Consider 2nd stage LC filter in Flyback converter to significantly reduce output voltage ripple


The Flyback topology is a popular topology in off-line charger applications due to its capability to handle wide input voltage range. And multiple outputs are easily generated by using extra windings on the main transformer. Figure.1 illustrates the Flyback converter with multiple outputs.

AEP3629_Fig1Fig.1 Fl[......]

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Improve your system efficiency and reliability with 650V SuperFET® II FRFET® MOSFET

Figure 1

With many government regulations  encouraging energy savings around the world, most industry experts agree that new technology advances in power MOSFETs  play a critical role in providing these benefits to power conversion applications. Higher power density, system efficiency and reliability are alw[......]

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Protecting against reverse polarity: Methods examined, Part 2

Figure 8. The Series MOSFET Method

Method 6: Schottky to Ground

The Schottky to Ground method is nearly identical to the Diode to Ground method described above. It requires that the potential source of reverse polarity be well understood, and that the Schottky be sized accordingly.

Compared to the Diode to Ground method, the Sc[......]

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