International Rectifier, IR® (NYSE: IRF), a world leader in power management technology, today introduced the IRS2980 high-voltage buck regulator control IC for LED light bulb replacement, LED tube lighting and other non-isolated LED driver applications. Rated at 600 V, the IRS2980 is the first in a family of high-voltage LEDrivIR™ ICs, and utilizes hysteretic average current mode control for precise current regulation. The LED buck driver features low-side MOSFET drive with high-voltage internal regulator and high-side current sens...

International Rectifier, IR® has designed the IRS2548D Switched Mode Power Supply (SMPS) control IC available for high power LED illumination including LED street lighting, stadium lighting and theatrical lighting.   Combining Power Factor Correction (PFC) and half-bridge driver in a single IC ,the IRS2548D offers greater than 88 percent efficiency for a 40 V / 1.3 A HBLED load to deliver a higher efficiency solution compared to alternative flyback converter solutions at power levels above 60 W. The new device achieves PWM dimmin...