RT9163-50GL

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The RT9163-50GL is a low dropout linear voltage regulator, which belongs to the voltage regulator part of the PMIC (power management integrated circuit). The voltage regulator mainly converts the input voltage into the required output voltage for the application. In this article, we will explore the application field and working principle of the RT9163-50GL.

Application Field

The RT9163-50GL is designed to provide the unregulated input power (3.3V to 6.5V) to a regulated 3.3V output voltage at output current up to 1A. This regulator is usually used in digital systems such as telecommunication equipment, computers, consumer electronics, and automotive applications. This device can also be used in portable electronic equipment, such as digital cameras and PDAs.

Features

The RT9163-50GL is a low dropout linear voltage regulator with a dropout voltage of 0.5V. This device has low quiescent current, and a high power supply rejection ratio. It also comes with thermal shut down and current limit protection, and a low temperature coefficient. This device is available in SOT-23-5,SON-5, SOP-7 and DFN-5 packages.

Working Principle

The RT9163-50GL is based on a three pin voltage regulator, i.e. VIN, ground, and VOUT. The VIN pin is used to connect to the unregulated power supply, GND is for connecting to the ground, and VOUT is for the regulated voltage output. The device is designed to provide an output voltage of 3.3V when an input voltage of between 3.3V and 6.5V is applied.

The operating principle of the RT9163-50GL is simple. The unregulated voltage input is applied to the device which then regulates the output voltage to 3.3V by consuming the excess energy though the output stage. The device utilizes a bandgap reference, a current mirror, and an error amplifier to generate and maintain the output voltage.

Conclusion

The RT9163-50GL is a low-dropout linear voltage regulator that can be used in a variety of applications to provide a regulated 3.3V output voltage from a 3.3V to 6.5V input voltage. It features low quiescent current, a high power supply rejection ratio, Thermal shut down and current limit protection, and low temperature coefficient. The operating principle of the device is based on the regulation of the output voltage by consuming excess energy.

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