TEA1792T/N1,118

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Power Factor Correction (PFC) is an important component of modern power systems. The effectiveness of PFC depends on the ability to efficiently convert power from the input AC source to the output DC load. In particular, Active Power Factor Correction (APFC) is widely used for high power applications, and the TEA1792T/N1,118 is a great example of an APFC solution.

The TEA1792T/N1,118 is a two-stage PFC controller developed by Infineon to reduce input current harmonics and improve overall power factor. The first stage is the active PFC stage, responsible for power factor correction, while the second stage is the DC/DC stage responsible for transforming the AC input voltage to the required DC output voltage. This setup ensures that the PFC works in parallel with the DC/DC stage, providing improved power factor correction.

In terms of applications, the TEA1792T/N1,118 is ideal for power supplies between 200W and 400W. It is suitable for applications such as consumer electronics, power adapters, industrial products, lighting systems and motor drives. In addition, the TEA1792T/N1,118 has excellent noise and EMI suppression, which makes it ideal for many medical and industrial applications.

The way TEA1792T/N1,118 works is by using a closed loop control method for power factor correction. This method allows the controller to compare the voltage and current feedback signals with a reference input. The controller then adjusts the conduction of the two transistors in the PFC stage in order to adjust the input power to meet the required power factor. The controller also incorporates voltage and current limit protection as well as over temperature protection to maximize durability and efficiency.

The TEA1792T/N1,118 is a robust and reliable PMIC that offers superior power factor correction performance in a variety of applications. With its advanced closed loop control, excellent EMI suppression and improved efficiency, the TEA1792T/N1,118 is a great solution for many power supply designs.

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