LT3089EFE#TRPBF

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The LT3089EFE#TRPBF is a low dropout (LDO) linear regulator from Linear Technology, specifically suitable for demanding applications such as power supplies and high-current loads. This state-of-the-art regulator, which is packaged in a tiny, low-profile 8-pin chip-scale package (U-DFN 6x6), provides an exceptional combination of performance, efficiency, and accuracy, with extremely low quiescent current and a wide operating temperature range of -40°C to 125°C.

The LT3089EFE#TRPBF offers up to 3A of continuous output current with excellent line and load regulation. The output voltage is adjustable from 0.8V to 5.1V, and the device features a low noise, low dropout voltage of 430mV at 3A (185mV at 2.5A). The LDO supports a wide input voltage range of 2.7V to 18V, making it suitable for automotive applications.

The main advantage of the LT3089EFE#TRPBF over other low-dropout linear regulators is its extremely fast response time and excellent power performance. It also has an integrated overtemperature and overcurrent protection, making it highly reliable and robust. The low quiescent current of only 150uA, along with its high efficiency, makes the LT3089EFE#TRPBF an ideal choice for powering low-power and background applications.

The LT3089EFE#TRPBF is an ideal regulator for battery-powered applications. Its wide operating temperature range, combined with its low quiescent current and highly efficient operation, makes it well-suited for powering battery-backed systems. Additionally, its low dropout voltage of 430mV at 3A makes it suitable for powering high-current loads. The LT3089EFE#TRPBF also features excellent load regulation and output accuracy, making it an excellent choice for any application that requires high-performance, high-accuracy regulated power.

The working principle of the LT3089EFE#TRPBF is relatively simple. The device consists of an adjustable linear regulator, which is controlled by an error amplifier. The adjustable voltage regulator is powered by an input voltage, and its output voltage is adjusted by the error amplifier. The output voltage is monitored by a monitor amplifier, which provides feedback to the error amplifier. The error amplifier adjusts the output voltage to ≈1.23V by varying the gate voltage of the P-channel power MOSFET. The output voltage is then controlled by the error amplifier, which adjusts the gate voltage to maintain the output voltage of the adjustable linear regulator.

The LT3089EFE#TRPBF is an ideal linear regulator for a wide variety of applications, such as automotive, industrial, and consumer electronics. Its wide operating temperature range, low quiescent current, and high efficiency make it suitable for powering a variety of power-hungry applications. In addition, its low dropout voltage, fast response time, and excellent power performance make it ideal for multiple loads and high- performance power supplies.

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