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PFC IC with 750-V GaN swap optimizes effectivity

Energy Integrations’ HiperPFS-5 energy issue correction (PFC) controller IC packs a 750-V GaN swap with lossless present sensing. With effectivity of as much as 98.3%, the quasi-resonant (QR) gadget delivers as a lot as 240 W with no warmth sink and achieves an influence issue of higher than 0.98.

Packaged in a low-profile, surface-mount InSOP-T28F, the HiperPFS-5 allows a compact and environment friendly energy issue stage for high-power USB PD adapters, TVs, recreation consoles, PCs, and home equipment. A QR discontinuous conduction mode (DCM) management scheme adjusts the switching frequency throughout the output load, enter line voltage, and enter line cycle. QR DCM ensures low switching losses and permits the usage of a low-cost enhance diode. This variable frequency engine allows the scale of the enhance inductor to be diminished by greater than 50% in comparison with typical essential conduction mode (CRM) enhance PFC circuits.

Low switching and conductions losses, along with lossless present sensing, end in excessive effectivity throughout your entire load vary. The HiperPFS-5 gives an influence issue of upper than 0.98 at full load. At mild load, an influence issue enhancement characteristic compensates for enter filter capacitance, sustaining an influence issue of 0.96, even at 20% load. No-load energy consumption is simply 38 mW.

HiperPFS-5 PFC controller ICs value $2.34 every in a lot of 10,000 models. For designers trying to consider the HiperPFS-5, reference design DER-672 is out there for downloading.

HiperPFS-5 product web page

Energy Integrations 

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