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Industry’s first PFC and ballast control IC is integrated in an 8-Pin SO-8 package for energy efficient lighting

Industry’s first PFC and ballast control IC is integrated in an 8-Pin SO-8 package for energy efficient lighting

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By eeNews Europe



The IRS2580DS includes a boost converter control circuit operating in critical-conduction free-running frequency mode to provide power factor correction with ultra-low THD. The new IC also includes a 600 V half-bridge control circuit working at 50 percent duty-cycle and variable frequency for driving the resonant mode lamp output circuit.

Complete fault protection circuitry is also included for protection against such conditions as mains interrupt or brown-out, lamp non-strike, lamp filament failure and end-of-life. The IRS2580DS requires only two primary control pins to perform all of the necessary ballast functions. These functions include an analog voltage-to-frequency input pin for programming the different operating frequencies for preheating, igniting and running the lamp, and a PWM output pin for controlling the on and off times during each switching cycle of the PFC boost converter.

Pricing for the IRS2580DS begins at US $1.05 each in quantities of 10,000-units. Production quantities are available immediately. The devices are lead free and RoHS compliant.

More information about the IRS2580DS Combo8 IC at
www.irf.com/product-info/datasheets/data/irs2580dspbf.pdf.

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