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Electronics and Electrical Engineering Articles

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Featured Tech Articles: PFC

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45 W High Power Factor, Isolated Flyback with Switched Valley Fill PFC LED Driver

This design example report describes a 45 W isolated flyback power supply with a switched valley fill, single stage power factor correction circuit for LED lighting application. It has an input voltage...

HiperPFS-4 Highly Efficient Across Load Range​

This video shows how HiperPFS-4 ICs have an efficient light load mode of operation. Also, it has a variable frequency control algorithm that enables high efficiency across the full load...

7 W TRIAC Dimmable PFC Buck LED Driver

This design example report is a 7 W TRIAC dimmable, high efficiency, power factor corrected, non-isolated buck LED driver employing LYTSwitch™-3 LYT3315D. It operates in an input voltage ranging from...

HiperPFS-4 High Power Factor Across Load Range

This video shows how HiperPFS-4’s unique light-load filter compensation algorithm corrects for input filter distortion even at loads under 20%, ensuring excellent PF and THD. The HiperPFS-4 family ICs are...

300 W Non-PFC Stage Forward Power Supply

This design example report describes a 300 W Non-PFC stage forward power supply employing HiperTFS™-2 TFS7707H. It operates with an input voltage ranging from 90 VAC to 132 VAC and...

150 W AIO Power Supply

This article is a design example report of 150 W AIO power supply employing HiperPFS-3 PFS7526H and LinkSwitch-HP LNK6779EG without standby converter. It operates in an input voltage ranging from...

9.5 W TRIAC Dimmable, Power Factor Corrected, Isolated LED Driver

This design example report presents a 9.5 W TRIAC dimmable, high efficiency, power factor corrected, isolated LED driver employing LYTSwitch-3 LYT3315D. Its operating input voltage ranges from 90 VAC to 13...

10 W TRIAC Dimmable PFC Buck-Boost LED Driver

This design example report presents a 10 W TRIAC dimmable high frequency, power factor corrected buck-boost LED driver employing LYTSwitch™-3 LYT3316D. This LED driver operates in an input voltage ranging...

12 W Isolated Supply for Smart Lighting

This engineering report describes a constant voltage (CV) output 12 W isolated flyback power supply with a valley-fill passive power factor correction circuit for smart lighting applications. The power supply...

275 W PFC Front-End

This reference design describes a PFC power supply utilizing a HiperPFS-4 PFS7627H PFC controller with integrated power MOSFET and external boost diode. This power supply is intended as a general...