XC9235A30DMR-G

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XC9235A30DMR-G Application Field and Working Principle

The XC9235A30DMR-G is a DC/DC switching regulator that provides a high power density and integrated power management solution. This regulator operates using an adjustable voltage range between 1.25V and 5.5V, with a maximum current output of 30A. The XC9235A30DMR-G features a very efficient active clamping technique, which reduces energy loss and contributes to improved system circuit efficiency.

The XC9235A30DMR-G is suitable for use in a variety of applications, including servers, routers and switches, data storage, automotive and industrial applications. It is designed to meet the demanding needs of today’s portable and low voltage systems, allowing for a very compact power solution.

The XC9235A30DMR-G operates on a 5-phase synchronous buck regulator system, in which four high-efficiency MOSFETs are used to control the output voltage. A total of five MOSFETs are used in the regulator, with each MOSFET connected to two pins of the XC9235A30DMR-G chip. The fifth MOSFET is used as an active clamp, to reduce energy loss during operation.

The XC9235A30DMR-G uses duty cycle control to ensure the adjustable output voltage is remain stable. When the duty cycle changes with the input voltage, the regulator automatically compensates the duty cycle until the output voltage is brought back to the desired level. This process is handled by the regulator’s on-chip control circuitry, allowing for fast and accurate regulation.

The XC9235A30DMR-G also features a variety of protection features, including an active overvoltage protection (AOP) circuit, an output current limiter and an adaptive soft-start circuit. The AOP circuit ensures the output voltage does not exceed a predetermined level, while the output current limiter prevents overloading the device. The adaptive soft-start circuit limits the inrush current at startup, protecting the load from potential damage.

Overall, the XC9235A30DMR-G is an ideal regulator for efficient and reliable power management applications. It offers a high power density, excellent efficiency and a variety of protection features to ensure reliable operation. This regulator is suitable for a wide range of applications, from automotive to industrial applications.

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