IRS25803DSTRPBF

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PMIC - PFC (Power Factor Correction)

The IRS25803DSTRPBF power factor correction (PFC) integrated circuit from International Rectifier (IR) is an ideal choice for efficient, high performance, and low cost power factor correction solutions. It is a highly reliable and efficient PFC controller IC, capable of providing a 300W rated output power, making it suitable for the majority of household and automotive power supply applications.

The working principle of the IRS25803DSTRPBF is based on the average current mode control. It enables the operation of a two-stage power factor correction topology, with a boost converter (BC) followed by a buck-boost converter (BB). This methodology ensures proper control of the PFC and 97% power factor performance.

The IRS25803DSTRPBF also supports a superior input transient response over the entire line range, thus ensuring that the output voltage is kept within the acceptable safety limits. Furthermore, the IRS25803DSTRPBF PFC IC automatically decreases the output voltage, in case of an excessive overload. This topology also has the capability of providing a constant output current that increases with the input and load voltage ramp, thus offering a more efficient power transfer over the entire operation range.

In addition to its high efficiency, the IRS25803DSTRPBF PFC IC provides a wide input voltage operation range (from 80Vac to 400Vac). It also offers a wide output voltage range, making it suitable for a variety of applications in the automotive and industrial space. The on-board gate driver also helps improve the efficiency of the system by providing a higher switching frequency.

The high performance of the IRS25803DSTRPBF is enhanced by several features, such as the on-board primary-side overvoltage protection (OVP), over-current protection (OCP), short-circuit protection (SCP), boost start-up protection (BST) and input under-voltage protection (UVP). The IRS25803DSTRPBF also supports a proprietary protection (UVP) mechanism, which prevents any unwanted increases in the output voltage.

Furthermore, the IRS25803DSTRPBF PFC IC is a highly reliable solution and comes with a wide operating temperature range (-40°C to +85°C). The integrated PFC controller IC also has several other features, such as a low power consumption of 1.9W, low-cost (12$) and RoHS/WEEE compliance. It also comes with an adjustable soft-start, which helps reduce peak inrush current and reduces the inrush current.

The IRS25803DSTRPBF is a highly efficient and reliable PFC solution and is ideal for a range of applications, such as industrial, automotive and residential power supplies. It helps in achieving higher efficiency thanks to its advanced power factor correction technology and is also capable of providing a wide input voltage range, thus making it suitable for a variety of applications. The integrated PFC controller IC also comes with several safety and protection mechanisms, which help protect the system from any unwanted events.

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