RT8115AZQW

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RT8115AZQW is a highly integrated DC-DC switching regulator and Pulse Width Modulation (PWM) controller. It features a high efficiency, low-noise and high-bandwidth switching regulator, as well as a PWM controller to enable the standby power on non-processor-based platforms. With its low noise, high efficiency and high-bandwidth switching regulator, the RT8115AZQW is the perfect choice for any system that requires low power and high efficiency.

The RT8115AZQW voltage regulator offers several key features. First, it is designed to enable wide input voltage range operation from 4.5V to 28V, meaning it can be used for a variety of applications. In addition, it offers a low quiescent current, up to 4mA typical, to eliminate overheads from unnecessary current consumption. Furthermore, it is capable of handling up to 6A of output current and offers a wide PWM frequency range, up to 300kHz.

Second, the RT8115AZQW power management integrated circuit offers several smart features. First, it includes an overvoltage protection; it responds quickly to ovrvoltages and shutdown the supplies within seconds in case of overload or short circuit conditions. In addition, it has thermal overload protection, meaning the device incorporates an on-board temperature sensor that monitors the die temperature and reduces the output power when the temperature increases. Moreover, the device offers a power-save feature, which when enabled, will switch the supplies to a low-power state when the system is in idle mode.

Third, the RT8115AZQW offers several output stages, such as high-side, low-side, and dual-output stages for powering multiple loads. Furthermore, it offers configurable frequency mode control or synchronizable PWM mode control which can be used to adjust the frequency of the switching regulator. Also, it has a UVLO pin which allows for the detection of when the voltage is below the desired 2.4V, and it is capable of providing an 18V output voltage in synchronization with the input voltage to power certain types of load.

The RT8115AZQW’s working principle centers around its PWM controller and its power stages. Its PWM controller uses pulse width modulation to regulate the output voltage of the switching regulator. The switching regulator then regulate the output voltage by changing the duty cycle of the circuit in order to control the average current of the output. The output voltage can then be control by either the PWM duty cycle or by a voltage reference constructed inside the controller.

In summary, the RT8115AZQW is a highly integrated DC-DC switching regulator and PWM controller. It offers a wide range of features including wide input voltage range, low quiescent current, high efficiency, thermally-protected and high Current outputs, configurable frequency mode control, synchronizable PWM mode control, overvoltage protection, and power-save features. Additionally, its working principle centers around its PWM controller and its power stages.

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