UC382TDTR-3

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The UC382TDTR-3 is a linear voltage regulator that helps maintain a consistent operating voltage in a variety of electronic equipment. It is part of the UC3 Series of regulators from NXP Semiconductors and can be used to provide regulated output voltage in a range of 0.9 V to 5.5 V. The device is designed to operate over a wide input range of 5.5 V to 30 V and can drive a maximum output current of 3 A. It is also adjustable, allowing the output voltage to be adjusted up to 5.5 V.

Applications

The UC382TDTR-3 is suitable for use in a number of applications, including basebands, power management, battery management, and automotive systems. It can also be used in high current applications with its ability to provide up to 3 A of output current. It is designed for use with low voltage and high current devices, such as field-effect transistors and MOSFETs.

Features

The UC382TDTR-3 is designed to offer enhanced performance and low power consumption while providing an adjustable output voltage. It also offers a low quiescent current of only 0.45 mA and a low output voltage ripple of 0.1 mV. The device enables efficient, reliable operation and long battery life in battery and power management applications, making it suitable for a wide range of portable electronics. The UC382TDTR-3 also offers current and temperature protection, input voltage transient protection, and internal output voltage compensation for improved accuracy.

Working Principle

The UC382TDTR-3 is a linear voltage regulator that works by creating a voltage drop between its input and output. The device uses a P-channel MOSFET as its main switching element, which is connected across the input and output. When the input voltage is applied, the P-channel MOSFET passes current and charges the output, creating a voltage drop across itself. This voltage drop brings the output voltage to the specified level, providing a regulated output.

The device also features a current-limit circuit and a thermal overload protection circuit. The current-limit circuit is connected between the P-channel MOSFET and ground, and limits the current that can flow through the P-channel MOSFET. The thermal overload protection circuit monitors the temperature of the device and shuts down the P-channel MOSFET when it reaches a certain temperature, to prevent damage to the device.

Conclusion

The UC382TDTR-3 is a linear voltage regulator from NXP Semiconductors that can be used to provide regulated output voltage in a range of 0.9 V to 5.5 V. It is designed for use in a range of applications and allows for an adjustable output voltage. It is also power-efficient and feature-rich, with current and temperature protection, input voltage transient protection, and internal output voltage compensation. The device works by creating a voltage drop between its input and output, which allows it to provide a regulated output.

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