LM25145RGYR

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LM25145RGYR is a part of the Power Management Integrated Circuit (PMIC) family, specifically a DC DC Switching Controller. The device is a high voltage, synchronous, step-up regulator with integrated fault protection features. It is designed to provide up to 10A of continuous current, adjustable operating frequency, and adjustable/fixed-mode. It offers a high conversion efficiency, and is ideal for battery charging, industrial, and automotive applications.

The application field of LM25145RGYR is mainly in the power management and control, battery charging, and motor control. The device provides up to 10A of continuous output in both adjustable and fixed-mode. With fixed-mode, the user can set the voltages and frequencies; for adjustable-mode, a user controlled on/off control input is used to adjust the output up to 16V.

The working principle of LM25145RGYR is based on synchronous rectification. The power stage consists of a high voltage N-channel and P-channel MOSFET, configured as a synchronous rectifier. The MOSFETs switch in pairs, and regulate the output voltage. The integrated fault protection features enable overcurrent, overvoltage, and undervoltage protection, as well as thermal shutdown. These protection features ensure a reliable, safe, and efficient regulation of the output voltage.

The control section of the device is designed to provide a high degree of flexibility. The device is equipped with an internal voltage reference, and its programmable operating frequency range is from 100 kHz to 500 kHz. The voltage loop is internally compensated and its output voltage can be adjusted to almost any value within the regulation limits.

In summary, LM25145RGYR is an efficient and robust PMIC device for DC DC switching control applications. It is equipped with advanced features such as integrated fault protection, adjustable operating frequency, adjustable/fixed mode, and programmable output voltage. Furthermore, the device is suitable for battery charging, industrial, and automotive applications.

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