STM1818SWX7F

The STM1818SWX7F is a low-power microprocessor reset circuit from STMicroelectronics. It is designed to monitor the power supply voltage in microprocessor systems and provide a reset signal to ensure proper system operation during power-up, power-down, and brownout conditions.

Key Features:

• Low Supply Current: Typically 2 µA, making it suitable for battery-operated devices.
• Precision Voltage Monitoring: Ensures accurate and reliable reset operations.
• Reset Threshold Voltage: Factory-set at 1.8V.
• Manual Reset Input: Allows for external reset control.
• Active-Low Reset Output: Ensures compatibility with various microprocessor systems.
• Push-Pull Output: Provides a robust reset signal.
• Wide Operating Voltage Range: Operates from 0.7V to 6V.
• Operating Temperature Range: -40°C to +85°C, suitable for industrial applications.
• Package: SOT-23-3, a small and compact form factor ideal for space-constrained designs.

Technical Specifications:

• Reset Threshold Voltage: 1.8V (nominal)
• Supply Voltage (Vcc): 0.7V to 6V
• Supply Current (Icc): 2 µA (typical)
• Reset Active Timeout: 150 ms (typical)
• Operating Temperature Range: -40°C to +85°C
• Package: SOT-23-3

Applications:

• Microprocessor and Microcontroller Systems: Ensures reliable operation during power transients.
• Battery-Powered Devices: Low power consumption makes it suitable for portable electronics.
• Embedded Systems: Used in various embedded applications for reliable reset control.
• Industrial Control: Suitable for monitoring power in industrial automation systems.
• Consumer Electronics: Applied in gadgets and appliances for proper power-up and power-down sequences.