NCP1054ST100T3G

The ON Semiconductor NCP1054ST100T3G is an integrated circuit designed for AC/DC conversion, specifically functioning as an offline switch for flyback topologies. It supports an operating voltage range of 7.5V to 10V and operates at a frequency of 100kHz, with a power rating of 40W. The device includes internal switching capabilities and offers fault protection features such as current limiting, open loop, overload, and over-temperature protection.

This component is housed in a SOT-223 (TO-261) surface mount package, specifically the TO-261-4, TO-261AA variant. It operates within a temperature range of -40°C to 150°C (TJ). The output is isolated, and the duty cycle is rated at 77%.

Key electrical characteristics include its 7.5V to 10V input voltage range and 100kHz operating frequency. The 40W power capability makes it suitable for various power supply applications. The integrated switch simplifies design, and the comprehensive fault protection enhances system reliability.

The surface mountable TO-261 package is designed for automated assembly processes. Its operating temperature range of -40°C to 150°C allows for use in demanding environments. The isolated output is a critical feature for safety in many power conversion applications.