An LED-driver reference design for an LED replacement of 100W incandescent bulbs has been introduced by Power Integrations, writes Richard WIlson. Dubbed DER-322, the circuit is desigend to fit neat ...

Arraying LEDs and picking a driver IC. For this example design, 100 LEDs will be used and each dissipates 1W. An intermediate DC bus of 48V is a good choice because off-the-shelf AC-DC power supplies ...

Supertex introduced PS30, a constant frequency (67kHz), constant duty cycle LED driver optimized for dimmable off-line LED bulb/tube applications, providing high power factor ...

Date Announced: 14 Sep 2011 LED lighting drive power in the market is usually divided into two level architecture and one level architecture, one level architecture means to convert 220V electricity ...

Date Announced: 25 Feb 2010 The LED lighting applications market just like fire and flowering rush, it seems that not receive from the global economic recession and the impact of China's economic ...

Supertex , a recognized leader in high voltage analog and mixed signal integrated circuits , today introduced PS30, a constant frequency , constant duty cycle LED driver optimized for dimmable off ...

The whole thing was mounted in a full-brim hard hat with 1W “high-beam” and 3 “low-beam” LEDs; an 12 red warning LEDs around the rim driven by two more 74HC14 circuits (one as a pierce ...