The PST8123UR is a voltage detector IC manufactured by Mitsumi Electric. It's designed to monitor the voltage levels in electronic circuits and generate a reset signal when the voltage drops below a certain threshold. This feature is crucial for preventing data corruption and ensuring the stable operation of microcontrollers and other sensitive components.

Applications:

• Microcontroller reset circuits
• Power supply monitoring
• Battery-powered devices
• System power management
• Voltage supervision

Features:

• Low Power Consumption
• High-Precision Detection Voltage
• Built-in Hysteresis
• Small Package
• Open Drain Output

Benefits:

• The PST8123UR ensures stable system operation by monitoring the supply voltage and generating a reset signal when needed.
• Its low power consumption makes it suitable for battery-powered and energy-efficient devices.
• The high-precision detection voltage guarantees accurate voltage monitoring.
• Built-in hysteresis prevents unwanted oscillations around the threshold voltage.
• The small package allows for easy integration into compact electronic devices.

Technical Specifications:

The PST8123UR voltage detector typically operates with a supply voltage ranging from 1.0V to 5.5V. The detection voltage is factory-preset to specific threshold levels. It features low supply current consumption, typically in the microampere (µA) range. The operating temperature range is usually from -40°C to +85°C, making it suitable for various environmental conditions. It's available in small surface-mount packages, such as SOT-23 or similar, for easy integration into high-density circuit boards. It's commonly used in applications where reliable voltage monitoring is critical for proper system operation.