The MIC803-29D3VM3 is a voltage monitoring circuit manufactured by Micrel. It's designed to monitor the supply voltage of a system and provide a reset signal when the voltage falls below a specified threshold. This is essential for preventing microprocessor or microcontroller malfunctions caused by brownout conditions.

Applications

• Microprocessor/Microcontroller reset control.
• Voltage monitoring in embedded systems.
• Power supply monitoring.
• Portable electronics.
• Industrial control systems.

Features

• Precision voltage monitoring.
• Fixed threshold voltage of 2.93V.
• Active-low reset output.
• Open-drain output.
• Manual reset input.
• Small SOT-23 package.

Benefits

• Prevents system malfunction due to low voltage conditions.
• Ensures proper system initialization after a power failure.
• Improves system reliability.
• Simplifies reset circuitry design.
• Reduces board space requirements.

Additional Details

The MIC803-29D3VM3 has a typical reset timeout period of 140ms. The supply voltage range is typically 1.6V to 5.5V. The operating temperature range is typically -40°C to +85°C. The package is a SOT-23. The reset output is active low and open drain, requiring a pull-up resistor. Consult the manufacturer's datasheet for complete specifications, including threshold accuracy, propagation delay, and other critical parameters to ensure proper and reliable operation in your application.