TPS76815QD

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The TPS76815QD is a high-speed, low quiescent current linear voltage regulator designed to support by providing an accurate output voltage of 1.2 V, 1.5 V, and 1.8 V with up to 300-mA output current. It is developed by Texas Instruments and is a part of the TPS768xxQD family of products. The regulator is designed with a fully integrated 3-terminal voltage reference for output voltage accuracy, and a high slew rate for fast transient response. The output voltage is externally adjustable, allowing for device selection and flexibility. The device features Power Save Mode (PSM) to minimize quiescent current, further extending battery life in portable applications. The device also features over-temperature protection, allowing for a safe operation in extreme temperatures, and various protection functions for safe and reliable operation.

The TPS76815QD belongs to the linear voltage regulator family. A linear voltage regulator is a type of voltage regulator, based on an integrated circuit, that provides a constant regulated output voltage, regardless of any fluctuations in input voltage or load. This is achieved by using a linear power supply, which is a combination of a voltage reference and one or more electronic amplifiers that adjusts the output voltage according to the load. Voltage regulation is also referred to as buck-boost or step-down regulation. The linear voltage regulator is a basic building block for many electronic applications.

The TPS76815QD application field includes portable computers, mobile phones, tablets, and any other application where low quiescent current and high output current is needed. The device is designed for battery-powered applications, and its PSM mode allows for minimize quiescent current and further extending battery life. The device is suitable for applications where the operating temperature range is between –40°C and +85°C.

The working principle of the TPS76815QD linear voltage regulator is based on a 3-terminal voltage reference and an amplifier. The voltage reference provides a reference voltage across the input voltage. The amplifier compares the voltage reference to the input voltage and adjusts its output voltage accordingly, providing a constant output voltage. The TPS76815QD is equipped with a high slew rate, allowing for fast transient response.

The TPS76815QD is equipped with a range of protection functions, including over-temperature protection and over-current protection. It also comes with a variety of other features, such as adjustable output voltage, Power Save Mode, adjustable current limit, and an integrated voltage reference. These features make the TPS76815QD an ideal choice for low quiescent current and high output current applications, such as portable computers, mobile phones, and tablets.

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