The S-80840ALNP-EA4-T2 is a voltage detector integrated circuit (IC) manufactured by SII Semiconductor Corporation. This component is designed to monitor the input voltage and provide a reset signal when the voltage drops below a specified threshold. This function is essential for ensuring the stable operation and preventing malfunctions in microcontroller-based systems and other electronic devices.

Applications

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

Features

• High-accuracy voltage detection
• Low current consumption
• Small package size (SOT-89-3)
• Wide operating voltage range
• Hysteresis characteristics

Benefits

• Improved system reliability by preventing malfunctions due to voltage drops
• Extended battery life in portable devices due to low power consumption
• Reduced board space requirements
• Stable operation over a wide range of temperatures and voltages
• Noise immunity due to hysteresis

Additional Details

The S-80840ALNP-EA4-T2 features a detection voltage of 4.0V. It incorporates hysteresis to prevent oscillations or false triggering when the input voltage is near the detection threshold. The output is an N-channel open drain, requiring a pull-up resistor for proper operation. The device is designed to operate reliably over a wide temperature range, making it suitable for use in harsh industrial and automotive environments. The low current consumption makes it an excellent choice for battery-powered applications where minimizing power drain is critical. Its small size allows for easy integration into densely packed circuit boards.

This voltage detector is a crucial component in any system where reliable power supply monitoring and reset functionality are required. Its high accuracy, low power consumption, and small size make it an ideal choice for a wide range of applications. The S-80840ALNP-EA4-T2 helps to improve the overall robustness and dependability of electronic systems by providing a reliable reset signal in response to voltage fluctuations or failures.