MIC39300-2.5BU TR

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MIC39300-2.5BU TR Application Field and Working Principle

MIC39300-2.5BU TR is a two-terminal low drop-out (LDO) linear voltage regulator specially designed for automotive applications. It is designed to provide a compact, low power and high power-supply solution for automotive applications like telecommunication modules and central body control. MIC39300-2.5BU has been developed as an enhanced version of the standard two-terminal linear voltage regulator which combines the high performance of a linear regulator and the low cost of an LDO. With MIC39300-2.5BU, users can easily and accurately control voltage levels within the range of 1.3V to 5.5V.

The most important feature of MIC39300-2.5BU is its high power efficiency. It is typically capable of delivering up to 4000mA at a maximum operating temperature of 140°C, while consuming only 3.0mA at a full load. Moreover, the regulator’s quiescent current is only 20μA, which allows it to maintain very low power consumption. It also features a wide range of voltage settings to accommodate different design requirements.

Another key feature of the device is its high output voltage accuracy. It provides a maximum output voltage accuracy of ±0.8%, which eliminates the need for additional voltage offset networks or other components to regulate the output. It also offers excellent ripple rejection and noise suppression capability, making it ideal for use in automotive systems that are susceptible to noise and voltage ripple. Additionally, MIC39300-2.5BU has a wide input voltage range of 4.5V to 22V and is capable of working with both 4.5V and 5V logic input signals.

The operating principle of MIC39300-2.5BU is based on the linear regulator circuit. It uses a pass transistor to regulate the output voltage. The transistor is controlled by a control voltage and is driven by an error amplifier. The control voltage is compared to an internal voltage reference and the difference is used to control the pass transistor. By adjusting the control voltage, the output voltage is regulated at the desired value.

The output voltage is determined by the reference voltage and the voltage drop across the pass transistor – which is limited by a constant current source. The output voltage is kept constant by controlling the current flowing through the pass transistor. The operating current of the pass transistor is kept constant by the current source which is adjustable by changing the magnitude of the gate voltage. Thus, the output voltage can be regulated by adjusting the control voltage.

The MIC39300-2.5BU TR is an ideal solution for automotive applications that require a low power, high efficiency and Accurate Voltage Regulator. It features a wide input voltage range and delivers up to 4000mA at a maximum operating temperature of 140°C, while consuming only 3.0mA at a full load. It also provides excellent ripple rejection and noise suppression capabilities. It features a wide voltage settings range and high output voltage accuracy eliminating the need for additional voltage offset networks or other components. The MIC39300-2.5BU TR is a highly efficient and cost-effective solution for automotive applications.

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