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NCP1406SNT1G from ON,ON Semiconductor

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NCP1406SNT1G

Manufacturer: ON

25 V/25 mA PFM Step−Up DC−DC Converter

Partnumber Manufacturer Quantity Availability
NCP1406SNT1G ON 3000 In Stock

Description and Introduction

25 V/25 mA PFM Step−Up DC−DC Converter The **NCP1406SNT1G** is a high-efficiency, step-up DC-DC converter designed for low-power applications requiring stable voltage regulation. This compact, surface-mount component integrates a fixed-frequency oscillator, power switch, and feedback control circuitry, making it ideal for battery-powered devices such as portable electronics, IoT sensors, and medical instruments.  

Operating within an input voltage range of **0.8V to 3.0V**, the NCP1406SNT1G can deliver an output voltage up to **5.0V**, with a typical switching frequency of **1.0 MHz**. Its high efficiency—up to **90%**—minimizes power loss, extending battery life in energy-sensitive applications. The device also features automatic pulse-frequency modulation (PFM) mode, which optimizes efficiency under light loads.  

Housed in a **SOT-23-5 package**, the NCP1406SNT1G offers a compact footprint while maintaining robust performance. Key protections include **thermal shutdown** and **current limiting**, ensuring reliable operation under varying conditions.  

Engineers favor this IC for its simplicity, requiring minimal external components for operation. Its ability to start up at voltages as low as **0.8V** makes it particularly useful in single-cell or depleted battery scenarios. Whether used in wearables, backup power circuits, or energy harvesting systems, the NCP1406SNT1G provides a dependable power conversion solution.

Application Scenarios & Design Considerations

25 V/25 mA PFM Step−Up DC−DC Converter

Alternative Part Number

  • TPS61041DBVR --: Boost converter with similar input voltage range and output current capability, pin-compatible SOT-23-5 package, widely available and well documented.
  • AP3012KTR-G1 --: Step-up DC-DC converter in SOT-23-5 with comparable switching frequency and current rating, suitable drop-in replacement for low-power boost applications.
  • LT1932ES6#TRMPBF --: Compact boost converter in SOT-23-6 offering similar functionality and efficiency, though package pinout differs slightly and layout review is recommended.

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