LTC3855EUJ

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The LTC3855EUJ is one of the most advanced DC-DC switching controllers available in the market today. It is designed to meet industrial and commercial electrical requirements, providing a high level of power conversion efficiency with low noise operation.The controller is based on the advanced multi-phase buck topology, and features a built-in 38V synchronous rectifier. The output voltage can be adjusted with 1V resolution to up to 48V, making it suitable for a wide range of applications.

The controller features a wide input voltage range of 3V – 42V, making it applicable in applications where similar DC-DC switching controllers are not able to provide the same performance. It has a fast clock-driven switching frequency that can be adjusted from 200kHz to 550kHz, enabling a higher number of conversion stages in multiphase applications. The LTC3855EUJ also has an integrated output filter for a low noise operation.

The controller presents an array of integrated and seamless protections, including cycle-by-cycle current limit and VCC over-voltage and under-voltage. Programmable soft-start and hiccup output short-circuit protection are available, too. External sense resistors can be used to improve the current-limit accuracy and reduce output voltage ripple, while boosting efficiency and reliability in open-loop systems.

In addition, the LTC3855EUJ controller features integrated oscillator PWM emulation and voltage-mode operations and can accept a resistor between the PWRGD output and the VDRV pin to configure a fixed output voltage. It also offers Burst Mode I2C interface with various writeable registers and allows the user to read various parameters including output voltage, switching and crossing frequency, inductor current and output voltage ripple.

The LTC3855EUJ is capable of switching frequencies up to 550kHz and is suitable for a wide range of applications including non-isolated DC-DC converters, telecom and telecom-derived applications, and industrial, automotive and consumer end-uses. Additionally, due to its integrated protection features and robustness, it is an excellent choice for applications with severe and complex power demands.

The LTC3855EUJ DC-DC switching controller integrates all the necessary elements for a high performance and efficient power conversion. It features a wide input voltage range, fast clock-driven switching frequency, integrated output filter, programmable soft-start, hiccup output short-circuit protection, and Burst Mode I2C interface. It is ideal for applications with severe and complex power demands and offers excellent efficiency and low noise performance.

The specific data is subject to PDF, and the above content is for reference