MAX809SN293D3T1G

The MAX809SN293D3T1G is a microprocessor supervisory circuit designed to monitor the supply voltage in digital systems and microcontrollers. It is part of the MAX809 series, known for providing reliable voltage monitoring and reset functions. This device ensures that the microprocessor operates only when the supply voltage is within acceptable limits, thereby preventing erratic operation and potential damage due to undervoltage conditions.
Key features of the MAX809SN293D3T1G include:
1. Reset Threshold: The device monitors the supply voltage and triggers a reset if it falls below a preset threshold, which is typically 2.93V for this model.
2. Low Supply Current: The circuit is designed to consume minimal power, making it suitable for battery-operated applications.
3. Precision Monitoring: It offers precise voltage threshold detection with minimal variation over temperature and supply voltage changes.
4. Reset Output: The MAX809 provides an active-low reset output, which ensures compatibility with most microprocessors and microcontroller reset input configurations.
5. Compact Package: It is available in small SOT-23 packages, making it ideal for space-constrained applications.
Overall, the MAX809SN293D3T1G is an essential component for maintaining stable operation in low-voltage digital systems.

The MAX809SN293D3T1G is a microprocessor supervisory circuit designed to monitor the power supply voltage in microprocessor systems. Key features include:
1. Precision Monitoring: It provides a precise reset threshold at 2.93V, ensuring reliable operation by preventing microprocessor operations at low voltages.

2. Reset Functionality: The device generates a reset signal when the power supply voltage falls below the threshold, maintaining the reset as long as the voltage remains low and for a specific reset timeout period after voltage recovery.
3. Low Supply Current: The circuit operates with a low supply current, typically around 3µA, which is beneficial for battery-powered applications.
4. Automatic Reset: Ensures that the system can automatically recover from voltage dips without manual intervention.
5. Wide Operating Range: It functions over a wide range of temperatures, making it suitable for various environmental conditions.
6. Compact Package: Available in a small SOT-23 package, it saves board space, which is critical in compact or portable devices.
These features make the MAX809SN293D3T1G suitable for enhancing the reliability and performance of microprocessor-based systems by ensuring proper startup and preventing erratic behavior during power fluctuations.

The MAX809SN293D3T1G is a microprocessor reset circuit packaged in a SOT-23-3 (Small Outline Transistor) configuration. This package type is compact, suitable for surface-mount technology, and typically used in space-constrained applications to provide reliable reset functionality for microcontrollers and digital systems.

The MAX809SN293D3T1G is a microprocessor supervisory circuit with a specific function to monitor supply voltage levels and provide a reset signal to a microprocessor. This device typically comes in a SOT-23 package which has 3 pins. The pin functions are as follows:
1. Pin 1 (GND): Ground pin, serves as the reference point for all voltages.
2. Pin 2 (RESET or RESET̅): The reset output pin, which can be either active-low (RESET̅) or active-high (RESET) depending on the specific version of the device. It is used to reset the microprocessor when the monitored voltage falls below the specified threshold.
3. Pin 3 (VCC): Supply voltage pin, connected to the voltage that is being monitored.
The MAX809 series is designed to monitor the supply voltage and issue a reset signal to ensure the microprocessor operates correctly during power-up, power-down, and brown-out conditions.

The MAX809SN293D3T1G is manufactured by ON Semiconductor, now known as onsemi. Onsemi is a semiconductor company that focuses on designing and manufacturing a wide range of semiconductor components, including power management, analog, sensors, logic, timing, connectivity, discrete, system-on-chip (SoC), and custom devices. The company serves various markets, including automotive, industrial, consumer electronics, communications, computing, and aerospace/defense. Onsemi is known for its emphasis on energy-efficient solutions and innovation in semiconductor technology.

The MAX809SN293D3T1G is a microprocessor supervisory circuit used primarily for monitoring power supply voltage levels in electronic systems. Its application areas include ensuring proper system resets in microcontrollers, microprocessors, and digital signal processors. It is commonly used in consumer electronics, industrial control systems, and automotive electronics to prevent system malfunctions due to undervoltage conditions. The device provides a reset output when the monitored voltage falls below a specified threshold, thereby safeguarding data integrity and system reliability.

The MAX809SN293D3T1G is a voltage monitoring IC. Equivalent products include:
1. MCP100 by Microchip Technology
2. TPS3839 by Texas Instruments
3. ADM809 by Analog Devices
4. STM809 by STMicroelectronics
These alternatives offer similar functionality, including reset threshold voltage monitoring and active-low reset outputs. Always verify pin compatibility and electrical characteristics before substitution.