The DS1811-15/TR from Maxim Integrated is a robust processor supervisory component designed to enhance the reliability and correct operation of a microprocessor (µP) or digital system. This compact and efficient device plays a critical role in monitoring the system's power supply, ensuring that the microprocessor and associated digital circuitry are reset during power-up, power-down, and brown-out conditions.

Key Features

• Voltage Monitoring: The DS1811-15/TR actively monitors the system's power supply voltage and maintains the µP in a reset state until that voltage reaches a stable and precise threshold, ensuring a reliable system start-up.
• Reset Timeout: It features a 150ms minimum power-on reset timeout (td), which provides the system with ample time to stabilize before the processor starts executing code.
• Temperature Range: With an operating temperature range of -40°C to +85°C, the DS1811-15/TR is suitable for use in a wide range of environments and applications.
• Compact Packaging: Available in a space-saving SOT-23 package, this supervisor IC is ideal for systems where board space is at a premium.
• Supply Voltage: It supports a supply voltage range of 1.2V to 5.5V, making it versatile for various digital systems.

Applications

The DS1811-15/TR is a versatile device that can be employed in numerous applications where reliable system operation is critical. These include:

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

Product Summary

The Maxim Integrated DS1811-15/TR processor supervisor is an indispensable component for any digital system requiring high reliability and resilience to power supply irregularities. Its ability to ensure a proper reset sequence for microprocessors helps prevent system failures and safeguards the integrity of the system's operations. With its compact form factor and robust feature set, the DS1811-15/TR is an excellent choice for designers looking to enhance system stability and performance.