EDN

High Efficiency High Power Factor LED Driver

This is a design example report of a high efficiency, high power factor, 15 W LED driver employing LinkSwitch™-PH LNK417EG. This design features no electrolytic capacitor, clean monotonic start-up, ...
EDN

5.8 W High Power Factor TRIAC Dimmable LED Driver

This is a design example report of a 5.8 W high power factor, non-isolated buck-boost, TRIAC dimmable LED driver employing LYTSwitch™-4 LYT4311E. This design is specified with an input voltage range ...
Electronic Design

LED Driver Enables High Power Factor Retrofit LED Lamps

Diodes Incorporated has announced the AP1684, a power factor-corrected AC-DC LED driver suiting a variety of offline LED lamp types, including E26, GU10, PAR and T8. The AP1684 from Diodes ...
Electronic Design

Single-Stage LED Driver Design Delivers 50,000-Hour Lifetimes

Non-isolated buck LED driver reference design describing a 90 VAC to 308 VAC, >0.95 power factor LED driver power supply, suitable for high-bay, exterior and street-lighting applications. Power ...
Hosted on MSN

Simplified power factor correction: Sensorless control could enable smaller, more reliable electronic adapters

Single-phase power factor correction (PFC) circuits—a kind of front-end AC/DC converters—are ubiquitous in a variety of consumer electronic devices, including laptop adapters, LED driver power ...