The S-80818ANNP is a voltage detector IC manufactured by SII Semiconductor Corporation. This device is designed to monitor the input voltage and provide a reset signal to a microcontroller (MCU) or other digital circuit when the voltage drops below a pre-defined threshold. The voltage detection ensures the MCU operates within safe voltage limits preventing erroneous operation or data corruption. This is critical for reliable system performance.

Applications

• Microcontroller Reset Circuits
• CPU Reset Circuits
• Power Supply Monitoring
• Battery-Powered Devices
• System Power Management

Features

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

Benefits

• Prevents system malfunctions due to voltage drops
• Ensures data integrity by resetting the system during undervoltage conditions
• Extends battery life in portable devices due to low current consumption
• Saves board space due to its compact size
• Easy implementation with minimal external components

Technical Specifications

The S-80818ANNP boasts a detection voltage of 1.8V. Its current consumption is remarkably low, typically in the microampere range. It is available in a small SOT-23 package, ideal for space-constrained applications. It features an open-drain output, requiring an external pull-up resistor. The operating temperature range generally spans from -40°C to +85°C. Its purpose is to accurately monitor voltage levels and initiate a reset when the voltage falls below the specified threshold, preventing unpredictable digital system behavior. The high level of accuracy in voltage detection facilitates dependable system resets. It is widely employed in devices requiring stable and trustworthy voltage monitoring.