The MAX815LESA+ is a highly compact, power-supply supervisory circuit designed by Maxim Integrated to provide essential monitoring functions for digital systems. This device ensures reliable operation by monitoring power supply voltages and asserting a reset signal to the host microprocessor during power-up, power-down, and brownout conditions. The MAX815LESA+ is particularly well-suited for portable, low-power applications due to its small size and low power consumption.

Key Features

• Precision Voltage Monitoring: The MAX815LESA+ offers precision monitoring of +5V, +3.3V, +3V, or +2.5V power supplies, making it versatile for a variety of digital systems.
• Reset Timeout: It features an adjustable reset timeout period, which can be set by an external capacitor to match the requirements of the specific application.
• Manual Reset Capability: A manual reset input allows the user to initiate a system reset with an external pushbutton or logic signal.
• Low Power Consumption: The device is designed for energy efficiency, which is critical for battery-operated devices, ensuring minimal impact on overall system power budget.
• Compact Package: The MAX815LESA+ comes in a space-saving 8-pin SO package, making it ideal for applications where board space is at a premium.

Applications

The supervisory circuit is well-suited for a wide range of applications, including:

• Computers and Servers
• Embedded Systems
• Portable/Battery-Powered Equipment
• Industrial Controllers

Technical Specifications

• Supply Voltage Range: 1.2V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Reset Threshold Accuracy: ±1.5% over temperature
• Package Type: 8-Pin SO

The MAX815LESA+ from Maxim Integrated is a reliable solution for system monitoring and reset functions, ensuring that digital systems maintain their integrity and performance across a range of conditions and applications.