MAX809LEUR-T

The MAX809LEUR-T is a microprocessor supervisory circuit produced by Maxim Integrated. It is designed to monitor the supply voltage of digital systems and ensure they operate reliably by asserting a reset signal when the voltage falls below a predefined threshold. The device features a precision voltage reference and comparator to accurately monitor the power supply voltage. The MAX809LEUR-T typically generates a reset signal when the monitored voltage drops below the threshold voltage of 2.93V, ensuring that the microprocessor maintains proper operation during power disturbances.
This supervisory circuit is housed in a SOT-23 package, making it compact and suitable for space-constrained applications. The "T" in the part number indicates tape and reel packaging, which is useful for automated manufacturing processes. The MAX809 series is known for its low supply current, making it ideal for battery-operated devices. Additionally, it provides a push-pull, active-low reset output, which is suitable for most microprocessor applications. The device ensures robust system performance by preventing incorrect code execution during power-up, power-down, and brownout conditions.

The MAX809LEUR-T is a microprocessor supervisory circuit designed to monitor the power supply voltage in microprocessor and digital systems. Key features include:
1. Voltage Monitoring: The device monitors the supply voltage and asserts a reset signal whenever the voltage drops below a preset threshold, ensuring reliable operation of the microprocessor.
2. Reset Output: It provides an active-low reset output, which remains asserted for 140 ms after the supply voltage recovers above the threshold, ensuring proper system reset.
3. Precision Threshold: The device has a precision voltage threshold of 2.93V, ideal for 3V systems.
4. Low Supply Current: It consumes very low supply current, typically around 3 µA, making it suitable for battery-powered applications.
5. No External Components Needed: The MAX809LEUR-T does not require any external components, simplifying the design process.
6. Package: It is available in a small SOT-23 package, which saves board space.
7. Temperature Range: The device operates over a temperature range of -40°C to +85°C, suitable for various environmental conditions.
These features make the MAX809LEUR-T ideal for ensuring the reliability and stability of microprocessor operations in various applications.

The MAX809LEUR-T is a microprocessor supervisory circuit with a SOT-23-3 package type. This small-outline transistor package is commonly used for surface-mount applications, offering a compact and efficient design for electronic circuits.

The MAX809LEUR-T is a microprocessor supervisory circuit. It is primarily used to monitor supply voltage levels and provide a reset signal to the microprocessor during power-up, power-down, and brownout conditions. This component typically comes in a 3-pin SOT-23 package.
The functions of the pins are as follows:
1. Pin 1 (GND): This pin is connected to the ground of the circuit.
2. Pin 2 (/RESET): This is the active-low reset output pin. It goes low when the monitored voltage falls below the specified threshold, signaling the microprocessor to reset. It remains low for a fixed timeout period after the voltage returns to a stable level.
3. Pin 3 (VCC): This pin is connected to the supply voltage that is being monitored.
The MAX809 series is designed to ensure that the microprocessor remains in a well-defined state during power-up and power-down scenarios and prevents the execution of undefined operations, providing robust protection against brownout conditions.

The MAX809LEUR-T is manufactured by Maxim Integrated, which is now a part of Analog Devices, Inc. Maxim Integrated is known for designing, manufacturing, and selling analog and mixed-signal integrated circuits. The company specializes in creating products for a wide range of applications, including consumer electronics, automotive, communications, industrial, and computing markets. Their product portfolio includes power management ICs, sensors, amplifiers, interface circuits, and more. Since its acquisition by Analog Devices in 2021, the combined entity continues to focus on delivering high-performance solutions across various technology sectors.

The MAX809LEUR-T is a microprocessor supervisory circuit commonly used in applications requiring reliable reset functionality. Key areas include embedded systems, microcontroller-based designs, and consumer electronics, where it provides a reset signal to ensure the system restarts correctly after power interruptions. It is also used in industrial controls, automotive electronics, and communication devices to enhance system reliability by monitoring supply voltage levels and ensuring the microprocessor operates within specified parameters.

Equivalent products to the MAX809LEUR-T, which is a microprocessor supervisory circuit, include:
1. Microchip Technology's MCP120T-450I/TT.
2. ON Semiconductor's NCP300LSN46T1G.
3. STMicroelectronics' STM809TTR.
4. Texas Instruments' TPS3839K33DBVR.
These alternatives provide similar functionality, including voltage monitoring and reset capabilities for microprocessor systems. Always verify specifications to ensure compatibility with your specific application.