FAN7528M

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Power factor correction (PFC) is a fundamental technique used to improve the efficiency and power quality of electric power systems. This method of power factor correction is designed to reduce distortions in the current/voltage relationship, which can interfere with the power supply and reduce power line efficiency. The FAN7528M is a monolithic integrated circuit featuring a PFC boost converter, and is optimized for power factor correction applications in AC/DC power supplies up to 90 watts.The FAN7538M is a two-phase interleaved power factor correction Boost converter that includes an internal high-voltage startup circuit. By increasing the frequency and decreasing the inductance values of the filter, the power factor correction performance of the FAN7538M is significantly improved. In order to achieve an optimized trade-off between power factor correction and transient response, the FAN7538M adopts a combined valley current mode control and valley-current share control scheme.The key advantage of this technology is improved power quality, as the FAN7538M reduces harmonic distortion, noise and other common problems experienced with power supplies that lack power factor correction. The FAN7538M design is stable and robust, featuring over current and over voltage protection as well as system feedback control. This helps ensure consistent, stable operation and improved power efficiency.Of course, power factor correction is only one part of the equation when designing a reliable, efficient AC/DC power supply. An efficient AC/DC power supply also needs to include high-quality components, optimized circuit design, and efficient heat transfer measures. However, the FAN7538M is an important element of any power supply design, as it reduces harmonic distortion and helps to maintain stable, high-quality outputs.The FAN7538M application field is quite comprehensive, and can be found in such commercial applications as computers, telecom equipment, industrial robotics, home appliances, office automation and many others. It is also suitable for a wide range of lighting applications, such as LED drivers, LED lighting, and LED drivers with high power factor correction.In conclusion, the FAN7538M is an ideal choice for power factor correction applications, particularly in AC/DC power supplies up to 90 watts. By incorporating power factor correction into power supplies, harmonic distortion and noise are reduced, system efficiency is increased, and stable, high-quality outputs are maintained. The FAN7538M is an ideal choice for a wide range of applications, from commercial to lighting uses.

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