TPS79945YZUR

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The financial turmoil of 2008 highlighted the importance of solid voltage regulation in electronic circuitry, as its failure could lead to critical system malfunctions, fire, or even explosions. Voltage regulators remain an undervalued, but important component for many fields such as power management in consumer electronics, automotive and industrial applications. As such, the TPS79945YZUR is designed as an advanced linear integrated voltage regulator with a host of features and functions suitable for these applications.

The TPS79945YZUR is an easy-to-use, low-noise, low-dropout linear integrated regulator that features low dropout operation from 40V to 8V, with a maximum dropout voltage of 1.2V at 100mA. It includes thermal shutdown, overcurrent protection, reverse current protection and overvoltage protection, making it suitable for a range of applications. It is also capable of operating in a wide temperature range (from -40°C to +125°C), making it suitable for automotive and industrial applications.

The TPS79945YZUR uses a linear regulator design. Linear regulators feature an input voltage, output voltage, and an amount of current to be regulated. These linear regulators are designed to produce an output voltage that is regulated or constant within a specific range of input voltage variation. The output voltage of a linear regulator varies with the amount of load current. So if the current draw on the output increases, the output voltage will tend to drop. The linear regulators’ control voltage is created by a voltage drop across a series pass transistor. This output voltage is determined by the difference between the input and output voltage, multiplied by a voltage amplification factor.

The TPS79945YZUR has an output voltage of 3.3V, with a maximum output current of up to 500mA. The regulators’ quiescent current drain is around 1.9mA. The device has internally compensated current limiting, overvoltage protection, and thermal shutdown protection. The output is protected from negative voltages, and it is supplied in both SOT-223 and surface mount SOT-23-5 packages.

The applications of the TPS79945YZUR include, but are not limited to digital audio systems, portable devices and devices used in automotive and industrial applications. It can be used to provide voltage levels for digital signal processors, as well as powering and protecting devices like microcontrollers, sensors and other critical components. It could also be used to create levels of voltage necessary in vehicles, machinery and other equipment. Additionally, the low-noise, low-dropout output makes the TPS79945YZUR suitable for powering noise-sensitive components.

In conclusion, the TPS79945YZUR is an advanced linear integrated voltage regulator that is well suited for demanding applications, such as those in automotive and industrial applications. Its low-noise, low-dropout output, along with its overvoltage, thermal shutdown, and overcurrent protection make it a great choice for applications requiring high levels of voltage regulation. The device is also compact and easy to integrate into existing designs, making it an ideal solution for a variety of applications.

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