AN77L045M-E1

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The AN77L045M-E1 is a stabilized fifth-order linear voltage regulator, designed for applications where a regulated 5.0 V output voltage and high accuracy are required. This device is integrated into a single package and provides an output voltage of 5.0 V ± 1 %. The output voltage is adjustable by using an external resistor, allowing different output levels to be achieved. The device is also fully protected against overcurrent and overvoltage conditions.

The AN77L045M-E1 is designed to operate from a 5.5 V input voltage, allowing for a minimum input voltage of 4.5 V. The device contains an integrated low-dropout (LDO) regulator and an overvoltage protection circuit, as well as a thermal shutdown device. The device also has an active current limit and an optional enable feature, allowing the regulator to be enabled or disabled with a logic control signal.

The device can be used in applications requiring high accuracy, such as those found in telecommunications, automotive and industrial systems, as well as power system design. In these applications the AN77L045M-E1 provides crucial voltage stability over large input voltage and temperature variations. The output voltage is adjustable and is suitable for a wide range of output currents from a few milliamps up to 1.5 A.

The device also provides excellent load and line regulation, making it an ideal solution for a variety of situations. The device features simple logic levels for the enable and shutdown functions, making it easy to use in a wide range of applications. In addition, the device has an accuracy of ± 0.5 % to provide highly accurate and reliable operation.

The operating principle of the AN77L045M-E1 is based on the standard voltage regulator IC architecture. It utilizes an LDO regulator and an overvoltage protection circuit to ensure that the output voltage is maintained within the specified range and is not affected by the variations in input voltage and temperature. The device also contains an active current limit and thermal protection to protect the device from short circuit and overload conditions and to protect itself from thermal overload.

The device exhibits excellent load and line regulation, providing good stability and accuracy. The on-chip voltage reference allows accurate output voltage setting by making use of an external resistor. The device also includes an adjustable overvoltage protection circuit, which protects the device against high voltages. The device also incorporates a low quiescent current and low power dissipation.

The AN77L045M-E1 is a versatile linear voltage regulator, designed for applications where high accuracy, low power dissipation and good stability are required. The device is easy to use and provides excellent load and line regulation and a wide range of adjustable output voltages. It is suitable for a variety of applications, such as telecommunications, automotive, industrial, and power system design. The device also features a low-dropout regulator and an overvoltage protection circuit to protect against overload and short circuit conditions.

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