The MIC803-41D3VM3 is a voltage supervisor manufactured by Micrel, now part of Microchip Technology. It is designed to monitor the voltage level of a power supply and provide a reset signal to a microcontroller or other digital device when the voltage falls below a certain threshold. This ensures that the system starts up and operates correctly, preventing data corruption and other errors.

Applications:

• Microcontroller-based systems: Providing a reliable reset signal during power-up and brownout conditions.
• Embedded systems: Monitoring power supply voltage in various embedded applications.
• Industrial control equipment: Ensuring proper operation of industrial automation systems.
• Automotive electronics: Protecting sensitive electronic components in vehicles.
• Consumer electronics: Providing power-on reset functionality in various consumer devices.

Features:

• Precision voltage monitoring: Accurately monitors the power supply voltage.
• Adjustable reset timeout period: Allows the reset signal duration to be adjusted to meet specific system requirements.
• Open-drain output: Provides a flexible interface to microcontrollers and other digital devices.
• Low supply current: Minimizes power consumption.
• Small package: Saves board space in space-constrained applications.
• RoHS compliant: Meets environmental regulations.

Benefits:

• Enhanced system reliability: Prevents system malfunctions due to low voltage conditions.
• Improved data integrity: Protects against data corruption during power-up and brownout events.
• Simplified system design: Provides a simple and reliable solution for voltage monitoring and reset generation.
• Extended battery life: Low supply current minimizes power consumption in battery-powered applications.
• Cost-effective solution: Provides a cost-effective solution for voltage supervision.

Technical Specifications: The MIC803-41D3VM3 features a typical threshold voltage of 4.1V, a reset timeout period determined by an external capacitor, and a low supply current in the microampere range. The device is available in a small SOT-23 package. Consult the Microchip datasheet for more detailed specifications and application information.