LTC691CN - Microprocessor Supervisory Circuits

The LTC691CN, designed by Linear Technology, is a highly reliable microprocessor supervisory circuit that ensures proper functioning of microprocessor systems during power-up, power-down, and brown-out conditions. This integrated circuit (IC) provides a precise monitoring solution for 5V power supplies, which is essential for safeguarding digital systems and preventing data corruption or loss.

Key Features

• Precision Voltage Monitoring: The LTC691CN is designed to monitor 5V power supplies with a high degree of accuracy, ensuring that the microprocessor has a stable voltage supply for reliable operation.
• Power Supply Glitch Immunity: This IC guarantees glitch-free power-up and power-down sequences, thereby preventing any unintended resets due to transient voltage fluctuations.
• Low Power Consumption: With its low quiescent current, the LTC691CN is an energy-efficient solution that contributes to the overall power management strategy of the system.
• Reset Timeout: A built-in delay provides a reset timeout period after power is stable, allowing enough time for the microprocessor and the system to initialize properly.
• Manual Reset Input: The inclusion of a manual reset input offers an additional layer of control to system designers, enabling a reset to be triggered as needed.

Applications

The LTC691CN is versatile and can be employed in a variety of applications where reliable system operation is critical. These include:

• Microprocessor systems
• Computers and computer peripherals
• Embedded systems
• Portable/battery-powered equipment
• Industrial control systems

Product Specifications

The LTC691CN is offered in an 8-pin PDIP (Plastic Dual In-line Package), making it suitable for through-hole PCB mounting. It operates over the temperature range of 0°C to 70°C, which aligns with commercial temperature requirements. Its precise voltage threshold and low power consumption make it an ideal choice for systems where power efficiency and reliability are paramount.

Linear Technology's commitment to high-quality and performance is evident in the LTC691CN, making it a trusted component for safeguarding microprocessor-based systems against power-related issues.