The Maxim Integrated MAX6838SUT is a highly reliable, compact microprocessor (µP) supervisory circuit, designed to monitor power supplies in digital systems. It provides excellent circuit reliability and low cost by eliminating external components and adjustments when used in battery-powered equipment, computers, controllers, and intelligent instruments.

Key Features

• Precision Monitoring: The device features a precision factory-set V_CC reset threshold and offers a ±1.5% reset threshold accuracy over the entire temperature range, ensuring consistent performance.
• Low Power Consumption: With its low supply current of only 1.2µA, the MAX6838SUT is ideal for power-sensitive applications, contributing to extended battery life in portable devices.
• Manual Reset Input: A manual reset input is provided, allowing for a reset to be triggered with an external switch or logic signal, offering additional system control.
• Reset Timeout: It boasts a 140ms min power-on reset timeout, which provides a reliable system reset upon power-up, power-down, and brownout conditions.
• Compact SOT23 Package: Housed in a tiny 6-pin SOT23 package, the MAX6838SUT is perfect for space-constrained applications, without compromising on functionality.

Applications

• Portable/Battery-Powered Devices
• Embedded Systems
• Data Storage Equipment
• Telecommunications
• Industrial Controllers

Technical Specifications

The MAX6838SUT operates over a wide voltage range from 1.2V to 5.5V, making it versatile for various applications. Its operating temperature range spans from -40°C to +125°C, ensuring reliable operation even in extreme conditions. The device's active-low reset output guarantees compatibility with most microprocessors, providing a straightforward interface.

Conclusion

In summary, the Maxim Integrated MAX6838SUT is an essential component for any system requiring reliable voltage monitoring and reset capabilities. Its precision, low power consumption, and compact form factor make it an excellent choice for designers looking to enhance system stability and prolong battery life in their digital applications.