The R3111D241A-TR-F is a voltage detector IC manufactured by Ricoh Electronic Devices Co., Ltd. This integrated circuit is designed to monitor the voltage level of a power supply and generate a reset signal when the voltage falls below a predefined threshold. It is commonly used to protect microcontrollers and other sensitive electronic components from damage or malfunction due to undervoltage conditions.

Applications:

• Microcontroller Reset Circuits
• Battery-Powered Devices
• Power Supply Monitoring
• Memory Protection Circuits
• Industrial Control Systems

Features:

• Low Supply Current
• High Accuracy Voltage Detection
• Built-in Hysteresis
• Small Package Size (SOT-23-5)
• Wide Operating Temperature Range (-40°C to +85°C)
• Open Drain Output
• Fast Transient Response
• RoHS Compliant

Benefits:

• Prevents Microcontroller Malfunctions and Data Corruption
• Extends Battery Life in Portable Devices
• Ensures Reliable System Operation
• Simplifies Circuit Design
• Reduces Board Space Requirements
• Provides Cost-Effective Voltage Monitoring Solution

Additional Details:

The R3111D241A-TR-F boasts a low supply current, making it suitable for applications where power consumption is a critical concern, such as battery-powered devices. Its high accuracy voltage detection ensures reliable triggering of the reset signal when the voltage drops below the specified threshold (2.4V in this case). The built-in hysteresis prevents oscillations and ensures a stable reset signal, even in the presence of noisy power supplies. The SOT-23-5 package allows for compact integration into space-constrained designs.

The wide operating temperature range guarantees reliable performance in diverse environmental conditions. The open-drain output provides flexibility in interfacing with various microcontrollers and other digital circuits. The fast transient response ensures that the reset signal is asserted quickly in response to voltage dips, minimizing the risk of data corruption or system crashes. The RoHS compliance ensures that the device meets environmental regulations regarding hazardous substances. In summary, the R3111D241A-TR-F provides a robust and cost-effective solution for voltage monitoring and protection, enhancing the reliability and stability of electronic systems.