AS1912Z-T

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Power supply supervisors play an important role in the whole circuit, which ensures stable operation and helps extend the working life of the system. They can help prevent harm to the system due to overvoltage or undervoltage conditions, as well as preventing current spikes or drops. A supervisor is essentially a circuit monitor, as well as a controller if necessary. The AS1912Z-T Supervisory Circuits from ON Semiconductor N.V. are low voltage supervisors (LV) with a reset signal output. This means that in situations where the input voltage drops below a certain set level, the circuit will automatically send out a reset signal to the system, so it can reset and start functioning again.

The AS1912Z-T has an operating voltage range from 2.2V to 5.5V. It has an active low reset (RESET), as well as an active low open drain reset output (RESET_OUT). As a result, the reset delay is adjustable by using external capacitance, which can help regulate the reset level according to different applications. This means that the AS1912Z-T can be used in a wide range of different applications, ranging from low voltage automotive applications to communications.

The AS1912Z-T also has low current consumption and is ESD protected, allowing it to be used in highly sensitive systems. Furthermore, its voltage reference is accuracy is ±1%, which ensures precise voltage measurement. Additionally, the AS1912Z-T has an integrated watchdog timer, which can provide extra protection to the system in case of a sudden power failure.

The AS1912Z-T works by detecting the power supply voltage (VIN) and providing an output reset signal when this voltage drops below the set voltage level (VTH). This reset signal can then be used to stop the system functioning, so that it can reset itself and continue working. The system can also be programmed to automatically restart after a specified time interval. Furthermore, the AS1912Z-T also includes a reset output signal, which can be used to indicate when a reset is triggered.

In summary, the AS1912Z-T is a low voltage supervisor with a reset signal output, designed to provide protection to a system by detecting the input voltage and resetting it when the voltage drops below a certain level. It has a wide operating range, low current consumption and a high degree of accuracy, making it suitable for a wide range of applications. Furthermore, it has an integrated watchdog timer to help protect the system in case of an unexpected power failure. As a result, the AS1912Z-T can be used as a reliable and efficient supervisor for a variety of systems.

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