The R3116N421A-TR-FE is a voltage detector IC manufactured by Ricoh. It is designed to monitor voltage levels and generate a reset signal when the voltage drops below a specified threshold. This is crucial for protecting microcontrollers and other sensitive components from malfunctioning due to undervoltage conditions.

Applications

• Microcontroller Reset Circuits
• Power Supply Monitoring
• Battery Backup Systems
• System Reset in Embedded Systems
• Data Protection in Memory Devices
• Industrial Control Equipment

Features

• High-Accuracy Voltage Detection: Ensures precise monitoring of voltage levels.
• Low Supply Current: Minimizes power consumption, making it suitable for battery-powered applications.
• CMOS Output: Compatible with a wide range of digital circuits.
• Small Package: Allows for space-saving designs.
• Hysteresis: Prevents chattering or oscillations around the threshold voltage.
• Wide Operating Temperature Range: Suitable for use in diverse environmental conditions.

Benefits

• Enhanced System Reliability: Protects against data corruption and system instability due to low voltage conditions.
• Extended Battery Life: Low power consumption contributes to longer battery life in portable devices.
• Simplified System Design: Easy to integrate with minimal external components.
• Compact Solution: Small package allows for integration into space-constrained applications.
• Stable Performance: Provides reliable voltage detection over a wide range of operating conditions.

Additional Details

The R3116N421A-TR-FE has a detection voltage of 4.2V. It is packaged in a SOT-23-5 package. The typical operating temperature range is -40°C to +85°C. The supply voltage range is typically 1.6V to 5.5V. The device complies with RoHS requirements.