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NCP551SN25T1G from ON,ON Semiconductor

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NCP551SN25T1G

Manufacturer: ON

150 mA CMOS Low Iq Low-Dropout Voltage Regulator

Partnumber Manufacturer Quantity Availability
NCP551SN25T1G ON 4002 In Stock

Description and Introduction

150 mA CMOS Low Iq Low-Dropout Voltage Regulator The **NCP551SN25T1G** is a low-dropout (LDO) voltage regulator designed to deliver stable and efficient power management in a compact package. Manufactured by ON Semiconductor, this component provides a fixed output voltage of **2.5V** with a maximum output current of **150mA**, making it suitable for low-power applications.  

Featuring a low dropout voltage of **190mV at 100mA**, the NCP551SN25T1G ensures reliable performance even when the input voltage is close to the output level. Its low quiescent current of **75µA** enhances energy efficiency, making it ideal for battery-powered devices such as portable electronics, IoT sensors, and embedded systems.  

The regulator includes built-in protection features such as **thermal shutdown** and **current limiting**, safeguarding the device and connected circuitry from potential damage due to overheating or excessive load conditions. With a small **SOT-23-5** package, it offers a space-saving solution for designs with tight PCB constraints.  

Engineers favor the NCP551SN25T1G for its stable performance, low noise output, and ease of integration, making it a dependable choice for applications requiring precise voltage regulation in constrained environments.

Application Scenarios & Design Considerations

150 mA CMOS Low Iq Low-Dropout Voltage Regulator

Alternative Part Number

  • LP2985AIM5-2.5 --: Low-dropout linear regulator with 2.5V fixed output in SOT-23-5, similar current capability and pinout, widely available and low noise.
  • MIC5205-2.5YM5 --: 2.5V fixed LDO in SOT-23-5 with low dropout and low quiescent current, a common drop-in style alternative for small portable designs.
  • AP2112K-2.5TRG1 --: 2.5V fixed LDO regulator in SOT-23-5 with good stability and low dropout, suitable replacement when the original is unavailable.

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