TPS7A4101DGNT

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TPS7A4101DGNT is a high performance, low power, low dropout linear regulator, which belongs to the Voltage Regulators - Linear family of Power Management ICs (PMICs). The device has a wide range of applications, including automotive, industrial and consumer. It offers a wide input voltage range from +3.3V to +18V, and can output a regulated voltage from 1V to 15V, providing up to 800mA of output current. This makes the TPS7A4101DGNT well suited for powering low power systems such as sensors, MEMS, and other low power applications.

The device is made with an N-channel MOSFET (Metal Oxide Semiconductor Field-Effect Transistor) as the pass device, a precision bandgap voltage reference, and two series pass devices. The two pass elements ensure that the output voltage is regulated over the full range of power supply fluctuations. The control circuitry actively monitors the output voltage and adjusts the MOSFET gate to maintain the output voltage at its set value.

The TPS7A4101DGNT supports a wide range of operating conditions, with a typical dropout voltage of only 150mV at 800mA, and a maximum junction temperature of 125°C. The device is designed interactively with OCP, UVP, and SCP. The Thermal Protection Mode (TPM) feature monitors the junction temperature and switches off the device automatically to prevent any dangerous overheating.

The device can also be used in combination with a charge pump to achieve a low quiescent current of typically only 50µA, making this device ideal for applications in battery-powered systems. An additional active low Shutdown pin allows for easy power management of the device.

Furthermore, the TPS7A4101DGNT has a high PSRR (Power Supply Ripple Rejection) rating of 70dB, allowing it to maintain its output voltage even in the presence of high levels of supply noise. This makes it an excellent choice for applications where the supply noise is high, such as automotive, avionics and other harsh environments.

Overall, the TPS7A4101DGNT is an excellent choice for low power applications, thanks to its high efficiency, low dropout voltage, low quiescent current, high PSRR, and a wide operating temperature range. With its wide input voltage range, robust protection features, and high PSRR rating, the TPS7A4101DGNT is suited for a range of applications including automotive, industrial and consumer.

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