MAX704RESA+T

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MAX704RESA+T is a precision supervisor from Maxim Integrated, an integrated circuit manufacturer that specializes in the design and manufacture of analog and mixed-signal integrated circuits. It operates in the PMIC (power management integrated circuit) – Supervisors category, providing a multi-level voltage monitoring solution for all system power monitoring needs. It features MAX704 made with a 1V precision monitored input/high accuracy supply voltage regulator with selectable time delay and Power-Fail Input (PFI) support, as well as a +T-grade temperature monitor.

The MAX704RESA+T is suitable for use in a variety of application fields, including automotive, industrial, networking, and communications. It can be used to monitor voltage rails in power supplies and provide added protection against excessive power anomalies, such as overvoltage and undervoltage conditions. It also provides reset functionality when the monitored supply voltage falls below a preset level.

The device also offers a +T-grade temperature monitor that continuously monitors and compares the junction temperature of the integrated circuit against an internal temperature threshold. If the temperature threshold is exceeded, the device automatically alerts the system. This feature is especially useful in environments where overheating of integrated circuitry could lead to system failure.

The MAX704RESA+T works on the principle of detecting the power drop in the supply voltage and generating proper interrupt and reset signals accordingly. The device acts as a comparator, comparing the input voltage with a set threshold level. When the input voltage drops below the threshold, the internal reset signal is activated and asserted, causing the controlled circuitry to be reset. There is a selectable time delay available to prevent false triggering of the reset signal. This time delay can also be used for power-on reset functions.

The MAX704RESA+T also has a Power-Fail Input (PFI) that can be connected to an external supply that is powering the monitoring circuitry. During normal operation, the PFI pin will remain low. If the external supply fails, the PFI pin will go high, alerting the monitoring circuitry and triggering the reset process.

In addition, the MAX704RESA+T also offers strong reset control with integrated filter and reset control logic. This ensures that reset is triggered correctly and reliably in case of various power supply anomalies. The device also features an adjustable reset delay time, allowing designers to adjust the reset time to meet the specific requirements of their systems.

The MAX704RESA+T is a powerful and versatile device that offers systems the necessary protection from overvoltage and undervoltage conditions. Its advanced features make it suitable for applications that require precise power monitoring and reset functionality. It is a great choice for a variety of different systems and applications.

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