RT6219BHGQW

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The RT6219BHGQW is a DC/DC switch regulator, part of a family of power management ICs used to regulate the power supplied to various systems. It is used to provide a clean and stable voltage to a system under varying input conditions. This type of regulators makes sure that voltage output is constant, making it easier to achieve the desired performance in a system.

The RT6219BHGQW is a high efficiency, high power, high current, DC/DC switching regulator. It has a wide input range of 7V to 28V and output voltages of 0.6V to 5V. This device is specifically designed to be used in industrial, computing, and telecom applications. It has built-in current limit, over-temperature protection, short circuit protection, and under-voltage lockout.

The RT6219BHGQW is a synchronous step-down DC/DC switching regulator, featuring constant frequency current mode control for excellent line and load regulation. The device operates at a fixed frequency of 2.4MHz and provides up to 2A of output current. It also features a wide input voltage range, low current consumption in standby modes, low RDS(ON) of MOSFET switches, and excellent thermal performance.

The RT6219BHGQW is a single output, wide input, constant frequency synchronous step-down switching regulator. It has an on-board shunt amplifier to detect the input voltage, enabling the device to support input voltage ranges of 7V to 28V. It also features an operating temperature range of 40°C to +125°C, making it suitable for a wide range of applications and operating environments.

The RT6219BHGQW’s operating principle is based on synchronous rectification and constant frequency current mode control. It uses a PWM comparator to compare the current sensed by the shunt amplifier to the internal reference voltage. The error signal from the comparator is used to drive the internal switching MOSFET switches. When the voltage at the shunt amplifier is lower than the reference voltage, the MOSFET switches are switched on, allowing current to flow through the inductor, providing the output voltage. The switching MOSFET switches are switched off when the voltage is higher than the reference voltage, thereby cutting off the current, thus controlling the output voltage.

The RT6219BHGQW is an ideal choice when design engineers seek an efficient and cost-effective DC/DC regulator, as it offers high efficiency, low ripple, wide input and output voltage ranges, high power, and low internal switching noise. With its low RDS(ON) of MOSFETs, excellent thermal performance, and wide temperature range, the RT6219BHGQW is suitable for a range of industrial, computing, and telecom applications. It can also be used in systems where a wide input range and high efficiency is required.

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