LTC3835EFE#PBF

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The LTC3835EFE#PBF is a multiphase synchronous step-down switching controller specifically developed for high-current, high-output voltage applications such as distributed power architectures or high-current graphics cards in a desktop computer. This integrated circuit is part of Texas Instruments’ Power Management & Interface (PMIC) division, operating as a voltage regulator, or more specifically as a DC-to-DC switching controller.

The main objective of the LTC3835EFE#PBF is to provide an efficient and stable output voltage for any kind of load, regardless of the input voltage that it receives. The output voltage is regulated by adjusting the pulse width of its output switches, which is done with a high accuracy voltage feedback loop. The circuit works in a non-linear fashion to reduce the voltage drop across the switch while providing an output current of up to 75A.

The LTC3835EFE#PBF provides a multitude of features to facilitate system integration, such as differential and remote precision current sensing, a wide operating input voltage range of 6V to 40V, and user-configurable current limit threshold. This device also adds further convenience and safety to operations, such as the built-in thermal error protection and one-time programmable features.

The LTC3835EFE#PBF is very efficient. Its internal MOSFET gate drivers and low quiescent current make it capable of extremely low output-voltage ripple and even allow for efficient operation in burst mode for low power applications. When operating at 5V/75A, it has an efficiency of up to 97 percent and only requires a few external components, making it suitable for high-density applications.

Additionally, the LTC3835EFE#PBF provides a great deal of flexibility in terms of configuration. It can be programmed to vary the output frequencies and the current-limit threshold, as well as support two-phase and three-phase configurations. It also offers up to seven different switching frequencies, adjustable to suit any application.

The LTC3835EFE#PBF is a highly scalable and efficient switching controller with many features and protection to back it up. Equipped with fast over-current, watchdog timer, and over-temperature protection features, it offers high reliability and is well suited for various applications requiring fast-response and accurate input/output voltages.

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