The R3112D271A-TR-FA is a voltage detector IC manufactured by Ricoh. It's primarily used for monitoring voltage levels within electronic circuits and triggering a reset signal when the voltage drops below a specified threshold. This function is crucial for maintaining the stability and preventing malfunctions in various electronic systems.

Applications

• Microcontroller reset circuits
• Power supply monitoring
• Battery-powered devices
• Industrial control systems
• Consumer electronics

Features

• High-accuracy detection voltage: 2.7V
• Low supply current
• Small package size: SOT-23-5
• Built-in hysteresis
• Open drain output
• Operating temperature range: -40°C to +85°C

Benefits

• Reliable voltage monitoring: The precise detection voltage ensures accurate voltage supervision, preventing erratic behavior caused by undervoltage conditions.
• Extended battery life: Low power consumption optimizes battery usage, extending operational time for portable devices.
• Space-efficient design: The compact SOT-23-5 package allows for integration into densely populated circuit boards.
• Stable reset signal: The built-in hysteresis prevents false triggering of the reset signal due to voltage fluctuations.
• Flexible system integration: Open drain output allows for easy connection to various logic circuits.
• Robust performance: The wide operating temperature range ensures reliable operation in diverse environmental conditions.

The R3112D271A-TR-FA has a detection voltage threshold of 2.7V. The open drain output requires an external pull-up resistor. This voltage detector is commonly used to prevent microcontrollers from operating with insufficient voltage. It is essential for systems requiring stable and reliable operation. The device's small footprint makes it suitable for use in compact devices. The specific detection voltage is important for selecting the right component for the system's operating parameters.