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NCP1402SN50T1G from ON,ON Semiconductor

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NCP1402SN50T1G

Manufacturer: ON

200 mA, PFM Step−Up Micropower Switching Regulator

Partnumber Manufacturer Quantity Availability
NCP1402SN50T1G ON 1165 In Stock

Description and Introduction

200 mA, PFM Step−Up Micropower Switching Regulator # Introduction to the NCP1402SN50T1G  

The **NCP1402SN50T1G** is a high-efficiency, step-up DC-DC converter designed for low-power applications. This compact switching regulator integrates a power MOSFET and operates from an input voltage as low as 0.8V, making it ideal for battery-powered devices such as portable electronics, wireless sensors, and energy-harvesting systems.  

With a fixed 5.0V output voltage, the NCP1402SN50T1G delivers up to 200mA of load current while maintaining high efficiency across a wide range of operating conditions. Its low quiescent current and automatic pulse-frequency modulation (PFM) mode enhance power efficiency, extending battery life in energy-sensitive applications.  

Key features include built-in soft-start functionality to minimize inrush current, thermal shutdown protection, and a small SOT-23-5 package for space-constrained designs. The device also incorporates undervoltage lockout (UVLO) to ensure reliable operation under varying input conditions.  

Engineers favor the NCP1402SN50T1G for its simplicity, reliability, and ability to boost very low input voltages efficiently. Whether used in medical devices, IoT modules, or consumer electronics, this regulator provides a robust power management solution with minimal external components.

Application Scenarios & Design Considerations

200 mA, PFM Step−Up Micropower Switching Regulator

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