The R3111Q381A-TR-FE is a voltage detector IC manufactured by Ricoh. It is designed to monitor voltage levels in electronic circuits and provide a reset signal when the voltage drops below a certain threshold. This ensures proper operation and prevents data corruption in microcontrollers and other sensitive devices.

Applications

• Microcontroller reset circuits
• Power supply monitoring
• Battery monitoring
• System reset circuits
• Data protection
• Industrial control systems

Features

• Precise Voltage Detection: Accurately monitors voltage levels.
• Low Supply Current: Minimizes power consumption.
• Open Drain Output: Flexible output configuration.
• Small Package: Compact size for space-constrained applications.
• Hysteresis: Prevents oscillation during voltage transitions.
• Wide Operating Temperature Range: Suitable for use in various environments.

Benefits

• Improved System Reliability: Ensures proper system operation by providing a reset signal during undervoltage conditions.
• Data Protection: Prevents data corruption by resetting the system before the voltage drops too low.
• Extended Battery Life: Low power consumption minimizes battery drain.
• Compact Design: Small package allows for integration into miniature devices.
• Simplified Implementation: Easy to use with minimal external components.

Additional Details

The R3111Q381A-TR-FE features a detection voltage of 3.8V. It's packaged in a SOT-23-5 package. The operating temperature range is typically -40°C to +85°C. The supply voltage range is typically 1.6V to 5.5V. The device is RoHS compliant and halogen-free.