The R3111Q271C-TR-F is a voltage detector IC manufactured by Ricoh Electronic Devices Co., Ltd. It's part of their R3111 series, which are high-accuracy voltage detector ICs with a built-in delay circuit. These ICs are designed for system reset and voltage monitoring in various electronic devices.

Applications

• Microcontroller Reset Circuits: Used to monitor the power supply voltage and reset the microcontroller if the voltage drops below a certain threshold, preventing erroneous operation.
• Power Supply Monitoring: Provides a reliable way to monitor the stability of power supplies in electronic devices.
• Battery Monitoring: Can be used to detect low battery conditions in battery-powered devices.
• System Reset Circuits: Implements a reset function for various digital systems to ensure proper initialization.
• Industrial Control Systems: Provides voltage monitoring and reset capabilities for sensitive control equipment.

Features

• High Accuracy Detection Voltage: Offers a highly accurate detection voltage threshold, ensuring precise voltage monitoring. The specific detection voltage for R3111Q271C-TR-F is 2.7V.
• Built-in Delay Circuit: Includes an internal delay circuit that prevents false resets due to transient voltage drops.
• Low Supply Current: Consumes very little current, making it suitable for battery-powered applications.
• Small Package: Available in a compact package (SOT-23-5), saving board space.
• Open Drain Output: Features an open drain output, allowing for flexible connection to other circuits.
• Operating Voltage Range: Wide operating voltage range to accommodate various power supply voltages.

Benefits

• Reliable System Reset: Ensures a reliable system reset function, preventing system crashes and data corruption.
• Improved System Stability: Monitors the power supply voltage and resets the system if the voltage drops below a critical level, enhancing system stability.
• Extended Battery Life: Low supply current consumption extends battery life in portable devices.
• Simplified Circuit Design: Integrated delay circuit simplifies circuit design and reduces the number of external components required.
• Space Saving: Small package size saves valuable board space.

Additional Details

The R3111Q271C-TR-F has a detection voltage of 2.7V. The output is an N-channel open drain. The operating temperature ranges from -40°C to +85°C. The device is RoHS compliant.