RT2853BLGQW Integrated Circuits (ICs)

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The RT2853BLGQW is an integrated voltage regulator in the family of DC-DC switching regulators. It is widely used for applications that require high efficiency and wide input voltage range. The device incorporates an externally adjustable switching controller, an output regulator, and a power switch.

The integrated feedback voltage line features the minimum feedback voltage of 1.4V, and the maximum of 5.3V. It is designed to operate from 4.5V to 16V. The maximum output current up to 4A is delivery at very stable voltage and currents. The total power dissipation at full load is 13W.

The RT2853BLGQW has a high integration of peripherals, including soft-start circuits, voltage and current detectors, thermal protection, differential remote voltage sensing, short-circuit protection, over temperature and over voltage protection, and over current protection.

The working principle of the RT2853BLGQW is to sense the input voltage and current, using the feedback voltage line. The feedback voltage line is adjusted to the desired output voltage set point, and the power switch is driven accordingly. The integrated controller ensures constant output based on the feedback voltage set point, and regulates the output voltage within the desired output voltage range. The voltage regulation is achieved by driving the power switch with pulse width modulation (PWM), resulting in a higher efficiency and more stable output. The output is then directed through the MOSFET driver and the power MOSFET.

The DC-DC switching regulator is used in a wide range of applications, such as consumer and industrial products, lighting, medical devices, power supplies, server and telecommunication systems. It is also used for automotive, solar energy and power solutions for battery-powered, portable and mobile devices.

The RT2853BLGQW is a very efficient and reliable DC-DC switching regulator that provides the high output voltage and current required for various applications. It is designed to be used in wide range of temperature environments, and features robust protection features for maximum reliability. It is an ideal solution for applications that require high efficiency, wide input range and high output current.

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