The SGM803B-SXN3LG/TR is a microprocessor reset circuit manufactured by SG Micro Corp. These circuits are designed to monitor the supply voltage of a microprocessor and provide a reset signal when the voltage falls below a certain threshold, preventing erratic behavior and ensuring proper system startup.

Applications:

• Microprocessor Systems: Monitoring the supply voltage of microprocessors and providing a reset signal during power-up, power-down, or brownout conditions.
• Microcontroller Systems: Similar to microprocessor systems, ensuring proper operation of microcontrollers.
• Embedded Systems: Providing a reliable reset function for embedded systems.
• Industrial Control Systems: Ensuring stable operation of control systems.
• Automotive Electronics: Providing a reset function in automotive electronic systems.

Features:

• Precision Voltage Monitoring: Accurately monitors the supply voltage.
• Reset Output: Provides an active-low reset signal.
• Fixed Reset Threshold: Has a pre-defined voltage threshold for reset activation.
• Low Power Consumption: Minimizes power consumption in the system.
• Small Package: Compact package size for space-constrained applications.

Benefits:

• Reliable System Startup: Ensures proper system initialization after power-up.
• Data Protection: Prevents data corruption during power failures.
• System Stability: Improves system stability by preventing erratic operation.
• Simplified Design: Simplifies the design of microprocessor and microcontroller systems.
• Low Cost: Provides a cost-effective solution for reset monitoring.

Additional Details:

The SGM803B-SXN3LG/TR has a specific reset threshold voltage and reset timeout period. Details about these parameters can be found in the SG Micro Corp datasheet. It is important to choose a reset circuit with a threshold voltage appropriate for the microprocessor or microcontroller being used. Consideration should be given to the power supply characteristics and potential brownout conditions. Refer to the datasheet for detailed electrical characteristics and application guidelines.