LM25017MRFBEVM

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LM25017MRFBEVM is an evaluation module from Texas Instruments and is designed to evaluate and demonstrate the LM25017M synchronous boost converter. This device is part of the DC/DC and AC/DC (Off-Line) SMPS evaluation boards, which are designed to provide reliable and robust power solutions. The LM25017MRFBEVM has a wide range of applications, including powering LED lighting, smartphones, tablets and other portable electronic devices.

The LM25017MRFBEVM is a high-performance energy-efficient switching power supply designed to both step-up (boost) and step-down (buck) a voltage. It uses two distinct operating modes, the synchronous boost mode and the discontinuous conduction mode (DCM). The synchronous boost mode allows the LM25017MRFBEVM to achieve up to 95% efficiency across the whole operating range, while the DCM mode enables the other 95% efficiency, whereas during light load operation. Additionally, it provides superior load-transient performance due to its synchronous rectifier driver design.

The LM25017MRFBEVM allows users to quickly evaluate the performance of the LM25017M by providing an adjustable control voltage through its on-board voltage divider. This control voltage may be used to control the voltage output, duty cycle, or switch mode frequency. The on-board divider can be adjusted to provide a high-frequency operating mode of up to 3.1MHz and a low-frequency operating mode of up to 375kHz.

In addition, LM25017MRFBEVM offers protection features such as thermal shutdown, programmable under-voltage lockout and over-current protection. It also integrates supporting circuitry such as power-good and fault comparators to simplify the design process. The evaluation board also includes a power supply inductor, an output capacitor and a printed circuit board (PCB).

The LM25017MRFBEVM features a wide input voltage range of 4.5V to 36V and a wide output voltage range of 1.2V to 25V, adjustable through the adjustable voltage divider. Furthermore, it provides a high-efficiency power converter utilizing a low-cost external inductor. It is designed for non-isolated design, and is capable of providing up to 5A of output current.

In conclusion, the LM25017MRFBEVM is a useful evaluation tool that can be used to evaluate and demonstrate the performance of the LM25017M Synchronous Boost Converter. It provides a reliable, robust and high-efficiency power solution, with ultra-wide operating voltage range, sets of protection features, and adjustable voltage divider for easy evaluation.

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