MIC39500-2.5BU

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A linear voltage regulator is an electronic component used to provide a stable output voltage signal from a varying input voltage. The MIC39500-2.5BU is one such voltage regulator, and it is used in many consumer and industrial applications. In this article, we’ll discuss the application field and working principle of the MIC39500-2.5BU.

The MIC39500-2.5BU is generally used in battery-powered systems that require a stable supply of power at all times. This includes applications such as consumer electronics, portable medical devices, avionics, and communications equipment. The wide input voltage range of 4.5V to 55V makes the MIC39500-2.5BU ideal for these kinds of systems. It also has a low typical quiescent current of 600nA, which makes it suitable for systems that need to conserve energy.

The MIC39500-2.5BU features a high-precision 0.5V output voltage, which is ideal for powering digital circuitry, microcontrollers, ASICs and so forth. This high accuracy of 0.5% is achieved through the combination of laser-trimmed components, an internal bandgap reference, and an integrated error amplifier.

The MIC39500-2.5BU also features a large load regulation range of 10mA-2A. This enables the voltage regulator to provide a stable voltage over a wide range of operating conditions and load currents. The additional features of over-current protection, thermal shut-down protection and reverse battery protection ensure that the voltage regulator is protected against unexpected events or circumstances.

The precise operation of the MIC39500-2.5BU is enabled by its unique working principle. It works by using a combination of a voltage reference, an error amplifier and a power transistor stage. The voltage reference provides a stable output voltage by comparing the input voltage with a fixed voltage reference using the error amplifier. This amplified error signal is then used to control the power transistor stage, which limits the output voltage to the reference voltage.

The MIC39500-2.5BU voltage regulator is thus a versatile and highly precise device for providing a stable output voltage in a wide range of applications, from consumer electronics to avionics. It features a wide input voltage range, a very precise output voltage and an effective overload protection, making it ideal for a number of applications.

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