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NCP303LSN47T1 from ON,ON Semiconductor

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NCP303LSN47T1

Manufacturer: ON, MOTO

Voltage Detector Series with Programmable Delay

Partnumber Manufacturer Quantity Availability
NCP303LSN47T1 ON, MOTO 3245 In Stock

Description and Introduction

Voltage Detector Series with Programmable Delay The **NCP303LSN47T1** is a high-performance, low-dropout (LDO) voltage regulator designed for precision power management in modern electronic systems. Manufactured by ON Semiconductor, this component delivers a stable **4.7V output** with a low dropout voltage, making it ideal for applications requiring efficient voltage regulation with minimal power loss.  

Featuring a compact **SOT-23-5** package, the NCP303LSN47T1 is well-suited for space-constrained designs, including portable devices, IoT modules, and embedded systems. Its **low quiescent current** ensures energy efficiency, while built-in protection mechanisms—such as thermal shutdown and current limiting—enhance reliability in demanding environments.  

With an input voltage range of **2.7V to 12V**, this regulator supports a variety of power sources, including batteries and regulated DC supplies. The device maintains excellent **load and line regulation**, ensuring consistent performance under fluctuating conditions. Additionally, its fast transient response minimizes output voltage variations during sudden load changes.  

Engineers favor the NCP303LSN47T1 for its balance of precision, efficiency, and robustness, making it a dependable choice for consumer electronics, industrial controls, and automotive applications where stable power delivery is critical. Its combination of performance and compact form factor positions it as a versatile solution for modern electronic designs.

Application Scenarios & Design Considerations

Voltage Detector Series with Programmable Delay

Alternative Part Number

  • MAX809REUS+T --: Voltage supervisor with 4.7V threshold and active-low reset, functionally equivalent to the NCP303LSN47T1 in SOT-23 package.
  • TPS3808G47DBVR --: Low-power voltage supervisor with 4.7V reset threshold and open-drain output, suitable drop-in replacement in SOT-23-5.
  • MCP131T-475E/LB --: Voltage detector with 4.7V trip point and active-low reset output, comparable pinout and function in small SOT-23 package.
  • MC33464H-47 --: Voltage detector/supervisor in the same 4.7V threshold class with open-drain output, functionally equivalent to the NCP303 series.
  • S-80847CLY --: CMOS voltage detector with 4.7V detection and open-drain output, suitable drop-in replacement for reset/supervisor applications.
  • BD4747G --: 4.7V voltage detector IC with open-drain output in a small package, offering comparable threshold accuracy and low current consumption.

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