The Ricoh R3112Q131A is a voltage detector IC designed for use in a variety of electronic devices. It is manufactured by Ricoh and comes in a small package suitable for compact applications. This voltage detector offers a precise and reliable way to monitor voltage levels within a circuit, providing a reset signal when the voltage drops below a predetermined threshold.

Applications

• Microcontroller reset circuits
• Power management systems
• Battery-powered devices
• Voltage monitoring in automotive applications
• Industrial control systems

Features

• High-accuracy detection voltage
• Low supply current
• Small package size
• Built-in hysteresis
• Open drain output

Benefits

• Ensures stable system operation by preventing malfunction during voltage drops.
• Extends battery life due to low current consumption.
• Facilitates compact design in space-constrained applications.
• Provides noise immunity with built-in hysteresis.
• Offers flexibility in system design with open drain output.

Additional Details

The R3112Q131A features a detection voltage of 1.3V. It is available in a SOT-23-5 package. The IC operates over a wide temperature range, making it suitable for use in various environments. The open drain output requires an external pull-up resistor. It is designed to provide a reliable reset signal to microcontrollers and other digital circuits, preventing erratic behavior during power-up or brown-out conditions. Its low supply current consumption makes it ideal for portable and battery-operated devices where power efficiency is critical.