MAX810LEUR

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MAX810LEUR

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IC SUPERVISOR 3PIN MPU RESET

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Présentation

Description

The MAX810LEUR is a microprocessor supervisory circuit designed to monitor the power supply voltage in microprocessor systems and provide a reset signal when necessary. This device ensures microcontrollers and digital systems operate correctly by initiating a reset when the supply voltage drops below a specified threshold, preventing erroneous operations.
Key features include a low supply current, typically around 3µA, and precise voltage monitoring with thresholds tailored for different applications. The MAX810LEUR generates a reset signal when the monitored voltage falls below the preset threshold, maintaining the reset for a period after the voltage returns to an acceptable level, ensuring system stability during power fluctuations.
The device is available in a small, space-efficient SOT-23 package, making it ideal for portable and space-constrained applications. It operates over a wide temperature range, ensuring reliability in various environments. The MAX810 series, including the MAX810LEUR, is widely used in consumer electronics, industrial systems, and other applications requiring robust system supervision.

Equivalent

The MAX810LEUR is a microprocessor reset supervisor with active-low reset functionality. Equivalent products include:
1. Microchip MCP130T-460I/TT
2. Texas Instruments TPS3838K33DBVR
3. ON Semiconductor CAT811TTBI-GT3
4. STMicroelectronics STM809TEUR
5. Diodes Incorporated APX809-46SAG-7
These alternatives offer similar voltage threshold, reset timeout, and package type. Always verify the specifications to ensure compatibility with your specific application.

Features

The MAX810LEUR is a microprocessor supervisory circuit designed to monitor power supply voltages in digital systems. Here are its key features:
1. Voltage Monitoring: It monitors supply voltages and ensures they do not drop below a preset threshold, typically 3.08V for this variant.
2. Reset Output: The device provides an active-low reset signal when the monitored voltage drops below the threshold or during power-up, ensuring a reliable reset of the microprocessor.
3. Manual Reset Capability: It includes a manual reset input for user-initiated resets.
4. Low Supply Current: The device consumes minimal power, typically around 3µA, making it suitable for battery-powered applications.
5. Reset Timeout: It features a fixed reset timeout period of 140ms (minimum), which allows the system to stabilize before normal operation resumes.
6. Small Package: The MAX810LEUR is available in a compact SOT-23 package, facilitating space-constrained designs.
7. Temperature Range: It operates over a wide temperature range, typically from -40°C to +85°C, making it suitable for various environmental conditions.
These features make the MAX810LEUR ideal for ensuring reliable operation in microcontroller and processor-based systems.

Pinout

The MAX810LEUR is a microprocessor supervisory circuit. It typically comes in a 3-pin SOT-23 package. The main function of the MAX810LEUR is to monitor the supply voltage of a microprocessor, providing a reset signal to the processor during power-up, power-down, and brownout conditions. This ensures that the processor starts up in a known state and prevents erratic operation during voltage drops.
The pin configuration is as follows:
1. VCC (Pin 3): This is the power supply input pin.
2. GND (Pin 2): This is the ground reference pin.
3. RESET (Pin 1): This is the output pin that provides the reset signal. It is typically active-low, meaning it goes low to reset the microprocessor when the monitored voltage falls below a specified threshold.
The MAX810LEUR enhances the reliability of the system by ensuring proper microprocessor operation during voltage fluctuations.

Manufacturer

The MAX810LEUR is manufactured by Maxim Integrated, which is now part of Analog Devices, Inc. Maxim Integrated is known for designing and manufacturing analog and mixed-signal integrated circuits. The company specializes in a wide range of products, including power management, interface, sensors, and communication solutions, serving various industries such as automotive, consumer electronics, industrial, and healthcare.
Analog Devices, Inc., the parent company, is a leading global semiconductor company that focuses on high-performance analog, mixed-signal, and digital signal processing technologies. They provide solutions that play a crucial role in converting, conditioning, and processing real-world phenomena into usable data across numerous applications.

Application

The MAX810LEUR is a microprocessor supervisory circuit widely used in various applications to ensure reliable system performance. Its key application areas include:
1. Microprocessor and Microcontroller Reset: It provides a reset signal to prevent code execution errors during power-up, power-down, or brownout conditions.
2. Embedded Systems: It ensures stability and reliable operation by monitoring supply voltage.
3. Consumer Electronics: Used in devices like smartphones and tablets to manage power and reset functions.
4. Industrial Automation: Helps in maintaining the integrity of control systems by supervising critical power levels.
5. Automotive Electronics: Ensures safety and reliability in automotive systems by managing voltage levels.
These applications leverage the MAX810LEUR's ability to provide precise voltage monitoring and reset capabilities.

Package

The MAX810LEUR is a microprocessor supervisory circuit packaged in a small SOT-23 form factor. This package type is compact, suitable for space-constrained applications, and typically used in monitoring the supply voltage in electronic devices to ensure proper microprocessor operation.

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