ADM709RARZ-REEL

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PMIC (Power Management Integrated Circuits) are used in a variety of electronics applications, from consumer to industrial and from computers to automobiles. Supervisors are specialized ICs that detect specific conditions, such as overvoltage and overcurrent, and then a corresponding function that triggers a reset or other in-circuit action. The ADM709RARZ-REEL is a low-voltage CMOS supervising IC which provides protective circuit features for microprocessor and other logic-based systems.

The ADM709RARZ-REEL supervisor works by monitoring up to four system voltages, with adjustable thresholds enabled or disabled through a 3-state programmable Control input. Whenever an overvoltage or undervoltage condition occurs in any of these voltages, the output is triggered and it issues a reset. Other optional functions such as window detector, manual reset, clock output and power-fail comparator are also available on the IC, providing tailored monitoring solutions.

The ADM709RARZ-REEL is designed to monitor 3V to 5.5V input voltages and to provide individual three-state thresholds and reset/interrupt functions. The current consumed from the input voltage is typically less than 5µA in quiescent mode. The reset delay time is adjustable from 0.2mS to 11.8S and is determined by an external capacitor value. The output can be used as an assertive or open-drain reset, as well as an interrupt or power-fail warning, depending on the user-defined system configuration. In addition, the device provides an OVLO (overvoltage lockout) and a UVLO (undervoltage lockout) status indicator.

The ADM709RARZ-REEL is ideal for applications requiring precision monitoring of multiple input voltages. The device is configurable for a wide range of power fail conditions and reset time periods. With its low current consumption, adjustable and programmable reset delay for perfect system initialization, this IC allows for smarter design solutions. The ADM709RARZ-REEL is also particularly useful for systems subject to a high ambient temperature, due to its thermal regulation and reset triggering features.

Typically, the ADM709RARZ-REEL is used in applications such as PC motherboard, power sharing generic application processors, hard disk drive, point of sale and industrial control systems. The device can be used to prevent damage to these systems due to voltage or power failure. Its reset and interrupt output can also be utilized to ensure that the system enters safe mode upon power failure.

In conclusion, the ADM709RARZ-REEL is an ideal solution for precision monitoring of multiple input voltages. Its adjustable threshold and programmable reset delay offer great flexibility and system safety to a variety of microprocessor and other logic-based systems. The device is an ideal choice for applications subject to a high ambient temperature and power fail conditions.

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