The S-T111B18MC-0GDTFG is a voltage detector IC manufactured by SII Semiconductor Corporation. It's designed to monitor voltage levels in electronic circuits and trigger a reset signal when the voltage drops below a certain threshold. This functionality is critical for ensuring the stable operation of microcontrollers and other sensitive components.

Applications

• Microcontroller reset circuits: Ensures proper initialization and prevents erratic behavior in microcontrollers.
• Power supply monitoring: Detects undervoltage conditions in power supplies.
• Battery-powered devices: Monitors battery voltage and prevents deep discharge.
• System supervisory circuits: Provides a reliable reset signal for system-level monitoring.
• Industrial control systems: Monitors critical voltage rails in industrial equipment.

Features

• High-accuracy detection voltage: Precise voltage monitoring for reliable reset triggering.
• Low current consumption: Minimizes power drain in battery-powered applications.
• Small package size: Space-saving design for compact electronic devices.
• Open-drain output: Flexible interface for various microcontroller and system architectures.
• Operating voltage range: Suitable for a wide range of voltage levels.
• Hysteresis: Prevents oscillations near the detection threshold.

Benefits

• Ensures stable system operation: Prevents data corruption and system crashes due to voltage fluctuations.
• Protects against deep discharge: Extends battery life in portable devices.
• Simplifies system design: Provides a reliable and easy-to-implement voltage monitoring solution.
• Improves system reliability: Reduces the risk of malfunction caused by undervoltage conditions.
• Reduces power consumption: Minimizes power drain in low-power applications.

Additional Details

The S-T111B18MC-0GDTFG features a detection voltage of 1.8V. The output type is N-channel open drain. It is typically available in a small SOT-23 package. The device operates over a temperature range suitable for most commercial and industrial applications. The hysteresis characteristic ensures stable operation even with noisy power supplies. The precise detection voltage ensures correct reset operation, especially critical in sensitive microcontroller applications.

This voltage detector is designed for applications where precise voltage monitoring and a reliable reset signal are required. Its low power consumption makes it ideal for battery-powered devices, while its robust design ensures reliable operation in harsh environments.