The MN13821S-U is a voltage detector IC manufactured by Panasonic. It's designed to monitor voltage levels in electronic circuits and provide a reset signal when the voltage drops below a certain threshold. This function is crucial for preventing malfunctions and data corruption in microcontrollers, memory devices, and other sensitive electronic components.
Applications:
- Microcontroller reset circuits
- Power supply monitoring
- Battery backup systems
- Voltage monitoring in consumer electronics
- Industrial control systems
Features:
- Low Supply Current
- High-Accuracy Detection Voltage
- Built-in Hysteresis
- Open Drain Output
- Small Package Size
Benefits:
- The MN13821S-U provides reliable voltage detection, ensuring that systems operate within safe voltage ranges.
- The low supply current minimizes power consumption, making it suitable for battery-powered devices.
- The built-in hysteresis prevents oscillations around the threshold voltage, improving stability.
- The open-drain output allows for flexible connection to various logic circuits.
- The small package size makes it suitable for high-density circuit designs.
Technical Specifications:
The MN13821S-U typically operates with a supply voltage range of 1.5V to 5.5V. The detection voltage is factory preset and available in different voltage levels. It features a typical supply current in the range of microamperes (µA). The operating temperature range is typically -40°C to +85°C, making it suitable for a wide range of environmental conditions.
The device is available in small surface-mount packages such as SOT-25. These compact packages are suitable for automated assembly and enable high-density circuit board designs. It's commonly used in electronic devices requiring robust voltage monitoring to ensure reliable operation.
