The R3111D191C-TR-FA is a highly precise voltage detector IC manufactured by Ricoh. This component is designed to monitor voltage levels and generate a reset signal when the voltage falls below a specified threshold. Its primary function is to safeguard microcontrollers and other sensitive electronic components from damage or malfunction caused by undervoltage conditions. This makes it an essential component in battery-powered devices, power supply monitoring systems, and various embedded applications where voltage stability is critical.

Applications:

• Microcontroller Reset Circuits
• Battery-Powered Devices
• Power Supply Monitoring
• Embedded Systems
• Portable Electronics

Features:

• Low Supply Current
• High-Accuracy Voltage Detection
• Built-in Hysteresis
• Small Package Size
• Wide Operating Temperature Range
• Open Drain Output
• Fast Transient Response
• RoHS Compliant

Benefits:

• Prevents Microcontroller Malfunctions
• Protects Against Data Corruption
• Extends Battery Life in Portable Devices
• Improves System Reliability
• Simplifies Circuit Design
• Reduces Board Space
• Ensures Environmental Compliance

Additional Details:

The R3111D191C-TR-FA is engineered for applications that demand reliable and precise voltage monitoring. The IC's low supply current contributes to extending battery life in portable devices, making it ideal for energy-sensitive applications. Its high-accuracy voltage detection ensures that the reset signal is asserted only when the voltage truly falls below the specified threshold, preventing false triggers. The built-in hysteresis enhances stability by preventing oscillations around the threshold voltage. The small package size facilitates integration into compact electronic designs.

The IC's wide operating temperature range guarantees consistent performance across various environmental conditions. The open-drain output provides flexibility in interfacing with other circuitry. The R3111D191C-TR-FA's fast transient response enables quick detection of voltage drops, minimizing the risk of data corruption or system crashes. Compliance with RoHS standards ensures that the device is environmentally friendly and meets regulatory requirements. The combination of its features and benefits makes the R3111D191C-TR-FA a dependable and cost-effective solution for voltage monitoring and protection in a broad range of electronic systems.