The RT9808-33CX is a voltage detector manufactured by Richtek USA Inc. It is designed to monitor voltage levels in electronic circuits and provide a reset signal when the voltage drops below a certain threshold. This ensures that the system operates reliably and prevents data corruption or system malfunction.

Applications

• Microcontroller-based systems
• Embedded systems
• Power management circuits
• Battery-powered devices
• Real-time clocks

Features

• Precise voltage detection: Detects voltage levels accurately, ensuring reliable reset signal generation.
• Low quiescent current: Minimizes power consumption, making it suitable for battery-powered applications.
• Open-drain reset output: Allows for flexible interfacing with various microcontrollers and systems.
• Hysteresis: Provides hysteresis to prevent oscillations and ensure stable operation.
• Small package: Available in compact packages for space-constrained applications.

Benefits

• Improved system reliability: Prevents system malfunction by providing a reset signal when the voltage is too low.
• Data protection: Protects data from corruption by resetting the system before the voltage drops too low.
• Extended battery life: Low quiescent current minimizes power consumption, extending the battery life of portable devices.
• Simplified system design: Open-drain reset output simplifies interfacing with various microcontrollers and systems.
• Space-saving: Small package allows for use in space-constrained applications.

Additional Details

The RT9808-33CX has a detection threshold of 3.3V. It features an open-drain reset output, which requires a pull-up resistor. The device operates over a wide temperature range, making it suitable for various environments. The small package helps in integrating it into densely populated circuit boards. The hysteresis helps to prevent false reset triggers due to minor voltage fluctuations. The RT9808 family offers different voltage thresholds, allowing designers to select the appropriate part for their application.