The MIC803-30D3VC3TR is a voltage supervisor manufactured by Micrel (now Microchip Technology). It is designed to monitor the input voltage and assert a reset signal when the voltage falls below a predefined threshold. This functionality is crucial in preventing data corruption and ensuring proper system operation in microcontroller-based applications during power-up, power-down, or brownout conditions.

Applications:

• Microcontroller Reset Circuits: Generates a reset signal to ensure proper microcontroller initialization after power-up or during brownout conditions.
• Power Supply Monitoring: Detects undervoltage conditions and initiates system shutdown or other protective actions.
• Memory Protection: Prevents data corruption in memory devices during voltage fluctuations.
• Embedded Systems: Provides a reliable reset function for embedded systems.

Features:

• Precise Voltage Monitoring: Ensures accurate detection of undervoltage conditions.
• Low Supply Current: Minimizes power consumption in battery-powered applications.
• Small Package Size: Facilitates integration into compact electronic devices.
• Open-Drain Output: Provides flexibility in interfacing with various microcontroller reset inputs.

Benefits:

• Improved System Reliability: Prevents system crashes and data corruption due to voltage fluctuations.
• Simplified System Design: Reduces the complexity of reset circuitry.
• Enhanced System Stability: Ensures stable and predictable system behavior.
• Protection Against Data Corruption: Prevents loss of data during power failures or voltage dips.

Technical Specifications:

The MIC803-30D3VC3TR has a threshold voltage of 3.0V. Key specifications include the supply voltage range, threshold accuracy, reset timeout period, and supply current. Refer to the datasheet for detailed technical specifications.