Fairchild Semiconductor Named a Winner of EP China's 2006 Top 10 DC - DC Product Awards; 30V Synchronous Buck Chip Set Optimize
September 06 2006 - 8:35AM
Business Wire
Fairchild Semiconductor (NYSE: FCS), the leading global supplier of
power semiconductors, has been named a winner in Electronic Product
China's Top 10 DC - DC 2006 product awards. The 30V synchronous
buck converter chip set, FDS6298 and FDS6299S was designed
specifically to optimize efficiency and space in notebook computers
using the latest Intel Mobile Voltage Positioning (IMVP)
specifications. Utilizing Fairchild's PowerTrench(R) MOSFET
technology, the high-side "control" MOSFET (FDS6298) and the
low-side "synchronous" MOSFET (FDS6299S) form a chip set providing
increased current density and improved efficiency in synchronous
buck converter applications. In addition, the FDS6299S device's
monolithic SyncFET(TM) technology eliminates the need for an
external Schottky diode, resulting in board space savings and
reduced assembly costs. Fairchild received the award at a special
ceremony hosted during the 5th Power Technology Conference in
Beijing. The Top 10 DC - DC awards are designed to encourage the
application of power supply technologies in China. "Fairchild's
PowerTrench technology supports a feature-set resulting in high
efficiency. In synchronous buck converter applications, performance
is typically benchmarked in terms of efficiency, which usually
translates to lower die temperature, improved reliability, and it
can also be an indicator of improved electromagnetic compatibility,
or EMI," said David Grey, Fairchild's marketing manager for
Computing Solutions. "PowerTrench technology also reduces the
occurrence of high current spikes due to shoot-through, resulting
in less ringing and radiated electromagnetic noise. Furthermore, by
using an integrated SyncFET(TM) device in the matched pair,
Fairchild's FDS6298/FDS6299S chip set reduces part count compared
to solutions requiring an external Schottky diode." This integrated
chip set features a very low Qgd or "Miller" charge for fast
switching speeds as well as a Qgd / Qgs ratio of less than 1 to
limit the potential for cross-conduction losses. In addition to
Vcore designs, the fast-switching FDS6298 and the low RDS(on)
FDS6299S offer benefits as a matched pair that are well suited for
high current point-of-load (POL) converters in such applications as
high-end communications equipment. Key performance characteristics
of the FDS6298 (high-side) MOSFET include: -- Low total Qg (9nC @
VGS=4.5V) and Qgd (3nC @ VGS=4.5V) for fast-switching speeds to
increase efficiency; -- Optimized die and lead frame design to
reduce package resistance and inductance, reducing conduction and
source terminal inductance switching losses; and -- Rg-specified
and 100% Rg-tested resulting in a well-defined drain-source
switching characteristic. Key performance characteristics of the
FDS6299S (low-side) MOSFET include: -- Low RDS(on) (3.9mOhm (max) @
VGS = 10V) to reduce DC losses; -- Low body diode loss (low QRR and
low forward voltage drop) to improve efficiency; -- Soft-recovery
characteristic to lower noise, and low Crss to reduce the potential
for cross conduction; and -- Low total Qg (31nC @ VGS=5V) for
reducing gate drive requirements. These products are available in a
lead (Pb)-free SO-8 package that meets or exceeds the requirements
of the joint IPC/JEDEC standard J-STD-020B and are compliant with
the European Union requirements now in effect. The FDS6298/FDS6299S
synchronous buck converter chip set is an example of how Fairchild
uses innovative technology to address the specific concerns of
computing applications. Fairchild offers a variety of complementary
products to fulfill the challenges presented by today's designs,
including linear power amplifiers, multi-phase DC/DC controllers,
and multiple point-of-load products such as LDOs. For more
information about these products please go to:
http://www.fairchildsemi.com/pf/FD/FDS6298.html and
http://www.fairchildsemi.com/pf/FD/FDS6299S.html. For information
on other Fairchild products, design tools, and sales contacts,
please visit http://www.fairchildsemi.com. 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(R), 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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