RT8251GQW

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

PMIC - Voltage Regulators - DC DC Switching Regulators

The RT8251GQW is a high-efficiency, monolithic power management integrated circuit (PMIC) with a DC-DC switching regulator, a LDOs (Low Dropout Regulators) and other features. The RT8251GQW is integrated with 3 channels of buck DC-DC switching regulators and allows to achieve high efficiency and low noise over a broad input voltage range. It is designed to provide flexible power solutions for a wide range of applications.

Application Field

The RT8251GQW is suitable for a wide range of applications such as mobile phone, tablet, and multimedia player. It can also be used in other portable devices. Its features such as low power consumption, high efficiency, low noise and high current output make it particularly suitable for battery operated portable devices. RT8251GQW is also applied to provide power solutions with telecom or data communications systems.

Working Principle

The RT8251GQW is designed to provide DC-DC power solutions with high efficiency and low noise. It consists of three channels of buck DC-DC switching regulators and two LDOs (Low Dropout Regulators) which can provide power to multiple different parts of an electronic device. The RT8251GQW supports many different switching frequencies, ranging from 300KHz to 2.4MHz, that can be adjusted according to the load and input current level to minimize noise and maximize efficiency. The RT8251GQW has soft-start, discontinuous conduction mode, over-current protection and short circuit protection functions for various power output levels, providing a safe and reliable power supply to the system.

The RT8251GQW also contains a unique task scheduler that can schedule the start-up sequence of the multiple DC-DC converters and the output voltage of each converter. This feature not only allows for more efficient power conversion, but also for effective control over power sequencing, which is important in order to prevent unexpected power-up phenomena. The RT8251GQW circuit also provides temperature sensing, over-voltage protection, and output voltage trimming features.

Overall, the RT8251GQW is a great example of a DC-DC switching regulator that offers high efficiency, low noise, and a wide range of applications most especially in mobile and portable devices. With its integrated features, it ensures a safe and reliable power supply for various electrical and electronic devices.

The specific data is subject to PDF, and the above content is for reference