The S-80818ALNP-EAF-T2 is a voltage detector IC produced by SII Semiconductor Corporation. This device is designed to monitor power supply voltages and provide a reset signal to microcontrollers (MCUs) or other digital circuits when the voltage drops below a specific threshold. This protects the MCU from operating with insufficient voltage, which could lead to errors or malfunctions. It's essential for preventing system failures caused by low voltage conditions, ensuring stable and reliable system operation.

Applications

• Microcontroller reset circuits
• Voltage monitoring in battery-powered devices
• Power failure detection
• System reset controllers
• Portable electronic devices

Features

• Detection Voltage: 1.8V
• High-Accuracy Detection Voltage
• Ultra-Low Current Consumption
• Small Package (SOT-23-3)
• Open-Drain Output

Benefits

• Ensures stable operation of MCUs and digital circuits
• Protects data integrity during voltage drops
• Extends battery life in portable applications due to low power consumption
• Simplifies circuit design with minimal external components
• Provides a reliable reset signal

Technical Specifications

The S-80818ALNP-EAF-T2 features a detection voltage of 1.8V. It boasts extremely low current consumption, typically in the microampere range, making it ideal for battery-operated devices. The device is packaged in a small SOT-23-3 package, which is beneficial for applications where board space is limited. It has an open-drain output, requiring a pull-up resistor. The operating temperature range is typically between -40°C and +85°C. Its primary function is to accurately monitor the input voltage and assert a reset signal when the voltage falls below the specified threshold, preventing erratic behavior in connected digital systems. The high accuracy of the voltage detection ensures reliable system resets.