MAX809LEUR

The MAX809LEUR is a microprocessor supervisory circuit manufactured by Maxim Integrated, designed to monitor the power supply voltage in electronic systems. It is part of the MAX809 series, known for its reliability and low power consumption. The device primarily functions by monitoring the supply voltage and initiating a reset signal when the voltage drops below a specified threshold, ensuring that the microprocessor operates within safe voltage levels. This prevents erratic behavior or data corruption in electronic systems during power fluctuations.
Key features of the MAX809LEUR include its low supply current, typically around 1µA, and a precision voltage monitoring threshold, which varies across different models in the MAX809 series. The device comes in a compact SOT-23 package, making it suitable for space-constrained applications. It is widely used in consumer electronics, automotive systems, and industrial equipment due to its high reliability and efficient performance in safeguarding microprocessor operations.

The MAX809LEUR is a voltage monitoring IC. Equivalent products include:
1. Microchip MCP100-300DI/TO
2. STMicroelectronics STM809R
3. ON Semiconductor NCP803SN30T1G
4. Texas Instruments TPS3809K33
5. Diodes Incorporated APX809-31SAG-7
These alternatives offer similar functionalities, such as monitoring supply voltage and providing a reset signal when it drops below a specified threshold.

The MAX809LEUR is a microprocessor supervisory circuit designed to monitor the supply voltage in digital systems and provide a reset signal to the microprocessor when necessary. Key features include:
1. Voltage Monitoring: It monitors the supply voltage and issues a reset to the microprocessor during power-up, power-down, or any voltage drop below a specified threshold.
2. Reset Output: Provides an active-low reset signal to ensure proper microprocessor operation during reboots or brownouts.
3. Precision Monitoring Threshold: Available with different threshold voltage options to accommodate various system requirements.
4. Low Supply Current: Consumes minimal current, typically in the microamp range, making it suitable for battery-powered applications.
5. Fast Response Time: Offers a quick reset assertion to prevent glitches during voltage drops.
6. Space-Saving Package: Comes in a small SOT-23 package, suitable for compact designs.
7. Temperature Range: Operates across a wide temperature range, suitable for diverse environmental conditions.
These features make the MAX809LEUR an efficient solution for ensuring reliable system performance by preventing erratic operation due to improper voltage levels.

The MAX809LEUR is a microprocessor supervisory circuit designed to monitor the supply voltage in microprocessor systems. It typically comes in a 3-pin configuration. The pins and their functions are as follows:
1. VCC (Pin 1): This is the supply voltage pin. The MAX809 monitors the voltage at this pin.

2. GND (Pin 2): This is the ground pin, which serves as the reference point for the VCC voltage and the RESET output.
3. RESET (Pin 3): This output pin provides a reset signal to the microprocessor. When the monitored voltage at VCC falls below a specified threshold, the RESET pin is driven to an active state (usually low), which resets the processor.
The device ensures the microprocessor is properly reset during power-up, power-down, and brownout conditions, preventing unpredictable behavior.

The MAX809LEUR is manufactured by Maxim Integrated, which is now part of Analog Devices, Inc. Maxim Integrated is known for specializing in the design and manufacture of analog and mixed-signal integrated circuits. The company serves a variety of markets, including consumer, communications, industrial, and automotive sectors. Their product portfolio includes, but is not limited to, power management ICs, interface ICs, and microcontrollers.

The MAX809LEUR is a microprocessor supervisory circuit used primarily in applications requiring reliable system monitoring and reset functions. Key application areas include:
1. Embedded Systems: Ensures microcontrollers reset correctly on power-up or during power fluctuations.
2. Consumer Electronics: Used in devices like televisions and gaming consoles to maintain stable operation.
3. Automotive: Monitors microprocessor functions in ECUs and infotainment systems.
4. Industrial Equipment: Provides system reliability in PLCs and factory automation systems.
5. Computing and Networking: Employed in servers and routers for stable operation during power disturbances.
These supervisory circuits ensure systems only operate under proper voltage conditions, preventing data corruption and system crashes.

The MAX809LEUR is typically available in a small SOT-23 package. This package type is compact and suitable for space-constrained applications, making it ideal for use in various electronic devices requiring voltage monitoring and reset functions.