The R3112D311C-TR-FB is a voltage detector IC manufactured by Ricoh, designed for precise voltage monitoring in electronic circuits. This device is used to generate a reset signal when the input voltage drops below a specified threshold, preventing erratic behavior and ensuring reliable system operation. It is commonly employed in applications where stable voltage levels are critical for the proper functioning of microcontrollers and other sensitive components.

Applications

• Microcontroller reset circuits
• Power management in battery-powered systems
• Over/Under voltage protection
• Industrial control systems
• Portable electronic devices

Features

• High-accuracy detection voltage: 3.1V
• Low supply current
• Small package size: SOT-23-5
• Built-in hysteresis
• CMOS output
• Wide operating temperature range

Benefits

• Reliable Voltage Monitoring: High-accuracy detection prevents system malfunctions by accurately detecting undervoltage conditions.
• Extended Battery Life: Low current consumption maximizes battery life in portable applications.
• Compact Design: Small SOT-23-5 package allows for integration in space-constrained applications.
• Stable Operation: Built-in hysteresis ensures a clean reset signal, preventing oscillations due to noise.
• Easy Interfacing: CMOS output facilitates easy integration with digital circuits.
• Robust Performance: Wide operating temperature range ensures reliable operation in various environmental conditions.

The R3112D311C-TR-FB monitors a 3.1V voltage level and provides a CMOS output signal. This makes it appropriate for direct interface to CMOS logic or microcontroller I/O pins. The integration of hysteresis helps prevent false triggering from minor voltage variations. The device is housed in a small SOT-23-5 package for space savings. The low current consumption makes it suitable for power-sensitive applications. It is important to consult the datasheet for complete specifications to ensure appropriate application.