ON Semiconductor NCP303LSN47T1 Voltage Detector

The ON Semiconductor NCP303LSN47T1 is a precision micro-power voltage detector designed for the management of battery-powered systems. This compact and efficient component ensures system reliability by monitoring the power supply voltage and providing a reset signal to the host processor when necessary.

Key Features

• Detection Voltage: Precisely set at 4.7V, the NCP303LSN47T1 is ideal for applications requiring a specific threshold to trigger system reset or power failure warning.
• Low Power Consumption: With a quiescent current of typically 0.5 µA, it is highly suitable for battery-operated devices where power efficiency is critical.
• High Accuracy: Offers a tight detection threshold tolerance of ±1.5%, ensuring reliable operation even under varying conditions and temperatures.
• Open Drain Output: The device features an open-drain N-channel output, which allows for flexible interfacing with other logic levels or for driving larger loads when connected to an external transistor.
• Manual Reset Input: A manual reset input is provided, enabling users to initiate a system reset independently of the voltage detection feature.
• Fast Response Time: Designed for quick response, it helps protect sensitive electronic components by reacting promptly to voltage drops.
• Temperature Range: Operates within an industrial temperature range from -40°C to +85°C, making it a robust choice for harsh environments.

Applications

The NCP303LSN47T1 is versatile and can be used in a variety of applications such as:

• Portable and battery-powered equipment
• Microprocessor/microcontroller reset circuits
• Memory battery backup circuits
• Power failure detection
• System power-on reset

With its precision voltage monitoring and low power consumption, the NCP303LSN47T1 from ON Semiconductor is an essential component for ensuring the stability and reliability of electronic systems, particularly where power levels are critical to the application's performance.