LTC3806EDE#TRPBF

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The LTC3806EDE#TRPBF is a highly integrated, high performance dc-to-dc switching voltage regulator/controller specifically designed for point-of-load (POL) applications. The LTC3806EDE#TRPBF is a dual phase synchronous step-down converter that can deliver up to 6 A of load current with a wide input voltage range of 4.5 V to 30 V. It integrates two channels with phase interleaving and current sharing, making it ideal for applications that need to deliver power at high levels of efficiency. Operation is controlled via an external voltage or current-mode control signal, and an onboard regulator senses the output voltage to provide power loop control. The device also contains integrated switches for both channels, an adjustable integrated gate driver, an adjustable current sense circuit, an adjustable soft-start circuit, and programmable functions via a serial interface.

The LTC3806EDE#TRPBF is ideal for applications in which power has to be delivered at high levels of efficiency while also offering low quiescent current, high power conversion efficiencies, and low ripple. Additionally, its synchronous architecture ensures an ultra-low shutdown current. It is designed for use in a wide range of applications, including battery-powered programs, automotive systems, cellular base stations, computer and processor power supplies, and telecom point of load (POL) systems. This makes it an ideal choice for applications such as high-end gaming consoles, servers, and routers.

The LTC3806EDE#TRPBF features a variety of features to ensure maximum system performance and reliability. It features a wide input voltage range of 4.5 V to 30 V, allowing it to be used with a wide range of supplies. It also features a programmable output voltage range of 0.8 V to 5.0 V. This range is wide enough to accommodate a variety of dc-to-dc conversion circuits. The device also supports configurable current limit, hiccup mode, and adjustable soft start. In addition, it contains a narrow voltage loop bandwidth and a precision enable pin that can be used to control enable and disable functions.

At the heart of the LTC3806EDE#TRPBF is its synchronous switching voltage regulation circuit. This consists of two channels—an internal, synchronous rectifier using N-channel MOSFETs and an external synchronous switch. Each pulse-width modulated (PWM) channel has a constant frequency of between 100 kHz up to 4 MHz, depending on the external clock used. Together, these channels provide extremely efficient, ripple-free power delivery with high power conversion efficiency, enabling the LTC3806EDE#TRPBF to deliver up to 6 A of current at full load.

The LTC3806EDE#TRPBF also features integrated fault detect and protection features. These include short-circuit protection, overvoltage protection, overload protection, and output undervoltage protection. In the event of a fault, it is capable of detecting these conditions and responding accordingly by halting the output. The device also contains a thermal shutdown circuit that reduces the output voltage when the junction temperature becomes too high to ensure reliable operation.

In summary, the LTC3806EDE#TRPBF is a highly integrated dc-to-dc switching voltage regulator/controller specifically designed for point-of-load applications. Its dual phase synchronous step-down converters can deliver up to 6 A of load current with a wide input voltage range of 4.5 V to 30 V. It features an external voltage or current-mode control signal, an adjustable integrated gate driver, an adjustable current sense circuit, and a serial interface for programmable functions. Its highly efficient synchronous architecture ensures an ultra-low shutdown current. With its integrated fault detect and protection features, the LTC3806EDE#TRPBF is an ideal choice for applications such as high-end gaming consoles, servers, and routers.

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