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NCP803SN293T1G from ONON

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NCP803SN293T1G

Manufacturer: ONON, ON

Very Low Supply Current 3-Pin Microprocessor Reset Monitor

Partnumber Manufacturer Quantity Availability
NCP803SN293T1G ONON, ON 186000 In Stock

Description and Introduction

Very Low Supply Current 3-Pin Microprocessor Reset Monitor The **NCP803SN293T1G** is a precision voltage detector designed to monitor power supply voltages in electronic systems, ensuring reliable operation and protection against voltage fluctuations. This integrated circuit (IC) is part of ON Semiconductor's voltage monitoring portfolio, offering high accuracy and low power consumption, making it suitable for a wide range of applications, including consumer electronics, industrial controls, and battery-powered devices.  

Featuring a fixed threshold voltage of **2.93V**, the NCP803SN293T1G provides a reset signal when the monitored voltage falls below or rises above the specified threshold, helping to prevent system malfunctions. Its ultra-low quiescent current enhances energy efficiency, which is critical for portable and battery-operated applications. The device is available in a compact **SOT-23-3** package, making it ideal for space-constrained designs.  

Key characteristics include a fast response time, high voltage accuracy (±1.5%), and a wide operating voltage range, ensuring robust performance across varying conditions. With built-in hysteresis, the IC minimizes false triggering due to noise or transient voltage variations.  

Engineers and designers can leverage the NCP803SN293T1G for power management, system reset functions, and undervoltage/overvoltage protection, contributing to enhanced system reliability and longevity.

Application Scenarios & Design Considerations

Very Low Supply Current 3-Pin Microprocessor Reset Monitor

Alternative Part Number

  • MAX803SQ293T1G --: Same function as a 2.93V voltage supervisor with active-low reset in SOT-23, pin-compatible and directly interchangeable.
  • APX803S-29SA-7 --: 2.93V microprocessor reset supervisor in SOT-23 with open-drain output, a common cross-reference for the NCP803 series.
  • MCP131T-290E/TO --: 2.9V voltage supervisor with active-low reset in a small package, offering similar threshold and reset behavior for substitution.
  • TPS3808G30DBVR --: Adjustable-threshold supervisor with similar reset output and low quiescent current, suitable as a functional replacement in SOT-23.
  • MCP131T-290E/TT --: 2.9V voltage detector with open-drain reset output in SOT-23, a close functional match from a different manufacturer and series.

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