RT8862GQW

Series:	*
Part Status:	Last Time Buy

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Introduction

The RT8862GQW is a single channel, integrated, high-efficiency, fixed frequency, DC-DC step down switching controller, which features low operating current, low voltage operation, and optimal efficiency across load. It is an ideal solution for reducing the cost, size and complexity of DC-DC power supply design. By controlling the external MOSFET, it can effectively regulate the output voltage and current to accurately cover popular standards such as USB and Li-Ion battery.

Application Field

The RT8862GQW is mainly used in mobile finite storage, such as mobile phones, digital camera, tablets and other handheld devices. It is also widely used in various AC/DC converter solutions. For example, high power LED driver, USB charger and adapter, and any other bidirectional switch.

Working Principle

The RT8862GQW works by controlling a high-side MOSFET connected to the input source, and a low-side MOSFET connected to the load. This allows it to step down the input voltage to the appropriate level for the load. The on-time and off-time of the device are synchronized with the internal high-speed oscillator. By controlling the switching times, it can efficiently switch the voltage from high- voltage to low- voltage. It also features a soft start and auto shut down functions to ensure the device is safe from over load.

Features

The RT8862GQW has many features to make it easier to use. It has an adjustable operating frequency, adjustable current limit and adjustable over voltage protection. It also supports pulse skipping mode and forced PWM mode for better efficiency. It also integrates an internal slope compensation, SOVP (Soft Over Voltage Protection), and an STP pin to adjust the switching threshold. Furthermore, it supports both FAC (Fault-And-Clock) and FOC (Forward-And-Clock) fault recovery behaviour.

Advantages

The RT8862GQW provides many advantages over discrete solutions. It is a single-channel device that reduces the system size and cost. It offers a wide voltage input range to cover a variety of power sources. It also offers high efficiency, low noise and low operating current. The RT8862GQW provides high accuracy in output voltage regulation and is highly reliable. The built-in fast slew rate improves performance and contributes to high reliability. With time-proven hardware designs, built-in protective features, ease of use and cost advantages, the RT8862GQW is an ideal solution for DC-DC switching and voltage regulation.

Conclusion

The RT8862GQW is an ideal device for DC-DC switching and voltage regulation. This integrated device can provide efficient, accurate, and reliable performance while reducing the size and cost of the system. It is suitable for a variety of applications, such as mobile and handheld devices, LED drivers, USB chargers, adapters and any other bidirectional switch. With its wide range of features and advantages, the RT8862GQW is the ideal choice for power conversion needs.

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