Tech news tagged ‘high voltage’

CamSemi introduces 20W LED driver

The C3183 is an LED driver with a power range from 3 to 20W. It uses Primary Side Sensing (PSS) and power-saving technologies, says the compnay. Without needing a high voltage input electrolytic capacitor, the IC delivers a power factor of 0.7. It can be configured in isolated…

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Power chip for 75W LED lighting

Power Integrations has introduced chips for mains-powered LED lighting up to 75W. The single stage design has both power factor correction (PFC) and a constant current regulation, and is aimed at high-bay, car park and street lamps. There are two devices: LNK410EG (dimming) and LNK420EG (non-dimming), plus…

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X-Fab adds 700V CMOS process to support LED lighting

X-Fab, the silicon foundry, has added a 700V CMOS process for ultra-high-voltage consumer applications such as AC LED lighting, chargers with no-load power consumption and other power conversion and control applications, writes David Manners.   “Our new XU035 process enables our customers to compete effectively in energy…

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CamSemi targets LED lighting

CamSemi has announced a family of off-line isolated LED drivers for lighting, writes Steve Bush. Dubbed C312x, the drivers implement a quasi-resonant boost/flyback topology, claimed to offer +/-5% current regulation, efficiency over 80% and power factors greater than 0.9 from an isolated design. “Three driver ICs…

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Cree targets compact lamps with high voltage LEDs

To allow smaller power supplies for compact lamps, Cree has released higher voltage lighting LEDs, writes Steve Bush. With the same footprint as the MX-6 and MX-3 LEDs, the 20V MX-6S and 10.7V MX-3S are designed for space-constrained LED lamps and bulbs…

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LED driver integrates PFC and isolated step-down AC-DC power conversion

ON Semiconductor has an LED driver that integrates power factor correction (PFC) and isolated step-down AC-DC power conversion in a single stage, writes Richard Wilson.

Intended for LED-based street lighting and architectural lighting applications of between 40W and 150W, the NCL30001 is designed to operate in continuous…

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Seoul aims for 150 lm/W mains LEDs

Seoul Semiconductor will be mass producing 150 lm/W mains voltage ‘Acriche’ LEDs by the end of the year, claims the firm. It is putting 100 lm/W devices into production this month, writes Steve Bush…

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