TPS799285DDCRG4

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The TPS799285DDCRG4 is a low dropout linear regulator from Texas Instruments. It is a part of the TPS799 series, which consists of a range of 150mA voltage regulators. This part is an adjustable linear regulator, offering an adjustable output voltage range from 0.8V to 5V with a maximum load current of 150mA per channel. It has a low dropout voltage of 200mV at 150mA and can operate with a wide input voltage range of 3.2V to 17V.

The TPS799285DDCRG4 is a useful device for powering digital devices, such as microcontrollers, FPGAs, digital signal processors, and similar logic-level electronics, due to its low dropout voltage. It is available in a small, 8-SOIC package, which makes it suitable for applications in space-constrained environments. It also offers excellent line and load regulation, low quiescent current (typically 1.2mA), and low output noise for improved performance. The integrated low-power shutdown mode draws 0.9uA in standby.

The TPS799285DDCRG4 works on the principle of controlling an improved pre-regulator to modify the input voltage to match the desired output voltage. This is done by comparing the output voltage to an internal 1.2V reference and controlling the bias of the pre-regulator according to the error voltage generated. This results in a very low dropout voltage and high accuracy of the device.

The TPS799285DDCRG4 is an ideal choice for applications that require linear regulation with low dropout voltage, such as battery-powered systems. It is also suitable for automotive applications because it is AEC-Q100 qualified. Other applications include powering microprocessors, FPGAs, digital audio and RF circuits, mobile phone baseband processors, and wireless communication transceivers.

In conclusion, the TPS799285DDCRG4 is a low dropout linear voltage regulator from Texas Instruments. It offers excellent line and load regulation, low quiescent current, and low output noise, making it suitable for powering digital electronics. It works on the principle of controlling a pre-regulator to match the desired output voltage and features a low dropout voltage of 200mV at 150mA. This makes it ideal for applications that require low dropout voltage and high accuracy, such as battery-powered systems. Its small package size and AEC-Q100 qualification also make it suitable for automotive applications.

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