LTC3789EGN#PBF

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The LTC3789EGN#PBF is a high performance monolithic dual Synchronous step-down Switching Controller with integrated high and low-side MOSFET drivers. It is designed to deliver an optimized high frequency solution for efficiently converting higher voltage sources to lower voltages, while providing robust ratings and features. With its internal high-side and low-side drivers, the LTC3789EGN#PBF simplifies the design of high current and reliable power distribution applications aimed at delivering the lowest possible cost and space requirements with maximum efficiency. The LTC3789EGN#PBF is a PMIC - Voltage Regulators - DC DC Switching Controllers device and is managed by the PWM control logic which provides an optimized regulation under an adjustable switching frequency from 200kHz up to 2MHz. The LTC3789EGN#PBF also offers dynamic phase-, frequency and current-mode control to support synchronous rectification, and an optimized phase-shift skippering for high efficiency across an intermediate load range. In addition, this switching controller can also operate in diode-emulation and critical conduction mode operation. This device includes several advanced features that ensure safety, such as thermal shutdown, overvoltage protection (OVP) and hiccup-mode overcurrent protection (OCP). The LTC3789EGN#PBF typical application field mainly comprises systems which require high current step-down regulation on battery-supplied systems and automotive load dump protection, although other, similar current regulation and power conversion applications can also benefit from its features.The LTC3789EGN#PBF is with an integrated high-side and low-side MOSFET drivers, an advanced control scheme and several protection features, making it a suitable device for a variety of high current voltage conversion designs.Its main component, the FET driver, is based on a patented high-frequency bipolar current pump architecture that provides very low drive losses, along with a low turn-on delay, and very low jitter. It has also been designed with high timing accuracy in mind, and its high frequency operation allows for fast response times and improved noise immunities.One of the most important features of the LTC3789EGN#PBF is the synchronization capability, which allows for operation at the same frequencies as the system sync signal and ensures that the converter does not experience any phase error.The Synchronous Dual Synchronous Step-down Switching Controller with integrated high-side and low-side MOSFET drivers also offer advanced features like programmable overvoltage protection, cycle-by-cycle overcurrent protection and thermal shutdown.The LTC3789EGN#PBF can be used in a variety of applications, such as battery charging, bulk DC-DC conversion and AC-DC conversion, with most of these applications relying on its ability to provide high current step-down regulation.In conclusion, the LTC3789EGN#PBF is a high-performance monolithic dual synchronous step-down switching controller with integrated high-side and low-side MOSFET drivers. It is very versatile and can provide efficient power conversion for high current, low voltage applications. Its advanced features offer superior safety and reliability, making it a great choice for applications requiring high current DC-DC conversion.

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