Fairchild Semiconductor’s Expanded PowerTrench® MOSFET Family Provides Higher Power Density, Increased Efficiency in SMPS Designs

Mid-Voltage MOSFETs Reduce Figure of Merit with High-Performance Silicon, Provide Improved Reliability in Synchronous Rectification Applications

SAN JOSE, Calif. — (BUSINESS WIRE) — August 15, 2012 — Power density and light-load efficiency improvement are key issues for server, telecom and AC-DC power designers. Additionally, the synchronous rectification in these switch-mode power supplies (SMPS) designs require cost-effective power supply solutions that minimize board space while increasing efficiency and reducing power dissipation. Fairchild Semiconductor (NYSE: FCS) helps designers meet these power design challenges with the expansion of the PowerTrench® MOSFET family.

Part of the mid-voltage power MOSFET portfolio, these devices are optimized power switches that combine a small gate charge (QG), a small reverse recovery charge (Qrr) and a soft-reverse recovery body diode, allowing for fast switching speeds. Available in a 40V, 60V and 80V rating, these devices require less power dissipation in the snubber circuitry due to an optimized soft-body diode that reduces voltage spikes by up to 15 percent over the competitor’s solution.

Employing a shielded-gate silicon technology that provides charge balance, the devices achieve higher power density, low ringing and better light-load efficiency. By using this technology, the devices achieve a lower figure of merit (QG x RDS(ON)) while reducing driving loss to increase power efficiency.

The first devices available include the 40V FDMS015N04B and 80V FDMS039N08B available in a Power56 package, and the 60V FDP020N06B and 80V FDP027N08B available in a TO-220 3-lead package.

Features and Benefits:

  • Smaller package size (Power56 and TO-220 3-lead) with maximum thermal performance to system size
  • Lower QG to reduce gate driving loss
  • Low QGD/QGS ratio to prevent undesirable turn-on improving system reliability
  • Low dynamic parasitic capacitances to reduce gate driving loss for high-frequency applications
  • 100% UIL tested
  • RoHS Compliant

The addition of these new PowerTrench MOSFETs enhances Fairchild’s mid-voltage MOSFET offering. The devices are part of the comprehensive PowerTrench technology portfolio and are instrumental in achieving higher energy efficiency by meeting the electrical and thermal performance requirements for today’s electronics.

Fairchild Semiconductor: Solutions for Your Success™.

Price: US $ in 1,000 quantity pieces

FDMS015N04B: $1.78
FDMS039N08B: $1.60
FDP020N06B: $4.50
FDP027N08B: $3.30

Availability: Samples available upon request.

Delivery: 8-12 weeks ARO

Contact Information:

To contact Fairchild Semiconductor about this product, please go to: http://www.fairchildsemi.com/cf/sales_contacts/.

For information on other products, design tools and sales contacts, please visit: http://www.fairchildsemi.com.

Note to Editor: For a datasheet in PDF format, please go to:





About Fairchild Semiconductor:

Fairchild Semiconductor (NYSE: FCS) – global presence, local support, smart ideas. Fairchild delivers energy-efficient, easy-to-use and value-added semiconductor solutions for power and mobile designs. We help our customers differentiate their products and solve difficult technical challenges with our expertise in power and signal path products. Please contact us on the web at http://www.fairchildsemi.com.

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Fairchild Semiconductor:
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