LM3673TL-1.5EV

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The LM3673TL-1.5EV is one of the most popular evaluation boards from Texas Instruments. It is classified under “Evaluation Boards - DC/DC & AC/DC (Off-Line) SMPS” and can be used for a variety of applications. In this article, we will explore the application field and working principle of the LM3673TL-1.5EV board.The LM3673TL-1.5EV is a buck converter used to convert higher voltage to lower. It is generally used to convert a DC voltage of 3.5V to 1.8V. The board can provide up to 1.5A of output current with a space-saving 16-lead QSOP package. This board is an ideal solution for the various applications such as ASICs, DSPs, and logic platforms.The board features a wide input voltage range of 2.9V to 5.5V and programmable switching frequency up to 1.2MHz. The board also features adjustable soft-start time, low external component count, wide output voltage range, multiple fixed-frequency settings, pulse-skipping operation, low-dropout operation, and protection from transient overload events.The LM3673TL-1.5EV board is designed with four main components, a switching regulator, a mains transformer, an output filter, and a controller. The switching regulator is a DC-DC buck converter, utilized to regulate the input voltage down to the desired output voltage. The mains transformer is used to step up the input voltage from the mains to the desired voltage. The output filter is then used to ensure that the noise generated by the switching regulator and the mains transformer, is minimized. Finally, the controller is used to monitor and regulate the operation of the buck converter, as well as provide protection against transient events.The board also comes with a number of features such as programmable output voltage to match the application requirements, programmable frequency, as well as adjustable soft-start time. The adjustable soft-start time helps reduce stress to the board components, while the programmable frequency allows for greater efficiency.To sum up, the LM3673TL-1.5EV board can be used for a variety of applications due to its wide input voltage range, adjustable soft-start time, low external component count, wide output voltage range, multiple fixed-frequency settings, and more. Moreover, it is an ideal solution for applications such as ASICs, DSPs, and logic platforms.

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