TPS72025QDRVRQ1

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Application Field and Working Principle of TPS72025QDRVRQ1

The TPS72025QDRVRQ1, a linear voltage regulator offered by Texas Instruments, is designed to provide a low-noise, low-dropout (LDO) supply with low quiescent current that is suitable for battery-powered and power-sensitive applications.

The TPS72025QDRVRQ1 offers stable output regulation over line, load, and temperature variations. Maximum output current is up to 1.5 A and the output voltage is adjustable within the range of 0.8 V to 5.5 V. Its low quiescent current and wide operating range render it as an optimal solution for low power mobile applications. In addition, its extremely low output voltage noise, fast transient response, enable it to support microcontrollers or sensitive applications with high performance.

The working principle of TPS72025QDRVRQ1 is quite simple. The TPS72025QDRVRQ1 employs an external voltage reference and feedback loop to regulate the output voltage. The voltage reference is connected to the noninverting input of the error amplifier, which provides the reference point for the output. The error amplifier compares the output voltage with the reference voltage and outputs an appropriate voltage to the gate of the P channel MOSFET. If the output voltage deviates from the desired value, the P channel MOSFET gate is adjusted to compensate for the variation. This adjustment is known as feedback. The regulation of the output voltage is provided by the internal or external resistor divider connected to the feedback pin.

The TPS72025QDRVRQ1 is also accessible with several features including over current protection, short circuit detection, thermal shutdown, and automatic power saving. In addition, this IC is also available in the 28-pin QFN package. Powered with 1.2 V to 5.5 V input voltage, the TPS72025QDRVRQ1 of TI provides an optimal solution for low power, low noise, and reliable applications.

In summary, TPS72025QDRVRQ1 is designed to offer clean and reliable low noise, low dropout voltage supply in battery operated and power sensitive circuits. This linear voltage regulator with adjustable output current up to 1.5 A and output voltage range of 0.8 V to 5.5 V offers stable output regulation over line, load, and temperature variations. Moreover, additional features such as over current protection, short circuit detection, thermal shutdown, and automatic power saving make it suitable for many applications. Thus, TPS72025QDRVRQ1 can be the ideal choice for low power mobile applications.

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