Fairchild Semiconductor's Integrated ``FET Plus Driver Multi-Chip Module'' is Optimized to Enable High-Frequency Switching in Co
March 01 2007 - 11:16AM
Business Wire
Fairchild Semiconductor (NYSE:FCS) introduces the FDMF8700, the
first model in a new suite of highly integrated �FET Plus Driver
Multi-chip Modules� for use in high-current synchronous buck
applications supporting Intel�s DrMOS Vcore DC-DC converter
standard. The FDMF8700 is a fully integrated power-stage solution
offered in a space-saving 8 x 8mm micro-lead frame (MLP) package.
By replacing a 12V driver IC and three N-channel MOSFETs, the
FDMF8700 saves 50 percent board space compared to discrete
component solutions. The layout and size of the switches and driver
die are optimized to enable higher-frequency operation and are
intended for use in desktop and server VR11.x vCore conversion,
high-current DC-DC point-of-load converters and small form factor
voltage regulator modules. The FDMF8700 enables designers to
maximize footprint power density, reduce component part count/BOM
cost and shorten time to market. �The FDMF8700 FET Plus Driver is
specifically designed to achieve an optimum application solution by
using components that are matched electrically, thermally and
mechanically to the input and output characteristics of each
element, leading to superior module performance unattainable any
other way,� said Guy Moxey, director of Fairchild�s low voltage
market segment. �The FDMF8700 exemplifies Fairchild�s commitment to
the computing industry through the development of fully optimized,
integrated subsystems delivering higher efficiency, smaller
footprint and more functionality, while providing superior
performance.� Unlike discrete solutions whose parasitic elements
combined with board layout significantly reduce system efficiency,
the FDMF8700 module is designed to both thermally and electrically
minimize parasitic effects and improve overall system efficiency.
In operation, the high-side MOSFET is optimized for fast switching
while the low-side device is optimized for low RDS(on). This
arrangement ideally accommodates the low-duty-cycle switching
requirements needed to convert the 12V bus to supply the processor
core with 1.0V to 1.2V at up to 30A. Fairchild�s MLP 8x8 power
package extends the concept of enhanced packaging for DC-DC
converter applications. The integrated FDMF8700 module provides an
additional efficiency gain of 1.5 to 2 percent for peak- and
steady-power levels compared to discrete solutions using D-Pak
packaging. Key features and benefits of the FDMF8700 include:
Driver-to-FET optimization improves system efficiency, reduces
generated heat; Full power-component integration saves up to 50
percent PCB space versus discrete solutions; Integration simplifies
design and component selection; Reduction of circuit parasitics
increases system efficiency at high frequencies; and This solution
is based on the Intel DrMOS specification. The FDMF8700 is the
first product in the new FET Plus Driver Multi-chip Module family.
Additionally, Fairchild offers a broad range of DC-DC solutions,
including high- and low-side application-specific MOSFETs,
multi-phase DC-DC controllers, and buck regulators. Also available
are multiple point-of-load devices, including LDOs and integrated
switches offering up to 95 percent efficiency. The FDMF8700 is
available in a 56-pin (8 mm x 8 mm) MLP. This lead (Pb)-free
product meets or exceeds the requirements of the joint IPC/JEDEC
standard J-STD-020C and is compliant with European Union
regulations now in effect. Price (each, 1000 pcs): US$ 2.50 �
Availability: Now � Delivery: 8 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:
http://www.fairchildsemi.com/ds/FD/FDMF8700.pdf. About Fairchild
Semiconductor: Fairchild Semiconductor (NYSE:FCS) is the leading
global supplier of high-performance power products critical to
today�s leading electronic applications in the computing,
communications, consumer, industrial and automotive segments. As
The Power Franchise�, Fairchild offers the industry�s broadest
portfolio of components that optimize system power. Fairchild�s
9,000 employees design, manufacture and market power, analog &
mixed signal, interface, logic, and optoelectronics products.
Please contact us on the web at www.fairchildsemi.com.
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