The R3131N45EC-TR is a voltage detector IC manufactured by Ricoh. This IC is designed to monitor voltage levels and provide a reset signal when the voltage falls below a specified threshold. It's particularly useful in applications requiring precise and reliable voltage monitoring to ensure system stability and prevent malfunctions. This model is supplied in tape and reel packaging for automated assembly processes.

Applications:

• Microcontroller reset circuits
• Power management in portable devices
• Over/Under voltage protection
• Battery voltage monitoring
• Industrial control systems

Features:

• High accuracy voltage detection
• Low supply current consumption
• Small package size (SOT-23)
• Built-in hysteresis for stable operation
• Open drain output

Benefits:

• Ensures reliable system operation by preventing malfunctions due to low voltage.
• Extends battery life in portable applications due to low power consumption.
• Simplifies circuit design with minimal external components required.
• Reduces board space due to small package size.
• Provides stable and accurate voltage detection even in noisy environments.

Additional Details:

The R3131N45EC-TR features a detection voltage of 4.5V. The device operates with a low supply current, typically in the microampere range, making it suitable for battery-powered applications. The hysteresis characteristic prevents chattering and ensures stable operation. The open drain output allows flexible connection to various microcontrollers and other digital circuits. This IC is commonly used in various electronic devices to monitor the supply voltage and generate a reset signal when the voltage falls below the threshold. It is designed for high reliability and is available in a small SOT-23 package. This product is RoHS compliant.