RT8086BGQUF

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PMIC - Voltage Regulators - DC DC Switching Regulators

The RT8086BGQUF is a type of DC DC switching regulator, which is typically found within a Point of Load (POL) regulation circuit. Generally, it is used in applications where there is a need for multiple Point of Load (POL) converters. This DC DC switching regulator is capable of providing adjustable and extremely effective output voltages that can range from various input voltages.

The RT8086BGQUF has a multi-mode controller that allows switching frequencies between 256kHz to 1.6MHz. This range of operating frequencies makes this device ideal for applications that require higher Pol frequency levels such as FPGA and microprocessor core power. Also, the RT8086BGQUF has a maximum output current of 5A and a maximum output voltage of 5V.

Application Field

The RT8086BGQUF is used in many different applications due to its high-efficiency and high-power design. It can be used for notebook, server and desktop applications and is ideal for providing power to systems with high-performance needs. Additionally, it can be used in industrial power systems such as robot controllers, electronic games and medical equipment.

This DC DC switching regulator is also used in power communications systems. For example, it can be used to power telecom transceivers, radio base stations and mobile phones. Lastly, it can be used in a wide range of data center applications as well as portable computing products such as laptops, Netbooks and tablets.

Working Principle

The RT8086BGQUF uses a Multi-Mode Constant On-Time (MM-COT) control architecture in order to regulate the output voltage of its load. This type of control architecture ensures a fast and accurate response to changing load requirements. The MM-COT architecture also provides superior power conversion efficiency as it can reduce switching losses and provide tighter voltage regulation across the load. The RT8086BGQUF also offers programmable soft-start and programmable inrush current limit for faster start-up times and improved system stability when compared to traditional linear regulators.

The design of the RT8086BGQUF includes a current-mode based phase lock loop (PLL) frequency converter. This PLL converter is used to generate a hysteretic output voltage that is proportional to the input voltage. In addition, the current-mode control architecture provides a stay-in-regulation power supply by utilizing a voltage mode control loop. This voltage mode control loop ensures that the output voltage remains stable in the presence of dynamic loads.

To protect the RT8086BGQUF from excessive currents and temperatures, the device includes a comprehensive set of safety features. It comes with overcurrent protection, which senses the actual current in the output stage, and adjusts the switching frequency to reduce the circulating current within the cycle. The RT8086BGQUF also features thermal protection, which detects over-temperature conditions and cuts-off the current flow within the device to prevent damage. Finally, the device has a built-in soft start to prevent overshoot during the initial turn-on of the load.

Conclusion

The RT8086BGQUF DC DC switching regulator is capable of providing very efficient, reliable and accurate output voltage regulation. With its wide range of operating frequencies, adjustable output voltage and current, as well as its comprehensive set of safety features, the RT8086BGQUF is ideal for many different applications that require Pol regulation. Additionally, its built-in PLL converter provides further efficient voltage regulation and ensures a stable output voltage for dynamic loads.

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