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.
