ON Semiconductor NCP803SN308T1 Product Overview

The ON Semiconductor NCP803SN308T1 is a highly reliable, precision microprocessor (μP) supervisory circuit, designed to monitor power supplies in digital systems. It provides a significant level of protection to ensure stable and proper functioning of electronic components. This device is particularly suited for portable, battery-powered equipment due to its low power consumption and compact SOT-23 package.

Key Features

• Voltage Monitoring: The NCP803SN308T1 offers an accurate threshold voltage of 3.08V, making it ideal for 3.3V systems. It ensures that the voltage level remains within the acceptable range for the safe operation of the microprocessor and other sensitive logic circuits.
• Reset Output: In the event of a power failure or brownout condition, the device generates a reset signal to the microprocessor. This reset signal remains active for a minimum of 140ms after the voltage level has returned to an acceptable range, allowing the system to recover safely.
• Low Power Consumption: Designed for power-sensitive applications, it consumes minimal power, with a typical supply current of only 3μA. This feature helps in extending the battery life of portable devices.
• Compact Packaging: The NCP803SN308T1 comes in a small SOT-23 package, which is highly beneficial for space-constrained applications.
• Temperature Range: It operates over a wide temperature range from -40°C to +85°C, making it versatile for use in various environments and applications.

Applications

The NCP803SN308T1 is suitable for a broad range of applications, including:

• Portable/Battery-Powered Equipment
• Microprocessor/Microcontroller Systems
• Computers and Computer Peripherals
• Intelligent Instruments
• Industrial Equipment

With its precise voltage monitoring and low power consumption, the NCP803SN308T1 from ON Semiconductor is an essential component for enhancing system reliability and protecting against data loss during power instability. Its compact size and wide operating temperature range make it a versatile choice for designers looking to incorporate a robust power supply monitoring solution into their electronic designs.