IRU3146CFTR

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IRU3146CFTR is a highly integrated PMIC switching regulator controller from ROHM Semiconductor that is specifically designed to power the 5V lines in the system. This device can provide a regulated output voltage range of 0.9V to 5.5V, to match the typical output needs of the system. It can support a wide range of input voltage ranges of 2.5V to 5.5V. IRU3146CFTR utilizes a synchronous step-down topology along with critical control elements such as digital, analog and smart power-saving technologies. The device is highly efficient with a power conversion efficiency above 95%. This makes it ideal for applications such as Point-of-Load (PoL) in computing, servers and storage systems.

The IRU3146CFTR provides a wide range of protection features such as over-voltage protection, under-voltage protection, current limit protection and thermal shutdown protection. All these features are designed to protect the system from any possible damage due to an over current, over-temperature or other fault conditions.

One of the key features that make this switching regulator controller unique is its programmability. The IRU3146CFTR has a built-in digital engine that allows for programmable features such as the on-time and off-time settings, the switching frequency and the slew rate control. This makes it easy to customize the performance of the device to the specific needs of the application. It also allows for dynamic power saving modes such as power-down, sleep and stand-by modes, which can help to reduce power consumption and maximize system efficiency.

The IRU3146CFTR can be configured to operate in PWM, pulse frequency modulation (PFM) and hysteretic modes. These different operating modes enable designers to choose the most suitable mode for their particular application. This can help to achieve a more efficient and reliable operation.

In addition to its digital feature set, the IRU3146CFTR also has integrated analog protection. This includes an integrated thermal protection circuit and over-current protection circuit. These two features are designed to provide system protection in the event of any undesired fault conditions. The integrated thermal protection circuit detects any over-temperature conditions that may occur during operation and shuts down the system to protect it from damage. The over-current protection circuit shuts off the system if it senses a high current draw that could potentially cause damage to the system.

The IRU3146CFTR is an ideal controller for high-voltage applications, such as those found in computing, servers and storage systems. It offers programmable features, wide input voltage range, and integrated protection features, making it a great choice for designers looking for a high-performance, reliable controller.

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