LX1665ACN

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The LX1665ACN is a special purpose voltage regulator which has a variety of applications in power management and other related functions. This voltage regulator is designed to provide regulated voltage and current, while also providing robust EMI/EMC filtering features, making it an ideal choice for many device power management applications. In this article, we will discuss the application field and working principle of the LX1665ACN.

Application field

The LX1665ACN is a general purpose voltage regulator optimized for a variety of power management applications. It is primarily used in NVME, memory, FPGA, embedded systems and other devices which require a robust voltage regulation and current sources. This voltage regulator is ideal for high-current, low-noise applications, and can provide a total output power of up to 100W.

Additionally, the LX1665ACN is designed to provide output voltage with high accuracy even under a variety of environmental conditions. This voltage regulator also provides excellent noise immunity and EMI/EMC filtering, making it an ideal choice for high-performance applications. It is also compliant with RoHS and Pb-Free standards.

Working principle

The LX1665ACN is a monolithic switching controller, featuring a unique control architecture enabling the voltage regulation loop of the device. This voltage regulator supports multiple operating modes, such as fixed and adjustable voltage set-points, standby, soft-start and dynamic stand-by modes. It also has an on-chip power supply for startup and dynamic flag support.

The LX1665ACN also provides a wide input voltage (Vin) range and low quiescent current modes with low variation in current and voltage output, allowing for a reliable and efficient power supply design. Additionally, it features temperature protection, over voltage, over current, short circuit, over temperature protection and brown-out protection, making it suitable for a wide variety of applications.

Furthermore, the voltage regulator uses a feedback control loop with integrated current limit circuitry, allowing for accurate and fast response. The LX1665ACN is optimized for low energy losses, allowing for improved system efficiency. Additionally, the device integrates a frequency cycle-by-cycle current limit circuit, output under-voltage protection, and power-sense circuit, providing robust protection for the outputs.

In conclusion, the LX1665ACN is a special purpose voltage regulator optimized for a variety of power management applications, providing accurate output voltage and current, with robust EMI/EMC filtering features. It is also compliant with RoHS and Pb-Free standards, making it an ideal choice for many device power management applications.

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