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NCP551SN33T1 from ON,ON Semiconductor

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NCP551SN33T1

Manufacturer: ON, MOTO, ON安森美

150 mA CMOS Low Iq Low-Dropout Voltage Regulator

Partnumber Manufacturer Quantity Availability
NCP551SN33T1 ON, MOTO, ON安森美 79908 In Stock

Description and Introduction

150 mA CMOS Low Iq Low-Dropout Voltage Regulator The **NCP551SN33T1** is a low-dropout (LDO) voltage regulator designed to provide stable and efficient power management in a wide range of electronic applications. With an output voltage of **3.3V** and a maximum output current of **150mA**, this component is well-suited for battery-powered devices, embedded systems, and portable electronics where power efficiency and reliability are critical.  

Featuring a low dropout voltage, the NCP551SN33T1 ensures optimal performance even when the input voltage is close to the output level, making it ideal for energy-sensitive designs. Its low quiescent current further enhances power efficiency, extending battery life in portable applications.  

The regulator includes built-in protection features such as **overcurrent protection (OCP)** and **thermal shutdown**, safeguarding both the component and the connected circuitry from potential damage due to excessive current or overheating. Additionally, its compact **SOT-23-5** package allows for space-efficient PCB integration, making it a practical choice for modern, miniaturized designs.  

Engineers and designers often select the NCP551SN33T1 for its balance of performance, reliability, and compact form factor, ensuring consistent voltage regulation in demanding environments. Whether used in consumer electronics, IoT devices, or industrial applications, this LDO regulator delivers dependable power management with minimal external components required.

Application Scenarios & Design Considerations

150 mA CMOS Low Iq Low-Dropout Voltage Regulator

Alternative Part Number

  • LP2985AIM5-3.3 --: Low-dropout 3.3V linear regulator in SOT-23-5 with similar current capability and pinout, widely available and often used as a direct substitute.
  • MIC5205-3.3YM5 --: 3.3V LDO regulator in SOT-23-5 with comparable dropout and output current, suitable drop-in replacement for many NCP551 applications.
  • AP2112K-3.3TRG1 --: 3.3V CMOS LDO in SOT-23-5 offering similar performance and low quiescent current, a cost-effective alternative from a different series.
  • LP2985IM5-3.3 --: Low-dropout 3.3V linear regulator in SOT-23-5 with similar current capability and pinout, widely available and a common drop-in replacement.

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