The LTC695CSW-3.3 is a sophisticated microprocessor supervisory circuit designed by Linear Technology to monitor power supplies in microprocessor systems. It provides a crucial function by ensuring that the microprocessor and its associated digital systems operate reliably over a wide range of conditions, including power-up, power-down, and brown-out events.

Key Features

• Precision Voltage Monitoring: The device is tailored to monitor 3.3V power supplies, with a precision of ±1.5% over the temperature range, ensuring that the system operates within safe voltage levels.
• Low Power Consumption: Designed for power-sensitive applications, the LTC695CSW-3.3 has a low supply current of 30µA, which helps in conserving battery life in portable devices.
• Reset Output: It features an active low reset output, which provides a clear indication whenever the monitored supply voltage falls below the preset threshold, allowing the system to reset safely.
• Reset Timing: The reset signal is guaranteed to remain asserted for a minimum of 200ms after the supply voltage rises above the reset threshold, ensuring proper system reboot.
• Wide Operating Temperature Range: The device operates over a temperature range of 0°C to 70°C, catering to commercial applications with standard temperature requirements.

Applications

The LTC695CSW-3.3 is versatile and can be used in a variety of applications where reliable voltage monitoring is critical. It is ideal for use in:

• Microprocessor systems
• Portable battery-powered equipment
• Computers and controllers
• Intelligent instruments
• Automotive systems

Product Specifications

The LTC695CSW-3.3 comes in a 16-pin surface-mount package, which is suitable for automated assembly processes. Its compact size and low power consumption make it an excellent choice for space-constrained applications.

In summary, the LTC695CSW-3.3 from Linear Technology is an essential component for systems requiring accurate voltage monitoring and reliable operation. Its precision, low power, and comprehensive feature set make it a valuable addition to any microprocessor-based system.