TPS75115QPWPR Integrated Circuits (ICs)

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The TPS75115QPWPR is a high-current linear voltage regulator which belongs to the category of power management integrated circuits (PMIC). It is a high-performance 500mA low drop linear regulator with many features. This can be used in a wide variety of applications such as battery-powered systems, portable signaling devices, digital audio players, set-top boxes, point-of-sale terminals and many more. It is manufactured by Texas Instruments and it is a part of the TPS75110/11/12/13/15/17/18 Series.

The TPS75115QPWPR provides excellent low-noise performance with a wide-input voltage range from 1.2V to 15V. It also offers a unique input Current Limiting feature which can be used to protect the device from over-current events. The regulator operates with a fixed output voltage of 3.3V and it can handle a maximum output current of 500mA. The device also features thermal shutdown protection which ensures that it will remain safe in the event of an over-temperature situation. It also features a wide operating temperature range of -40°C to +125°C.

The TPS75115QPWPR works according to the linear voltage regulator principle. The goal of linear voltage regulation is to provide a constant voltage output by utilising the input voltage supply. A linear voltage regulator is simply an electronic circuit which compares the input voltage (Vin) to a reference voltage (Vref) and adjusts the current to maintain a constant output voltage. This is done by utilising an error-amplifier circuit that compares the output voltage to the reference voltage. If the output voltage is higher than the reference voltage, the error-amplifier will decrease the current through the circuit, and vice versa. This will result in the output voltage remaining constant, regardless of input voltage changes.

Overall, the TPS75115QPWPR is a high-performance, low-noise linear voltage regulator which is ideal for applications requiring a constant 3.3V output voltage supply from either a low-voltage or high-voltage input supply. It can also be used in battery-powered systems, portable signaling devices, digital audio players, set-top boxes, point-of-sale terminals and many more applications. Its features such as current limiting and thermal shutdown protection ensure that it is safe to use even in the event of an over-current or over-temperature situation.

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