LTC3735EUHF#TRPBF

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The LTC3735EUHF#TRPBF (3735EUHF) is a highly integrated special purpose voltage regulator from the renowned PMIC – Voltage Regulators – Special Purpose family. The chip is designed for compact, power intensive applications, like Notebook and Server motherboards. It comes in an easy-to-use, ultra-small, low-profile QFN package.

The LTC3735EUHF is a “field-programmable” Fan-in, Fan-out controller, allowing for up to seven independent “rail-splitting” fans to be connected to create a fully isolated power supply. The control logic is programmable and configuration settings can be adjusted through a serial interface. The 3735EUHF incorporates both a 400 mA LXDC output voltage regulator and an adjustable 0.3 A to 1.3 A configurable output voltage regulator.

The LTC3735EUHF comes with an onboard interrupt controller which allows for dynamic control of the input voltage and output voltage. This enables intelligent, energy efficient power conversion by providing for temperatures, voltages and other indicators to be monitored in real time. Additional features include over-current protection, pre-charge current source, auxiliary voltage source, active voltage coming routing, and on-chip soft-start.

The primary application field of the 3735EUHF is within power supplies. It is used to regulate the output of switched-mode power supplies in server motherboards, notebooks and other devices. The 3735EUHF is especially suitable for applications which require high current, high efficiency and intelligent power conversion. Its flexibility makes it suitable for development of single- and multi-rail power supplies.

At the core of the LTC3735EUHF is its working principle. The controller accepts an input power supply and uses internal control logic to regulate the output. The controller is pre-programmed with configuration parameters that allow it to adjust the output voltage based on user-selected limits. The on-chip interrupt controller operates in the background, continuously monitoring system parameters and dynamically adjusting the output voltage to optimize power efficiency. Additionally, the controller can be configured to use advanced power saving modes.

The LTC3735EUHF offers outstanding performance for its application field. Its working principle is simple yet powerful, allowing for reduced design complexity, small footprint and excellent power efficiency. For applications requiring high accuracy, its configurable output voltage range from 0.3A to 1.3A provides excellent stability. The fan-out capability allows for advanced power management, efficiently distributing power from the input source. With its ultra-small package and excellent reliability, the LTC3735EUHF is an ideal solution for power-intensive applications.

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