ON Semiconductor NCP303LSN28T1G Voltage Detector

The ON Semiconductor NCP303LSN28T1G is a precision micro-power voltage detector designed for the most demanding applications that require an accurate monitoring of voltage levels. This component is ideal for battery-powered devices, portable equipment, and microprocessor/microcontroller systems, where maintaining the correct operation voltage is critical for system reliability and performance.

Key Features

• Voltage Threshold: The NCP303LSN28T1G has a fixed threshold voltage of 2.8V, which makes it suitable for monitoring 3V power supply rails.
• Low Power Consumption: With a quiescent current of typically 0.8 µA, this voltage detector is optimized for battery-powered applications where power efficiency is paramount.
• High Accuracy: It offers a tight threshold accuracy of ±1.5%, ensuring reliable voltage monitoring and system protection.
• Built-in Hysteresis: The device features built-in hysteresis to prevent false triggering due to noise or transient voltage fluctuations.
• Fast Response Time: The NCP303LSN28T1G provides a fast response time, which is crucial for systems that need immediate reaction to under-voltage conditions.
• Temperature Range: It operates over an industrial temperature range of -40°C to +85°C, making it versatile for use in a wide range of environmental conditions.
• Compact Package: The device comes in a space-saving 5-pin TSOP-5 package, which is ideal for applications where PCB real estate is at a premium.

Applications

• Portable and Battery-Powered Devices
• Microprocessor & Microcontroller Systems
• Power Management Systems
• Cell Phones and PDAs
• Notebook Computers
• Automotive Systems

The NCP303LSN28T1G voltage detector from ON Semiconductor is a crucial component for systems that cannot afford to operate below a certain voltage threshold. With its precision, low power consumption, and compact form factor, it offers an efficient and reliable solution for voltage monitoring and power management in a wide array of electronic devices.