The R3112Q301C-TR-F is a voltage detector integrated circuit manufactured by Ricoh Electronic Devices. This IC is designed to monitor voltage levels and generate a reset signal when the voltage drops below a predetermined threshold. The suffix "-TR-F" indicates that the component is supplied in tape and reel packaging for automated assembly and that it is a lead-free product.

Applications

• Microcontroller Reset Circuits: Ensures proper reset of microcontrollers during power-up or during voltage drop events.
• Power Supply Monitoring: Monitors the output voltage of power supplies and alerts if the voltage goes out of the specified range.
• Battery-Powered Devices: Protects battery-powered devices by shutting down the system when the battery voltage is too low.
• System Voltage Monitoring: Provides general voltage monitoring in various electronic systems to maintain stable operation.

Features

• High-Accuracy Detection Voltage: Accurate and reliable voltage monitoring.
• Low Supply Current: Minimizes power consumption, making it suitable for battery-powered applications.
• Small Package Size: Compact package for space-constrained applications.
• Built-in Hysteresis: Prevents output chattering and ensures stable switching.
• Tape and Reel Packaging: Facilitates automated assembly processes.
• Lead-Free: Complies with environmental regulations.

Benefits

• Improved System Reliability: Protects circuits from voltage fluctuations, enhancing overall system reliability.
• Data Protection: Prevents data corruption in memory devices due to low voltage conditions.
• Extended Battery Life: Low power consumption contributes to longer battery life in portable devices.
• Simplified Circuit Design: Integrated features simplify circuit design and reduce component count.
• Cost-Effective: Provides a reliable and cost-effective voltage monitoring solution.

Additional Details

The R3112Q301C-TR-F typically requires an external pull-up resistor on its output due to its open-drain configuration. The specific voltage detection threshold is provided in the datasheet and should be selected based on the application requirements. The operating temperature range and other electrical characteristics should also be considered for reliable operation. It finds widespread use in electronic devices where accurate and dependable voltage monitoring is crucial for preventing failures and ensuring consistent performance.