MIC39301-1.65BU

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The MIC39301-1.65BU is a low dropout voltage regulator (LDO). This type of linear regulator is a type of voltage regulator, a critical component of many types of electronics and circuits. They are widely used in a range of application settings, and the MIC39301-1.65BU is no exception. This article will discuss the application field and working principle of the MIC39301-1.65BU.

The MIC39301-1.65BU is a low power voltage regulator that regulates the input voltage down to an accurate, stable output voltage of 1.65V. It achieves this with a Dropout voltage (VDrop) of 125mV and a quiescent current of only 1.4mA. The device features current limit protection, a thermal shutdown function and a Soft-Start function. These features help ensure that the MIC39301-1.65BU can provide reliable, stable voltage regulation over a wide range of input voltage and load conditions.

The MIC39301-1.65BU is designed for use in a broad range of industrial and automotive applications, such as automotive power systems, industrial power supplies, and communications equipment. It is also suitable for use in a variety of embedded applications, such as embedded displays, microcontroller systems, and FPGA power supplies.

The MIC39301-1.65BU is an adjustable voltage regulator, which means that it can be programmed to regulate a different output voltage. This feature gives it a level of versatility and convenience, as it can be used in applications where a specific output voltage is required. The device has a wide range of adjustable output voltages from 0.8V to 3.3V, with a minimum step size of 50mV.

The MIC39301-1.65BU is a low-power, low-noise, low-dropout voltage regulator, meaning it provides a stable, regulated output voltage even when the input voltage is lower than the regulated output voltage. This feature makes it ideal for use in power sensitive applications, as it ensures stable power delivery even when the input voltage is less than the required regulated output voltage.

The working principle of the MIC39301-1.65BU is based on a simple concept, that of a series voltage regulator. It includes a series pass transistor and an adjustable voltage reference, which are connected in series. This configuration ensures that the voltage at the output of the regulator, Vout, is always kept within a predetermined range of the applied input voltage, Vin. The voltage reference, also known as the reference voltage, is set to the desired output voltage.

The voltage reference is connected to the base of the series pass transistor. When the input voltage exceeds the reference voltage, the transistor is turned on and the voltage at the output is regulated to the reference voltage. If the input voltage is lower than the reference voltage, the transistor is off, and the output voltage follows the input voltage.

In summary, the MIC39301-1.65BU is a low power, low dropout voltage regulator that is designed for use in a broad range of industrial and automotive applications. It is an adjustable voltage regulator, meaning that it can be programmed to regulate a different output voltage, and it also features current limit protection, a thermal shutdown function and a Soft-Start function. The working principle of the MIC39301-1.65BU is based on a series pass transistor and an adjustable voltage reference, which is then connected in series. This ensures that the output voltage is held within the predetermined range of the input voltage, ensuring a stable, regulated output voltage even when the input voltage is lower than the required regulated output voltage.

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