The NCP303LSN22T1G from ON Semiconductor is a precision micro-power voltage detector designed for monitoring battery and power supplies. This component is an essential building block in portable devices, where maintaining the integrity of the power supply is crucial for ensuring reliable operation.

Key Features

• Voltage Threshold: The device features a fixed voltage threshold of 2.2V, making it suitable for low-voltage applications where accurate monitoring is necessary to prevent deep discharge of batteries.
• Low Power Consumption: With a quiescent current of typically 0.8 µA, the NCP303LSN22T1G is optimized for battery-powered applications, helping to extend the overall battery life of the device it is used in.
• High Accuracy: It offers a tight threshold accuracy of ±1.5%, which is critical for applications that require precise voltage monitoring to avoid malfunction or damage to the system.
• Output Type: The detector provides an active low, open-drain output, which allows for easy interfacing with microcontrollers or other logic systems.
• Operating Temperature Range: It operates over an industrial temperature range from -40°C to +85°C, ensuring reliable performance across a wide range of environmental conditions.
• Package: The device is available in a compact, space-saving SC-70 package, which is ideal for use in portable and space-constrained applications.

Applications

The NCP303LSN22T1G is versatile and can be used in a variety of applications, including:

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

This voltage detector from ON Semiconductor is a reliable solution for designers looking to enhance the safety and performance of their power-sensitive applications. Its low power consumption, high accuracy, and compact form factor make it an excellent choice for a wide array of electronic devices.