UCC38501DWTRG4

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The UCC38501DWTRG4, introduced by Texas Instruments, is a highly integrated single-phase, digital power factor correction (PFC) system. It features a proprietary digital control loop, spread spectrum clocking, valley-switching input waveform shaping, advanced pre-bias start-up, and pre-regulation. The resulting solution is highly efficient, space-saving, and reliable.

Power factor correction (PFC) is a technique for improving the power efficiency of power supplies or electronic loads. It does this by actively regulating the voltage or current waveform of the supplied power. By feeding electrical energy into the load in a more sinusoidal shape, which is closer to a true sine wave, PF correction reduces the amount of power lost during transmission and generation. This improved efficiency helps reduce power bills and allows for fewer components in the power supply.

The UCC38501DWTRG4 is a single-phase, digital power factor correction solution that helps to increase power efficiency. It has a spread spectrum clocking feature which reduces EMI and improves efficiency by optimizing clock jitter filtering. This digital power factor correction device also offers valley-switching input waveform shaping, ensuring that only sine waveforms are presented to the load, reducing total harmonic distortion and improving power factor.

The UCC38501DWTRG4 is designed for use in single-phase ac power supplies, and has a wide input voltage range. It features advanced pre-bias start-up, which allows it to be used in systems with power-up sequencing requirements. It also includes a pre-regulation section, which helps ensure that input voltage is satisfactory before the load is powered. This ensures power is applied quickly and efficiently when the power supply is turned on.

The proprietary digital control loop of the UCC38501DWTRG4 allows for precise control of the output power. This ensures that the PFC output is always at the desired level, thus avoiding both under- and over-powering. In addition, its advanced control circuitry helps to minimize losses during light load conditions.

PFC solutions such as the UCC38501DWTRG4 provide a wide range of benefits for systems utilizing single-phase ac power supplies. By reducing the total harmonic distortion of the input power and actively regulating the voltage or current waveform, power factor correction increases power efficiency and lowers power bills. In addition, the UCC38501DWTRG4\'s advanced pre-bias start-up, pre-regulation section and proprietary digital control loop technologies help to further improve power efficiency and ensure power is applied quickly and reliably.

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