LM2755TMX/NOPB

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International Rectifier\'s LM2755TMX/NOPB is a high performance dual switching regulator with synchronizing capability, which provides an efficient and effective solution for LED drivers. This product field is classified as the Power Management IC (PMIC) - LED Drivers. It is designed to provide low cost and high integration solutions for LED lighting applications.

The LM2755 switching regulator incorporates two independent channels. Each channel contains a voltage-mode, pulse widthmodulated (PWM) controller, an output rectifier, and a power switch. The LM2755 block diagram is shown in a figure below.

The LM2755 operating principles are simple and straightforward. When the input voltage exceeds the feedback voltage, the feedback voltage is boosted by the regulator and then it is compared to the internal reference voltage. The output is then switched on if the fedback voltage is higher than the internal reference voltage. The output voltage of the regulators is then controlled by the ratio of the two resistors (divider) connected to the FB terminal. The output of each channel is independently adjustable from 0.8V to 5.5V.

The LM2755 provides a wide range of features that enhance system performance and make it ideal for cost effective and space saving solutions for the most demanding LED driver applications. It offers excellent thermal performance and line regulation. In addition, the LM2755 incorporates a power-saving and high efficiency synchronous rectifier technology, allowing designers to achieve lower power consumption and extended battery life.

The LM2755\'s wide input voltage range also makes it suitable for a variety of applications. It accepts inputs of up to 65V, making it suitable for automotive and industrial applications. It also has a built-in features such as over-temperature protection, over-voltage protection, and under-voltage protection. This makes the LM2755 an excellent choice for those seeking a compact, cost effective and rugged solution.

The LM2755 is a versatile and efficient device for driving LED lighting applications. It provides a cost effective and space saving solution, while offering excellent thermal performance, flexibility of output power and improved efficiency. With its wide input voltage range, built-in protection features, and robust, reliable construction, the LM2755 is an ideal solution for most LED lighting needs.

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