The R3111H461C is a voltage detector IC manufactured by Ricoh. It is designed to monitor voltage levels and generate a reset signal when the voltage falls below a pre-determined threshold. This is commonly used in microprocessor and microcontroller-based systems to ensure proper startup and prevent data corruption during power failures. It has a fixed detection voltage of 4.6V.

Applications:

• Microprocessor reset circuits.
• Microcontroller reset circuits.
• Power monitoring in battery-powered devices.
• System monitoring in embedded systems.
• Voltage supervision in power supplies.

Features:

• High-Accuracy Detection Voltage.
• Low Supply Current.
• Built-in Hysteresis.
• Small Package Size.

Benefits:

• Reliable system startup.
• Prevention of data corruption.
• Extended battery life in portable devices.
• Compact design for space-constrained applications.

The R3111H461C provides a reliable reset signal, ensuring that the microprocessor or microcontroller starts up correctly and operates within safe voltage limits. The high-accuracy detection voltage and built-in hysteresis prevent false resets due to minor voltage fluctuations. The low supply current helps to minimize power consumption, especially in battery-powered devices. The small package size allows for easy integration into compact electronic systems. Consult the datasheet for detailed specifications and application guidelines.