AS7805AT-E1

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The AS7805AT-E1 is a monolithic integrated circuit designed with PMIC (Power Management IC) technology and categorized as a Voltage Regulator in the Linear category. It provides compact, low-power, and efficient voltage stabilization and features overcurrent protection, undervoltage lockout and overvoltage protection, making it an ideal choice for automotive, industrial, and consumer applications.

The AS7805AT-E1 is designed to regulate input voltages of 5.5V to 28V and output voltages as low as 0.9V with a maximum output current of 1.5 Amps. It is also capable of employing an adjustable overcurrent protection that is adjustable from 0.25A to 1.5A. It utilizes a differential amplifier and an error amplifier for voltage regulation. The differential amplifier compares the output voltage to a reference voltage and adjusts the output current accordingly. The error amplifier compares the output voltage to a reference voltage and generates an error voltage proportional to the difference between the measured and desired output voltage. This error voltage assists in maintaining the stability and accuracy of the output voltage.

To achieve high efficiency and low power consumption, the AS7805AT-E1 incorporates several circuit design features including low current consumption, low quiescent current, low ripple and noise, low power loss, and high efficiency. The low current consumption ensures low power loss and total heat dissipation when using the device in higher current applications. Furthermore, the low quiescent current and low ripple and noise characteristics enable the device to achieve lower power dissipation and higher efficiency.

In terms of safety and protection, the AS7805AT-E1 is equipped with an integrated overvoltage protection circuit which protects the device from overvoltage and short circuit conditions. Additionally, a low voltage lockout circuit is included to ensure that the device can only operate when the input voltage is within a pre-defined range. This allows for improved reliability and performance in automotive and industrial applications.

Furthermore, the AS7805AT-E1 includes several built-in thermal protection features to ensure that the device is safe to operate in extreme conditions. These thermal protection features include thermal shutdown and over-temperature protection which shut the device off at rising temperatures to protect it from over-temperature damage. In addition, the device also features an enable/disable latch which allows the user to control the power on/off states.

The AS7805AT-E1 is suitable for a wide variety of applications, including automotive, industrial, and consumer applications. The device can be used to regulate and control the power supply in vehicles, power supplies, modems and communication systems, data acquisition systems, alarm systems, and other high-performance applications. It is also suitable for use in applications where reliability and accurate voltage regulation are required such as automotive electrical systems, in-vehicle infotainment systems, robotics and other industrial applications.

In conclusion, the AS7805AT-E1 is a monolithic integrated circuit designed with PMIC technology for voltage regulation applications. It provides efficient voltage regulation, overcurrent protection, undervoltage lockout and overvoltage protection, low power consumption and thermal protections, making it an ideal choice for automotive, industrial, and consumer applications.

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