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NCP302LSN40T1 from MOTO,Motorola

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NCP302LSN40T1

Manufacturer: MOTO, ON

Voltage Detector Series with Programmable Delay

Partnumber Manufacturer Quantity Availability
NCP302LSN40T1 MOTO, ON 6353 In Stock

Description and Introduction

Voltage Detector Series with Programmable Delay # Introduction to the NCP302LSN40T1 Voltage Supervisor  

The **NCP302LSN40T1** is a precision voltage supervisor IC designed to monitor power supply voltages in electronic systems. It ensures reliable operation by detecting undervoltage conditions and providing a reset signal to the microcontroller or processor when the supply voltage falls below a predefined threshold.  

This component features a fixed threshold voltage of **4.0V**, making it suitable for applications requiring stable voltage monitoring, such as embedded systems, industrial controls, and automotive electronics. The NCP302LSN40T1 operates with low quiescent current, enhancing power efficiency in battery-powered devices.  

Key characteristics include a built-in delay timer to prevent false resets during transient voltage fluctuations and an open-drain output for flexible interfacing with different logic levels. Its small **SOT-23** package makes it ideal for space-constrained designs.  

Engineers value the NCP302LSN40T1 for its accuracy, reliability, and ease of integration, ensuring system stability in critical applications where voltage integrity is essential. Whether used in consumer electronics or industrial automation, this voltage supervisor helps prevent malfunctions caused by power irregularities.  

For detailed specifications, consult the official datasheet to ensure proper implementation in your design.

Application Scenarios & Design Considerations

Voltage Detector Series with Programmable Delay

Alternative Part Number

  • MC33464H-40AT1 --: Voltage supervisor with 4.0V threshold in SOT-23, functionally equivalent to the NCP302 series and from the same ON/Motorola family lineage.
  • MAX809REUR-T --: 3-pin microprocessor reset supervisor with 4.0V-class threshold in SOT-23, a widely used cross-reference for NCP302-type supervisors.
  • APX803L-40SA-7 --: Low-cost 4.0V voltage detector/reset IC in SOT-23 with active-low output, suitable drop-in replacement for NCP302LSN40T1.
  • MAX6746KA40+T --: Voltage supervisor with 4.0V threshold and active-low push-pull reset output, functionally equivalent to the NCP302LSN40T1 in a small SOT-23 package.
  • TPS3808G40DBVR --: 4.0V fixed-threshold supervisor with programmable delay and open-drain/push-pull reset, a common drop-in replacement for NCP302 series supervisors.
  • MCP1316T-40AE/TO --: 4.0V reset supervisor with active-low output in SOT-23, offering similar threshold accuracy and low quiescent current as the original part.

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