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NCP1012ST100T3G from ON,ON Semiconductor

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NCP1012ST100T3G

Manufacturer: ON

Self−Supplied Monolithic Switcher for Low Standby−Power Offline SMPS

Partnumber Manufacturer Quantity Availability
NCP1012ST100T3G ON 50 In Stock

Description and Introduction

Self−Supplied Monolithic Switcher for Low Standby−Power Offline SMPS # Introduction to the NCP1012ST100T3G  

The **NCP1012ST100T3G** is a highly integrated monolithic switching regulator from ON Semiconductor, designed for low-power offline applications. This component combines a high-voltage power MOSFET with a fixed-frequency current-mode controller, making it an efficient solution for compact power supplies.  

Operating with a fixed switching frequency of 100 kHz, the NCP1012ST100T3G delivers stable performance while minimizing electromagnetic interference (EMI). It features built-in protections such as overload, short-circuit, and over-temperature safeguards, enhancing system reliability. With a wide input voltage range, it is well-suited for universal mains applications, including adapters, auxiliary power supplies, and LED drivers.  

The device integrates a startup circuit, eliminating the need for an external bias winding, which simplifies design and reduces component count. Its low standby power consumption makes it ideal for energy-efficient applications. Packaged in a compact SOT-223 form factor, the NCP1012ST100T3G offers a balance of performance, safety, and cost-effectiveness for modern power conversion needs.  

Engineers appreciate its ease of implementation and robust feature set, making it a popular choice for low-wattage power supply designs.

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