LT3080ET#31PBF

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The LT3080ET#31PBF is a low dropout voltage regulator that is able to maintain a regulated output voltage even with very low input voltage. It is one of Linear Technology’s most popular linear regulators and can be used in a wide range of applications. The device features ultra-low dropout voltage, fast transient response, and low noise, making it an ideal choice for a variety of power supply applications.

The LT3080ET#31PBF is a 3-terminal adjustable low dropout (LDO) regulator housed in a 3-Lead TO-220 package with an on-chip thermal shutdown device. It is designed for low voltage DCDC converters, automotive applications, power supplies, and voltage regulation in portable battery-operated applications. The regulator accepts up to 15V of input voltage and delivers up to 6A of continuous output current with a dropout voltage of only 850mV at 6A.

The LT3080ET#31PBF is designed to provide excellent line and load regulation as well as low noise due to its high PSRR of 94dB (at 1kHz). The device also offers a low quiescent current of 600uA, allowing for high efficiency in battery-powered applications. The device is also capable of tracking two output voltages at the same time and features an integrated low side current limit which allows it to be used as an over-current protection feature.

As for the working principle of the LT3080ET#31PBF, its operation is based on a conventional PNP/NPN series pass regulator. The device works by sensing the output voltage and operating a series pass transistor (PNP or NPN) to maintain the output voltage at the desired level. It employs negative feedback to maintain the output voltage at the specified level, and is powered by an external supply voltage that is greater than the maximum output voltage. The voltage setting is done through a single external resistor connected between the output voltage pin and the ground pin.

The LT3080ET#31PBF\'s wide application field includes automotive, computing, communications, industrial, aerospace, and many other applications. In automotive systems, the device is often used to provide low dropout voltage regulation for power supplies that are used to power ECUs and other car electronics. In the computing and communications industries, the device is often used to regulate voltages used in servers, laptops, and handheld devices. Furthermore, the device is often used in industrial power supplies, as it allows for precise control of output voltage with acceptable ripple and noise. It is also used in aerospace applications, providing regulated power for circuits on board aircrafts.

The LT3080ET#31PBF is a versatile linear regulator offering high efficiency, ultra-low dropout voltage, fast transient response, and low noise. It is suitable for a wide range of applications, from automotive to computing and communications, and from industrial and aerospace. The device features on-chip thermal shutdown, low quiescent current, and low dropout voltage, making it an ideal choice for a variety of power supply applications.

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