The CAT809LTBI-T3 from ON Semiconductor is a high-performance supervisory circuit designed to keep microprocessor systems safe during power failures or unexpected behavior. This device is an essential component for any system requiring a reliable reset mechanism, ensuring that all processes start from a known state after a power disturbance.

Key Features

• Precision Monitoring: With precise power supply monitoring, the CAT809LTBI-T3 ensures that the voltage levels remain within safe operating limits, triggering a reset if any deviation is detected.
• Low Power Consumption: This device is optimized for low power consumption, making it ideal for battery-operated applications where power efficiency is crucial.
• Manual Reset Capability: An additional feature of the CAT809LTBI-T3 is the manual reset input, allowing for a system reset to be initiated by external events or user interaction.
• Reset Timeout: It offers a fixed reset timeout delay, providing enough time for the system to stabilize before resuming operation.
• Temperature Stability: The supervisory circuit operates over a wide temperature range, ensuring reliable performance in various environmental conditions.

Applications

The CAT809LTBI-T3 is suitable for a wide range of applications, including:

• Computers and Computer Peripherals
• Embedded Systems
• Portable/Battery-Powered Equipment
• Industrial Controllers
• Automotive Systems

Technical Specifications

The CAT809LTBI-T3 is available in a 3-pin SOT-23 package and has the following technical specifications:

• Voltage Threshold Options: Available in multiple reset threshold voltages to match specific system requirements.
• Output Type: Active Low, Open Drain
• Operating Voltage Range: 1.0V to 5.5V
• Operating Temperature Range: -40°C to +85°C

With its robust design and comprehensive features, the ON Semiconductor CAT809LTBI-T3 supervisory circuit is a reliable solution for system reset and monitoring needs across various applications.