MAX819MCPA+

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The MAX819MCPA+ is a highly integrated voltage supervisors designed to monitor up to five independent power supply rails. This device is rated 3.2V to 5.5V and comes in an ultra-small 6-Bump microDFN package. The MAX819MCPA+ is an excellent power supply holder/monitor/supervisor which is mainly used in embedded designs such as cell phones, PDAs, electronic gaming platforms, and hard disk drives.

The MAX819MCPA+ is a high performance, low-cost solution for monitoring system power supply voltages. It uses Supervisory Accuracy Lock Loop (SALL) technology to accurately monitor and hold multiple power supply voltages, eliminating the need for costly external voltage supervision components in new designs. It is highly flexible, with a programmable delay from 0ns to 128ms as well as Accuracy Enhanced (AE) feature which provides ±1% reset accuracy and independent open drain output configuration.

The MAX819MCPA+ can be used to monitor up to five independent power supply rails in an application. It uses digital supervision along with proprietary Supervisory Accuracy Lock Loop (SALL) technology to provide very accurate voltage thresholds. The MAX819MCPA+ also utilizes the AE feature to reduce variation in reset thresholds. It also features a programmable reset delay time, protecting the system from unnecessary resets during a power supply brown-out.

The MAX819MCPA+ monitors the power supply rails and produces a reset signal when the voltage drops below a certain threshold. Additionally, it can be configured to generate an active-low reset signal, an active-high watchdog signal, and a power-on reset signal. It also has a power fail interrupt output which can be used to indicate the power supply fault to the processor.

The MAX819MCPA+ is a highly integrated solution for power supply monitoring and reset control circuits. It is simple to use and does not require any external components. It provides very accurate voltage thresholds and has a wide range of adjustable delay and watchdog times. It is cost effective, reliable and provides excellent protection for critical power supply rails in embedded applications.

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