LT3086IR#PBF

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The LT3086IR#PBF belongs to the Low Dropout (LDO) regulators family with linear voltage regulation that has high operating current in a small footprint. This product is an adjustable and low dropout two-terminal linear regulator available in DPAK and TO-263 packages. It uses an advanced BiCMOS process to deliver excellent PSRR allowing operation from 1.2V to 42V input and output voltage from 1.2V to 37V with an output current up to 3A. This regulator is suitable for a wide range of applications such as over-voltage protection, battery charger, DC/DC converters, and power management systems.

The LT3086IR#PBF uses the LDO technology to provide voltage regulation. A LDO is a three-terminal (input, output and ground) linear regulator, which regulates the input voltage by decreasing it slightly based on the dropout voltage. The dropout voltage is a minimum change in the input voltage below which the output cannot be regulated properly. This dropout voltage varies with the kind of load, input voltage, and temperature. The LT3086IR#PBF is able to operate at very light load current and at low voltage with very low dropout voltage at the same time. This keeps the voltage regulator efficiency high, extending the battery life or delivering higher performance or power savings.

The LT3086IR#PBF is applicable for power management in a wide range of industrial, automotive and mobile products. As an adjustable linear voltage regulator, the device can be used for many different applications. It has outstanding performance in medical device, point-of-load regulation, where a combination of high voltage regulation and a low dropout voltage is essential. Wide input and output voltage range makes it suitable for applications such as over-voltage protection, battery charging, DC/DC converters, and power management systems.

The LT3086IR#PBF uses the three-terminal nMOS pass element, with an error amplifier, series pass element, built-in adjustable current limit circuit, over-temperature and over-voltage protection circuits, and a precision reference voltage source. The error amplifier compares the voltage on the output and adjusts the gate voltage of the series pass transistor to regulate the output. It features a typical quiescent current of 2.1mA and a 0.3uA shutdown current.

The LT3086IR#PBF includes protection features for over-voltage, over-temperature, and over-current. The device features an accurate current limit circuit that will protect it from overload conditions. The over-voltage protection circuit will shut down the output when the input voltage is greater than the Vref*2. The thermal shutdown circuit will shut down the device if the junction temperature exceeds the preset threshold. The LT3086IR#PBF is specified for operation over the temperature range of -40°C to +125°C.

In conclusion, the LT3086IR#PBF is a high-accuracy linear voltage regulator featuring low dropout voltage performance. It provides a low quiescent current, low dropout voltage, and can be used in a wide variety of applications. The LT3086IR#PBF also provides protection against over-voltage, over-temperature, and over-current conditions. This device offers a high power savings and is suitable for many applications, such as over-voltage protection, battery charger, DC/DC converters, and power management systems.

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