The LM809M3-4.63 from Texas Instruments is a microprocessor supervisory circuit designed to monitor voltage levels within electronic systems, particularly ensuring that the microprocessor is reset to a known state during power-up, power-down, and brown-out conditions. This voltage supervisor is an essential component for reliable system operation and is commonly used in a variety of applications, including computers, controllers, and intelligent instruments.
Key Features
- Precision Voltage Monitoring: The LM809M3-4.63 is engineered to precisely monitor 4.63 volts, providing a stable and accurate threshold for system checks.
- Low Power Consumption: With its low power design, the device ensures minimal impact on the overall power budget of the system, making it suitable for power-sensitive applications.
- Reset Time Delay: The integrated delay feature allows for a tailored reset timing, ensuring that the system has adequate time to stabilize before normal operation resumes.
- Manual Reset Capability: A manual reset input allows for a system reset to be triggered externally, offering additional control and diagnostic capabilities.
- Compact SOT-23 Package: The small footprint of the SOT-23 package makes it ideal for space-constrained applications without compromising performance.
Applications
The LM809M3-4.63 is versatile and can be employed in various applications, including:
- Microprocessor, Microcontroller, or FPGA systems reset
- Portable and battery-powered equipment
- Intelligent instruments and sensors
- Automotive systems
- Industrial controls
Product Specifications
| Parameter |
Value |
| Threshold Voltage |
4.63V |
| Package Type |
SOT-23 |
| Operating Temperature |
-40°C to +125°C |
| Supply Current |
Typically 20 µA |
For detailed technical specifications, application notes, and support resources, visit the Texas Instruments official website or contact their customer support team.