The MB3793-N is a voltage monitoring IC manufactured by Fujitsu Electronics America, Inc. This IC is designed to monitor the supply voltage of electronic systems and provide a reset signal when the voltage drops below a specified threshold. This ensures proper system operation and prevents data corruption or unexpected behavior during power outages or voltage fluctuations.

Applications

• Microprocessor reset circuitry
• Voltage monitoring in embedded systems
• Power-on reset (POR) circuits
• Data protection in memory systems
• Industrial control systems

Features

• Precision voltage detection
• Adjustable reset threshold
• Hysteresis for noise immunity
• Open-drain reset output
• Low supply current

Benefits

• Ensures proper system initialization after power-up
• Prevents data corruption during voltage drops
• Improves system reliability
• Simplifies reset circuit design
• Reduces power consumption

Additional Details

The MB3793-N has a typical supply voltage range of 2V to 6V. The reset threshold voltage is adjustable using external resistors. The hysteresis is typically 5%. The reset output is an open-drain output, requiring a pull-up resistor. The IC is available in a small SOT-25 package. It operates over a wide temperature range. Fujitsu provides detailed datasheets and application notes for the MB3793-N, ensuring proper implementation and optimal performance. This voltage monitoring IC is a reliable and cost-effective solution for ensuring the integrity of electronic systems.