LTC3872ETS8#TRMPBF

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LTC3872ETS8#TRMPBF is a high-performance integrated circuit from Texas Instruments and is part of their PMIC - Voltage Regulators - DC DC Switching Controllers family of products, which target applications such as easy-to-use Point-of-Loads, non-isolated voltage regulators and other switching buck controllers.

The device has an advanced, dual-mode step-down topology offering fast transient response and excellent load and line regulation. It is capable of output current of up to 10A and also includes adjustable current limit and thermal protection.

The LTC3872 is an adjustable voltage-mode switching regulator with a PWM frequency up to 900kHz, providing two possible operation modes: "voltage mode" and "automatic pulse-skipping mode". These two operation modes ensure the device can efficiently operate under light and heavy load conditions.

In “voltage mode” operation, the LTC3872 converters provide continuous current throughout each switching cycle. This mode of operation is predominantly used for systems that require high levels of ripple current. The “automatic pulse-skipping mode” helps conserve energy when light loads are present, greatly increasing the total efficiency as well as light load efficiency. This mode starts automatically when a variable number of light load cycles are detected and when current consumption is below the set maximum.

In addition to bringing efficient performance, the LTC3872 also brings convenience. It features a selectable soft-start profile, which can be programmed externally, allowing easy implementation of startup profiles that are tailored to the application’s needs. Furthermore, there is thermal foldback protection, which protects the device from excessive temperatures and current usage.

The device has extensive fault protection and reporting capabilities including over-voltage protection, under-voltage protection and over-temperature protection as well as programmable current limit and hiccup mode fault protection. The device also reports FAULT conditions by signaling off a dedicated pin.

The LTC3872ETS8#TRMPBF promises to be a strong contender in the market when it comes to efficient and reliable DC power supplies. It is easy to use, provides superior performance and is even protected from thermal and current over-use.

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