ISL91305-EVZ

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The ISL91305-EVZ evaluation board from Intersil provides an excellent platform to evaluate the ISL91305 CCM PFC® controller. This PFC controller IC offers advanced control techniques for improved performance over traditional solutions, along with superior system cost and the flexibility to design a highly efficient offline power supply. This evaluation board features an optional built-in light-load efficiency mode (LLEM) circuit for optimal power efficiency over a wide range of load current conditions.

The application field of the ISL91305-EVZ board includes point-of-load (POL) converters; LED lighting drivers; isolated DC/DC converters, including on/off, buck, boost, and buck-boost topologies; and single-ended and half-bridge LLC resonant converters. In addition to the application field, the ISL91305-EVZ evaluation board can also be used as a development platform for custom designs that feature the ISL91305 PFC controller IC.

The ISL91305-EVZ Evaluation Board is designed to provide a prototype platform for evaluating the ISL91305 PFC Controller IC. The ISL91305 PFC Controller IC is an advanced controller IC specifically designed to provide high efficiency power conversion for offline, continuous current mode (CCM) PFC converters. It offers superior performance with a wide input range, programmable current sharing, fault monitoring, and protection features.

The ISL91305-EVZ board works by receiving an AC input at the AC input terminal and providing an output voltage at the output terminals. The board uses the ISL91305 CCM PFC controller IC to control the power flow to the output and provides superior operating performance over traditional solutions. Additionally, the board features a built-in light-load efficiency mode (LLEM) circuit that provides optimal power efficiency over a wide range of loads.

In addition, the ISL91305-EVZ board features several protection and fault features. It is designed for safety with a protected power stage that prevents against failure due to over-temperature or input over-voltage. Additionally, it provides protection from input over-voltage transients and output overload conditions. The board also provides fault monitoring and latching with an open loop flag, which indicates that the power stage is not operating correctly, and a fault flag, which indicates that a fault has occurred.

In conclusion, the ISL91305-EVZ evaluation board is an excellent platform for evaluating the ISL91305 CCM PFC® controller. It is designed to provide superior performance over traditional solutions, with superior system cost and the flexibility to design a highly efficient offline power supply. In addition to its application field, the board can also be used as a development platform for custom designs that feature the ISL91305 PFC controller IC. With its built-in light-load efficiency mode (LLEM) circuit and its various protection and fault features, the board offers a reliable power conversion solution for many applications.

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