ADM809SART-REEL

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The ADM809SART-REEL is a PMIC - Supervisors device designed for use in a broad array of product applications. It is a high voltage supervisor that provides reset and watchdog timer functions. It is designed to detect and respond to abnormal power supply conditions, making it idea for providing reliable circuit safety and system reliability. The ADM809SART-REEL is ideal for use in consumer, automotive and industrial applications.

The ADM809SART-REEL is an active low voltage supervisor with an operating temperature range of -40 °C to 125 °C, allowing it to be comfortably used in a broad array of environments. Its five programmable input thresholds (from 1.62V to 5.65V) provide flexibility in system monitoring. Its reset output is an open drain push-pull reset output which is capable of sinking 200mA at 5V.

The ADM809SART-REEL boasts several benefits to the user. It provides a significantly longer power-good signal delay than other comparably-priced voltage supervisors, allowing for greater system accuracy. It is housed in a SOT-23-4Q package, providing design flexibility and allowing you to place the device in cramped spaces. It also has a low current consumption of only 20µA, reducing the overall system power consumption and enabling improved system performance.

The ADM809SART-REEL operates on the principle of using an internal comparator to compare the voltage at its VDD input with its internal voltage reference. The input and reference voltages are compared against their respective thresholds. If the input voltage falls below the input threshold, the device will pull its reset output low. If the reference voltage falls below its threshold, the device will pull its watch dog output low. The device is also equipped with a watchdog reset timeout period, configurable from 100ms to 1s.

The ADM809SART-REEL provides flexibility in terms of its timer as it allows one to select between a single shot or continuous reset output, depending on the user’s application needs. In addition, the device also provides an enable input, which allows one to still utilize the device’s reset and watchdog outputs even if the enable input is held low. This provides an additional level of safety when dealing with system faults.

In summary, the ADM809SART-REEL is a PMIC - Supervisors device designed for use in consumer, automotive and industrial applications. It is a high voltage supervisor with five programmable input thresholds, an open drain push-pull reset output, and a low current consumption of only 20µA. It allows one to select between a single shot or continuous reset output, and also provides an enable input. The device is housed in a SOT-23-4Q package, allowing for design flexibility and better space utilization. All of these features combine to make the ADM809SART-REEL an ideal choice for applications that require reliable circuit safety and system reliability.

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