Fairchild's New Controller IC Simplifies Implementation of Power Factor Correction in Switch Mode Power Supplies

Business Wire, April 26, 2001

Business Editors & High-Tech Writers

SAN JOSE, Calif.--(BUSINESS WIRE)--April 26, 2001

Fairchild Semiconductor International (NYSE: FCS) announces the FAN7527, a power factor correction (PFC) controller IC for use with power MOSFETs in electronic ballast and other low power ((less than)150 Watt) switch mode power supply (SMPS) applications. The combination of features found in the FAN7527 facilitates implementation of PFC and eliminates external components, thus reducing the overall system footprint and improving system reliability.

The FAN7527, available in SOP and 8-pin DIP packages, is a boundary conduction, current-mode controller with low start up and operating current to minimize power loss and increase efficiency. The FAN7527's integrated R/C filter eliminates the need for external components. Adjustable over-voltage protection (OVP) circuitry improves turn on overshoot and current limiting characteristics. Other reliability enhancing features include no-load runaway protection and output drive clamping to limit overshoot of the power MOSFET gate.

Improving the power factor in electronic and electrical circuits can increase current-carrying capacity, improve voltage to equipment, reduce power losses and lower electric bills. Furthermore, a key requirement to sell products in the European Community is limiting harmonic emissions that couple into the ac line supply. With the tightening of standards that took effect on Jan 1, 2001 in the European Normative (EN) EN61000-3-2, power factor correction is now required for common office equipment.

          Price:                    US$0.75 in 1,000-piece quantities
          Availability:             Now
          Delivery:                 8-10 weeks ARO

For more information, contact Fairchild Semiconductor Customer Support Group at 888/522-5372, fax 972/910-8036 or visit Fairchild's Web site at www.fairchildsemi.com.

Editor's note: A PDF of the datasheet for this product is available at www.fairchildsemi.com/pf/FA/FAN7527.html. Contact pr@welcomm.com for a product image.

About Fairchild Semiconductor

Fairchild Semiconductor International (NYSE:FCS) is a leading global supplier of high performance products for multiple end markets. With a focus on developing leading edge power and interface solutions to enable the electronics of today and tomorrow, Fairchild's components are used in computing, communications, consumer, industrial, automotive and aerospace applications. Fairchild's 11,500 employees design, manufacture and market power, analog & mixed signal, interface, logic, and optoelectronics products from its headquarters in South Portland, Maine, USA and numerous locations around the world. Please contact us on the Web at www.fairchildsemi.com.