The MAX809M-4.38 is a precision microprocessor (µP) reset circuit developed by Maxim Integrated, a renowned leader in the design and manufacturing of analog and mixed-signal engineering solutions. This compact and efficient component plays a crucial role in monitoring the power supply voltage in µP and digital systems, providing a reliable reset signal to the host processor whenever necessary.

Key Features

• Reset Threshold Voltage: The device is designed with a preset threshold voltage of 4.38V, ensuring accurate monitoring of VCC.
• Low Power Consumption: It boasts a low supply current, making it an ideal choice for power-sensitive applications.
• Reset Output: The active-low reset output remains asserted for a minimum of 140ms after VCC rises above the reset threshold, providing a reliable reset timing.
• Versatility: The MAX809M-4.38 is suitable for use in a wide range of applications, including computers, controllers, intelligent instruments, and portable/battery-powered equipment.
• Temperature Range: It operates over a wide temperature range, accommodating diverse environmental conditions.
• Compact Package: Available in a small SOT-23 package, it requires minimal space on a PCB, contributing to a reduction in overall design footprint.

Applications

Due to its robust design and precise voltage monitoring capability, the MAX809M-4.38 is highly suitable for critical system applications where reliable reset functionality is paramount. These include:

• Embedded systems
• Microcontroller systems
• Computers and servers
• Portable and battery-powered devices
• Industrial equipment

Why Choose MAX809M-4.38?

Maxim Integrated's commitment to quality and reliability is evident in the MAX809M-4.38. By integrating this reset circuit into your design, you ensure enhanced system stability and protection against unpredictable conditions such as power surges or dips. Its precision voltage monitoring and extended temperature range make it a versatile choice for engineers looking to enhance the resilience of their digital systems.