X4003M8I

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The X4003M8I is a multi-purpose low-quiescent-current supervisor integrated circuit. It is used in voltage-monitoring applications, acting as an electronic relay to provide protection against undervoltage and overvoltage conditions. This type of parallel-load supervisor has a wide variety of uses in a variety of applications.

In the IC market, the X4003M8I belongs to PMIC - Supervisors, the product\'s target applications include fan controllers, digital cameras, automotive, industrial controllers, and other applications.

The X4003M8I uses a comparator circuit to monitor a voltage reference and periodically compare it with the power supply voltage. When the power supply voltage goes below or above the set undervoltage or overvoltage thresholds, the supervisor circuit activates the alarm or reset signal to the system. As a result, the system can take corrective action to prevent damage or system failure.

The X4003M8I\'s two thresholds are programmable using two external resistor dividers. The RESET pin is connected to the output of an open-drain comparator, while the ALARM pin is connected to the output of a push-pull comparator. The X4003M8I provides an active-low signal when the power supply voltage is below the undervoltage threshold or above the overvoltage threshold.

The X4003M8I also offers a wide operating temperature range (from -40°C to 125°C), and is available in a small SOT-23-6 package. It also offers high noise immunity and low quiescent current, making it well suited for applications that require high reliability, such as automotive.

The X4003M8I is an ideal solution for applications that need to monitor power supply voltages, such as fan controllers, digital cameras, automotive, industrial controllers, and other applications. It provides high immunity to noise, low quiescent current, and wide range of voltage monitoring. With its low cost, high reliability and wide operating temperature, the X4003M8I is an ideal choice for applications that need to monitor voltage.

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