AN77L09M-E1

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The AN77L09M-E1 is a low-power linear voltage regulator designed to provide precise output voltage depending on an applied input voltage and current. It can also provide adjustable output voltage. It is essential for any electronics incorporated in products for specific purposes such as telecommunications, automotive, and industrial. It is a three-terminal positive linear voltage regulator with an input voltage ranging from 3.0V to 30V and an output voltage of 5.0V with a maximum output of 100mA. The regulator has short-circuit and over-current protection.

The working principle of the AN77L09M-E1 is based on the difference between the input and output voltages. The input voltage is set to a higher voltage value than the output voltage, and then the regulator supplies the necessary power to its output stage by creating a voltage drop at the output stage via a transistor. The output voltage is equal to the input voltage minus the voltage drop due to the load current and the voltage drop across the transistor. This process is done in order to maintain a stable output voltage.

Together, the input and output voltages create a feedback loop, making sure that the output voltage remains stable regardless of slight variations in the supply voltage. This is accomplished by controlling the gate bias to the pass transistor, which in turn regulates the output voltage. If the output voltage is too low, the gate bias increases, which leads to an increase in the current flowing through the pass transistor and a corresponding rise in the output voltage. Conversely, if the output voltage is too high, the gate bias decreases, resulting in a decrease in the current flowing through the pass transistor and an associated drop in the output voltage.

The AN77L09M-E1 is an ideal linear voltage regulator for applications where small voltage adjustments are desired. It is commonly used in automotive systems to power dashboards and sensors. It is also suitable for powering digital clocks, providing power to audio systems, powering TVs and monitors, and keeping preamplifiers working properly. It is also an ideal solution for making sure that radio-frequency circuit always have a stable voltage, as well as in medical systems, power supplies, and any other application where precise voltage regulation is critical.

The AN77L09M-E1 is a simple and cost-effective linear voltage regulator for low-power applications. It provides noise-free, reliable and stable power and can be adjusted to meet various application requirements. It features excellent current handling, high efficiency, low quiescent current, internal thermal shutdown, and a wide operating temperature range. With its high performance, low power consumption, and reliable operation, the AN77L09M-E1 is the perfect choice for achieving a stable and reliable power supply.

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