Maxim Integrated MAX811LUS Voltage Monitor

The MAX811LUS from Maxim Integrated is a compact, low-power voltage monitor designed to ensure the stability and reliability of your electronic systems. This precision device is particularly suitable for monitoring 3.3V power supplies, providing a vital safeguard against undervoltage conditions that could lead to system failures or data loss. With its small footprint, the MAX811LUS is ideal for space-constrained applications such as portable devices, embedded systems, and IoT products.

One of the standout features of the MAX811LUS is its built-in reset function. This feature automatically initiates a system reset if the monitored voltage falls below the factory-set threshold, ensuring that your system reboots with a clean start. The reset output remains active until the voltage recovers and stabilizes, preventing any erratic behavior that could occur during transient conditions.

The device comes in a four-pin SOT-143 package, which provides a significant advantage in terms of space-saving on your PCB. Despite its small size, the MAX811LUS does not compromise on performance, offering a threshold accuracy of ±1.5% over the entire temperature range. This level of precision is essential for systems that require consistent and reliable voltage monitoring.

Additionally, the MAX811LUS features a low supply current of just 10µA, making it an energy-efficient choice for battery-powered applications. This low power consumption helps to extend the battery life of your portable devices, ensuring that they remain operational for longer periods between charges.

In summary, the Maxim Integrated MAX811LUS is a high-quality voltage monitor that combines accuracy, reliability, and energy efficiency. Its compact size, precision monitoring capabilities, and automatic reset feature make it an excellent choice for designers looking to enhance the stability and safety of their electronic systems.

Key features of the MAX811LUS include:

• Factory-set reset threshold for 3.3V systems
• ±1.5% reset threshold accuracy
• Low 10µA supply current
• Manual reset capability
• Compact SOT-143 package
• Operational temperature range from -40°C to +85°C