output voltage capabilities within a wide range of 0V to 14V. This regulator is capable of delivering up to 3A of output current, making it suitable for a variety of demanding applications. The LT3083IDF features a low dropout voltage of 0.42V at maximum load, ensuring efficient operation even at low input-to-output differentials. This regulator is housed in a surface-mount package, specifically a tube, which facilitates easy integration into compact designs.

LT3083IDF Features

• Adjustable Output Voltage: The LT3083IDF provides a wide adjustable output voltage range from 0V to 14V, offering flexibility in various power management applications.
• High Output Current: Capable of delivering up to 3A of output current, this regulator is suitable for high-power applications.
• Low Dropout Voltage: With a maximum dropout voltage of 0.42V at 3A, the LT3083IDF ensures high efficiency and minimal power loss.
• Low Quiescent Current: The regulator operates with a quiescent current of only 50.5 µA, making it ideal for battery-powered and low-power applications.
• High PSRR: The LT3083IDF exhibits a high power supply rejection ratio (PSRR) of 85dB at 120Hz, which reduces to 20dB at 1MHz, ensuring excellent noise suppression and stable output.
• Protection Features: The regulator includes over-current, over-temperature, and short-circuit protection, enhancing reliability and safeguarding against potential faults.
• Surface-Mount Package: The LT3083IDF is available in a surface-mount tube package, facilitating easy integration into modern PCB designs.

LT3083IDF Applications

The LT3083IDF is well-suited for a range of applications where adjustable voltage regulation and high current delivery are critical. Some specific use cases include:

• Power Supplies: Ideal for designing power supplies that require precise voltage regulation and high current output.
• Battery Chargers: Suitable for battery charging applications where adjustable voltage and low dropout are essential for efficient charging.
• Industrial Equipment: Can be used in industrial control systems where reliable power management and protection features are necessary.
• Consumer Electronics: Applicable in consumer devices that demand high efficiency and low power consumption.

Conclusion of LT3083IDF

The LT3083IDF from Analog Devices Inc. is a versatile linear regulator that offers adjustable output voltage, high current capability, and low dropout voltage. Its low quiescent current and high PSRR make it suitable for applications requiring high efficiency and noise suppression. The inclusion of comprehensive protection features ensures robustness and reliability. While the product is now obsolete, the LT3083IDF remains a notable solution for applications that require precise and efficient power management.