ON Semiconductor NCP303LSN49T1G Voltage Detector

The ON Semiconductor NCP303LSN49T1G is a high precision, low-power voltage detector designed for the most demanding applications that require accurate monitoring of voltage levels. This tiny yet robust component is an essential part of various electronic systems where voltage supervision is critical to ensure the proper operation and protection of the device.

Key Features

• Detector Threshold: The NCP303LSN49T1G has a preset threshold voltage of 4.9V, making it suitable for systems operating around this voltage level, ensuring that the device can reliably monitor for under-voltage conditions.
• Low Power Consumption: With its low quiescent current of typically 0.8 µA, this voltage detector is optimized for battery-powered applications where power efficiency is paramount.
• High Accuracy: The device boasts a high threshold accuracy of ±1.5%, providing precise voltage detection critical for sensitive electronics.
• Fast Response Time: It responds swiftly to voltage deviations, with a typical output delay time of only 20 µs, allowing for quick system reaction to potential issues.
• Operating Temperature Range: The NCP303LSN49T1G is designed to operate over a broad temperature range from -40°C to +85°C, accommodating a wide variety of environmental conditions.
• Output Type: It features an open-drain output, which allows for easy interfacing with other logic levels and provides the flexibility to connect to a pull-up resistor of the user's choice.

Applications

The NCP303LSN49T1G is ideal for use in several applications, including:

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

With its small footprint, the SOT-23-5 package of the NCP303LSN49T1G is perfect for space-constrained applications. Its lead-free design and RoHS compliance make it an environmentally friendly choice for modern electronic devices. When it comes to reliable voltage detection, the ON Semiconductor NCP303LSN49T1G stands out as a smart solution for designers looking to enhance system stability and protection.