IC Incorporates Two-Switch-Forward Main, Flyback Standby Power Converters

Wed, 11/10/2010 - 7:18am
integrated power supp ICPower Integrations introduced HiperTFS, an integrated power supply IC family for high-power applications. The device family members incorporate both a two-switch-forward converter and a flyback standby power converter into a single, low-profile eSIP? power package. As well as the two controllers, the devices include high- and low-side drivers and all of the high-voltage power MOSFETs for the main and standby power converters, making the product appropriate for consumer, computer, and industrial power supply designs requiring main power from 120 W to 415 W and a standby converter capable of up to 20 W. The new devices particularly target applications requiring high efficiency and compact form factor, such as desktop PCs, TVs, and video game consoles. HiperTFS allow operation considerably above 60 percent duty cycle, reducing RMS currents - and therefore conduction losses - and also minimizing the size and cost of the bulk capacitor.

Power Integrations

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