MC33275DT-5.0G

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The MC33275DT-5.0G is a 3-terminal low dropout linear regulator specifically designed for automotive and Industrial applications. It offers a very low dropout voltage of 2V and a wide operating temperature range. The device is capable of operating from 2V to 24V input voltage and provides an adjustable output voltage from 1.2V to 22V. Its features include low quiescent current, low dropout voltage, high current capability, an enable/disable function and full protection features.

The MC33275DT-5.0G is designed to provide excellent load regulation, line regulation and temperature stability. It is capable of providing 1A continuous current at low voltage drop with high efficiency. The enable/disable function allows turning off the current flow through the device while keeping supply rails connected.

The main purpose of MC33275DT-5.0G is to provide a regulated voltage supply to electronic circuitry that needs to operate over a wide range of input voltages. The device is suitable for automotive, industrial, medical and consumer applications.

The device integrates an on-chip series power MOSFET that takes over from the external PNP reference device or external NPN Darlington stage when the voltage falls below a certain point. When the output voltage drops below the reference voltage, the device enters the linear region of operation, allowing the output voltage to be regulated. During this time, the output current is limited by the resistance value at the regulation point. This ensures that the output voltage is not over-regulated, preventing any possible protection issues due to excessive current.

The MC33275DT-5.0G also provides short-circuit protection that limits the output current to a set value. The device also provides over-temperature protection. This prevents the output voltage from going too high due to excessive temperature. The device also provides output voltage tracking, where the output voltage is compared to the nominal voltage, and the difference is adjusted via the external resistor network.

In summary, the MC33275DT-5.0G is an excellent 3-terminal low dropout linear regulator designed for a wide range of applications. With its low dropout voltage, wide operating range, high current capability and full protection features, it is an ideal solution for many power supply applications. Its excellent dropout regulation, line regulation and temperature stability make it well-suited for automotive, industrial, medical and consumer applications.

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