LP3990TL-0.8/NOPB

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The LP3990TL-0.8/NOPB is a linear voltage regulator that provides fast and efficient voltage regulation for small circuitry, such as battery-powered projects and precision analog circuits. This voltage regulator applies a voltage-translating circuit topology that enables it to offer tight output accuracy and low noise, while also providing an effective thermal performance. This device operates as an adjustable voltage regulator, while also having the ability to function as a fixed voltage regulator.

Application Field and Working Principle

The LP3990TL-0.8/NOPB is a popular device for precision analog circuits, because it is capable of supplying exact and regulated voltage to the circuitry. This voltage regulator can also be used to power digital systems due to its low-noise characteristics. This voltage regulator\'s application range is specifically targeted at devices that require a regulated output voltage from 1.8V to 5.5V. These devices also have a current rating of up to 0.8A. This device is widely used design for a multitude of applications, including consumer electronics, industrial, automotive and medical.

The LP3990TL-0.8/NOPB is a linear voltage regulator. It applies a voltage-translating circuit topology that enables it to offer tight output accuracy and low noise, while maintaining an effective thermal performance. A linear regulator works by controlling the output voltage in order to keep it at a constant level. To control the output voltage, the regulator compares the reference voltage of the circuit with the output voltage and adjusts the output voltage accordingly. This is done by employing a control circuitry, which turns the power MOSFET off or partially on, based on the reference voltage\'s output.

The LP3990TL-0.8/NOPB features a flip-chip package that supports a 12-bit voltage control range and a small foot-print. It helps maximize the design efficiency with low-noise, high accuracy and an efficient thermal performance. Additionally, the device comes with an internal current limit, reverse polarity protection, thermal shut-down, and output over-voltage protection. This voltage regulator also has an operating temperature range of -40°C to 85°C, and an output voltage of 1.8V to 5.5V with an accuracty of +/-1%.

The LP3990TL-0.8/NOPB is a popular choice for designs requiring both a low-noise and high accuracy performance with an active input current of typically 3mA. This device is easy to use and provides cost-saving application opportunities, which makes it a great choice for designers looking for a reliable and affordable voltage regulator.

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