ON Semiconductor NCP302LSN09T1G Voltage Detector

The NCP302LSN09T1G from ON Semiconductor is a high-performance, low-power voltage detector designed for applications requiring voltage monitoring and precise power-on reset functionality. This integrated circuit is part of ON Semiconductor's portfolio of voltage supervisors that ensure reliable operation of microprocessors and other sensitive electronics by monitoring supply voltages.

This voltage detector operates over a wide voltage range and is particularly suitable for battery-powered devices, portable equipment, and microprocessor-based systems. The NCP302LSN09T1G ensures that the system microcontroller starts up in a known state every time the device powers up or experiences a drop in supply voltage.

Key Features:

• Threshold Voltage: The device has a precise factory-programmed threshold voltage of 0.9V, making it ideal for low-voltage applications.
• Low Power Consumption: With its quiescent current of typically 0.8 µA, this voltage detector is optimized for battery-operated devices, contributing to extended battery life.
• Reset Delay Time: It offers an externally adjustable delay time for the reset signal, allowing designers to customize the reset timing for specific system requirements.
• Output Type: The NCP302LSN09T1G features an open-drain output, which provides flexibility in interfacing with other logic levels and allows for wired-OR configurations.
• Operating Temperature Range: This device operates over an industrial temperature range of -40°C to +85°C, ensuring reliable performance in harsh environments.
• Package: It is available in a compact, 5-pin TSOP package, making it suitable for space-constrained applications.

Applications:

• Microprocessor, microcontroller, and DSP power monitoring
• Portable and battery-powered equipment
• Intelligent instruments
• Automotive systems
• Industrial systems

The NCP302LSN09T1G voltage detector from ON Semiconductor is a reliable solution for designers looking to enhance system stability and protect against the dangers of unpredictable supply voltages. Its low power consumption and precise voltage monitoring capabilities make it a smart choice for a wide range of applications.