LT3640EFE#PBF

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The LT3640EFE#PBF is a synchronous step-down DC/DC switching regulator that can be used in a variety of applications. This regulator is a monolithic switching regulator with two integrated synchronous power switches, one of which is a 400V/15A switch. It also includes a high frequency multiphase PWM controller and both two or four current-mode operating modes. It has a built-in adjustable over-voltage protected and a wide input voltage range.

This step-down switching regulator provides up to 15A of continuous output current. The LT3640EFE#PBF features a low minimum input voltage and wide output voltage range, with a true current sensing and current limit circuit. The flexibility of the LT3640EFE#PBF allows it to be used in a variety of applications, from power decomposition and conversion in servers to portable electronic devices.

The LT3640EFE#PBF is particularly well-suited for applications such as single-cell Li-Ion battery chargers and power supplies with integrated power switches and current-mode control. With its high frequency 2-phase PWM controller and controlled turn-off of the switches within the device, it can provide efficient operation down to light load currents. Additionally, its internal current sensing resistor allows precision current limiting and easy programming of the output current versus load current.

This magnetic-based synchronous converter provides an efficient and flexible solution for applications that require high efficiency and low component count. The current mode architecture improves dynamic response and operating frequency while providing a low noise, low ripple output. This switching regulator also helps to minimize component count and board space to reduce the overall cost of the system.

The LT3640EFE#PBF application field and working principle makes it the ideal solution in a variety of DC/DC applications, such as automotive and industrial, server, computer and communications systems, portable electronic devices, and battery-based systems. It is a complete synchronous buck regulator specifically designed for high output current and maximum efficiency with minimum external component count.

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