TPS76833QPWPRQ1

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TPS76833QPWPRQ1 is a power management integrated circuit (PMIC) device from Texas Instruments (TI). It belongs to the Voltage Regulators - Linear category.

Specifically, the TPS76833QPWPRQ1 is a low-power, low-noise, low-dropout (LDO) linear voltage regulator. It provides a controlled output with a selectable accuracy of ±2%, ±3%, or 3% with an input voltage ranging from 3V to 16V. It supports a wide range of output capacitors and bandwidths to optimize system performance. This device offers a 0.5A guaranteed current, up to an adjustable maximum current limit of 1.8A.

The TPS76833QPWPRQ1 was designed for a variety of applications such as battery-powered equipment, cellular phones, laptops, PDAs and modems. In addition, it provides over-voltage, over-current and thermal protection along with ultra-low power consumption, making it ideal for extended battery life.

The working principle of the TPS76833QPWPRQ1 is based on a standard LDO design, in which a pass element is connected between the input and output. The pass element consists of an N-channel MOSFET with a current mirror, allowing the current to pass through the pass element to set the desired output voltage. Additionally, the voltage regulator includes an error amplifier and a feedback loop, which monitors the output voltage to ensure that it remains within the specified limits.

The error amplifier compares the output voltage to a reference voltage. If the voltage goes above or below the specified range, the error amplifier will adjust the bias of the current mirror to adjust the current passing through the pass element and bringing the voltage back to the desired level. The TPS76833QPWPRQ1 also includes an enable input pin to enable or disable the LDO, as well as supplying control signals to the pass element.

In conclusion, the TPS76833QPWPRQ1 is a low-dropout linear voltage regulator that was designed for battery-powered applications. It offers fast response times, low noise and ultra-low power consumption, making it ideal for improving battery life. The device utilizes a standard LDO design, with an error amplifier and a feedback loop to ensure that the output voltage remains within the specified limits. It offers over-voltage, over-current and thermal protection, and can be enabled or disabled via an enable input pin.

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