The LTC690CN8#PBF is a high-quality microprocessor supervisory circuit designed by Linear Technology to ensure reliable operation of microprocessor systems during power failures. This essential component monitors the supply voltage of a microprocessor and provides a number of safety features to safeguard the system against unpredictable conditions such as power failures, brownouts, and system malfunctions.

Key Features

• Voltage Monitoring: The device keeps a constant watch on the power supply voltage, ensuring that it remains within acceptable thresholds for the microprocessor to function correctly.
• Power Failure Warning: Before the power supply drops below a safe level, the LTC690CN8#PBF issues a warning, allowing the system to initiate a proper shutdown sequence.
• Low Battery Detection: It includes a feature to detect low battery conditions, which is crucial for battery-powered applications to prevent data loss and hardware damage.
• Automatic Reset: Upon detection of a power fault, the device automatically resets the microprocessor when the power supply returns to a safe level.
• Reset Timeout: A built-in delay ensures that the reset signal is maintained for an adequate period, allowing the microprocessor to stabilize after a reset.
• Temperature Range: The LTC690CN8#PBF operates over a wide temperature range, making it suitable for various environmental conditions.
• Precision Voltage Reference: A high-accuracy voltage reference ensures reliable operation and reset threshold accuracy.

Applications

The LTC690CN8#PBF is ideal for a broad range of applications where microprocessor integrity is critical. These include:

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

Product Specifications

The LTC690CN8#PBF comes in an 8-pin PDIP package, providing easy integration into system designs. It is characterized by its robustness and high reliability, with a precision-trimmed reset threshold and a wide supply voltage range. The device is RoHS compliant, adhering to environmental standards for electronic components.

For engineers and system designers looking for a dependable supervisory circuit to enhance system stability and safety, the LTC690CN8#PBF from Linear Technology stands out as an excellent choice.