LF85ABPT-TR

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The LF85ABPT-TR is a linear voltage regulator and is part of the PMIC (Power Management Integrated Circuit) family of products. It has an output current rating up to 2A, and it has an operating voltage range of 4.5V to 28V. It is designed to provide tight load and line regulation, as well as low start-up and dropout voltage. It also features low quiescent current and thermal protection.

The primary application of the LF85ABPT-TR is to provide a stable and low-ripple voltage for power circuits in portable applications such as cell phones or laptops. It is also suitable for use in automotive and industrial applications, as well as laboratory and test equipment.

The LF85ABPT-TR is an integrated circuit (IC) that is composed of an error amplifier, an internal reference, and a series of transistors that act as a shunt regulator. When an input signal is applied to the Vin (Input Voltage) and Vout (Output Voltage) pins, the error amplifier compares the two to the internal reference voltage. If there is a discrepancy, the error amplifier will adjust the transistors to ensure the output remains stable and provides the required regulation level. The transistors, acting as a shunt regulator, act to protect the circuitry from over-emphasised input voltages and protect against over-voltage conditions.

The LF85ABPT-TR has an output voltage range of 1.5V-20V and is typically used as a positive voltage regulator. Its key features include high output current rating up to 2A, tight line and load regulation, low quiescent current, low start-up/dropout voltage and thermal protection. It also features over-temperature, over-current and overload protection. Additionally, it has an internal compensation network, enabling it to display excellent dynamic response and good reliability.

In summary, the LF85ABPT-TR is a linear voltage regulator which is part of the PMIC family of products. It has an operating voltage range of 4.5V - 28V and is capable of providing up to 2A of output current. It is suitable for use in portable applications, automotive and industrial applications as well as laboratory and test equipment. It provides tight line and load regulation and has a variety of protection features such as over-temperature, over-current and overload protection.

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