The XC61FN1812MRN is a voltage detector IC manufactured by Torex Semiconductor Ltd. It is designed to accurately monitor voltage levels in electronic circuits and provide a reliable reset signal when the voltage drops below a specified threshold. This particular model features a detection voltage of 1.8V, making it suitable for systems operating at or near that voltage. The device is offered in a small SOT-25 package, ideal for space-constrained applications.

Applications

• Microcontroller reset circuits
• Power supply monitoring
• Battery-powered devices
• Real-time clocks (RTC)
• Portable electronic devices

Features

• High-accuracy detection voltage: 1.8V
• Low power consumption
• Hysteresis characteristics
• Small SOT-25 package
• Open drain output
• Operating ambient temperature: -40°C ~ +85°C

Benefits

• Reliable system reset: Ensures proper system startup and prevents malfunctions due to low voltage conditions.
• Extended battery life: Low current consumption minimizes drain on battery-powered devices.
• Compact design: The small SOT-25 package allows for integration into densely populated circuit boards.
• Simplified circuit design: Built-in hysteresis prevents oscillations near the threshold voltage, simplifying the reset circuit design.
• Stable operation: Wide operating temperature range allows for use in various environments.

Additional Details

The XC61FN1812MRN utilizes a precise internal reference voltage and comparator to accurately detect the input voltage. The open drain output allows for flexible interfacing with various logic levels. The built-in hysteresis ensures stable operation by preventing the output from oscillating when the input voltage is near the detection threshold. This voltage detector provides a reliable and cost-effective solution for voltage monitoring and system reset functions.