RT9035-18GQW

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When considering powering a device or system, a linear voltage regulator is often the best solution to keep a steady flow of power and maintain system longevity. The Richtek RT9035-18GQW linear voltage regulator is specifically designed with a wide input voltage range, high-side current sensing, and a low power mode to achieve low power standby and a high level of system efficiency. This makes it a reliable option for a range of applications, from consumer electronics and communication devices to medical devices and industrial systems.

Features of the RT9035-18GQW Linear Voltage Regulator

The RT9035-18GQW is an advanced linear voltage regulator manufactured by Richtek. The device is designed to handle 18V, 2A at a maximum efficiency of 90%. It also features a wide 4.75V to 18V input voltage range and includes current sensing with paralleled P-channel MOSFETs for pinpoint accuracy of output current. Its minimum dropout voltage is just 1.1V and its thermal shutdown circuitry prevents it from operating outside of its safe temperature range. The device also features an adjustable sequence timer and an input over-voltage protection circuit.

The RT9035-18GQW also features a superior low power shutdown mode that allows it to achieve low power standby while still maintaining high efficiency. This is achieved by the device’s low quiescent current of 30µA and 0.1µA of shutdown current. It also features an EN/EN2 pin that allows the user to select an output voltage of 1.2V to 9V. In addition, the device also has an adjustable over-voltage protection circuit with a reference voltage adjustable range of 0.7V to 5.5V.

Applications of the RT9035-18GQW Linear Voltage Regulator

The RT9035-18GQW linear voltage regulator is designed for a broad range of applications, such as consumer electronics, communication devices, and medical devices. The device also has numerous uses in industrial control and automation applications, including powering air compressors, electric motors, and other industrial equipment. In addition, the device is also perfect for powering cameras, drones, and other imaging technology.

Working Principle of the RT9035-18GQW Linear Voltage Regulator

The RT9035-18GQW linear voltage regulator is a voltage controlled regulator with a linear topology. The device works by using an adjustable reference voltage which is compared to the actual output voltage. The reference voltage is then used to control the output voltage, ensuring that it remains within a specified range. The device also includes current sensing for accurate output current regulation. This ensures that the device can maintain a stable load current even when varying input voltages are applied.

The RT9035-18GQW linear voltage regulator also features high-side current sensing, which allows the device to accurately measure and regulate current, even when the output voltage is changed. This makes it ideal for applications with varying voltages and amperages. The device also features a low quiescent current of 30µA and 0.1µA of shutdown current, allowing it to achieve low power standby while still maintaining high efficiency.

Conclusion

The Richtek RT9035-18GQW linear voltage regulator is an advanced yet reliable solution for powering a range of applications. The device includes a wide input voltage range, high-side current sensing, and a low power mode for low power standby, making it an efficient and reliable power source for consumer electronics and communication devices, medical devices, and industrial systems. Understanding the working principle and applications of the device will help ensure the longevity and performance of the device in any given system.

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