Fairchild Semiconductor Releases Industry’s Highest Efficiency 6MHz 600mA Synchronous Buck Regulator
March 26 2009 - 11:00AM
Business Wire
Fairchild Semiconductor (NYSE: FCS) provides designers of cell
phones, datacards and netbooks a 6MHz synchronous Buck regulator
that delivers high efficiency in a compact and razor-thin
footprint. Higher switching frequencies typically lead to lower
efficiencies. However, the FAN5361�s carefully optimized design
mitigates these losses leading to 91 percent peak efficiency. Even
more notable is the device�s light load efficiency, which is
best-in-class at 82 percent at 1mA load current. By reducing wasted
energy, this synchronous DC/DC step-down converter enables longer
battery life and less heat dissipation in portable applications
that continually strive to accommodate rich functionality.
The FAN5361, a 6MHz 600mA Buck regulator, allows the use of tiny
470nH chip inductors and 0402 case size input and output
capacitors. Compatibility with these passive components allows
system designers to pick chip inductors and capacitors that consume
less board space at a lower cost, resulting in smaller and more
affordable end applications. This DC/DC converter is packaged in a
0.99 x 1.39mm WL-CSP package with a sleek, low profile of 0.6mm,
conserving board space for these space-constrained
applications.
This product uses a proprietary ultra-fast architecture offering
robust transient response while consuming very low quiescent
current, making the application more resilient to sudden
fluctuations in processor or I/O loads. �In addition to handling
large load steps with ease, this architecture minimizes system
disturbances during gradual mode transitions as well,� said Peter
Khairolomour, technical marketing manager at Fairchild
Semiconductor. �When slowly ramping up the load across the
pulse-frequency modulation (PFM) to pulse-width modulation (PWM)
transition point, our customers will notice a very seamless
transition as opposed to the output voltage overshoot often seen in
more traditional architectures. This is especially important
because the transition point occurs in the 150mA range where many
loads spend a significant amount of their time.�
This solution operates at input voltages ranging from 2.3V to
5.5V, meeting the requirements for today�s single Li-Ion and
multiple alkaline/NiMH cell applications. Fixed output voltage
options are available ranging from 1.0V to 1.82V.
The FAN5361 is one of the many portable solutions from Fairchild
that offer novel ways to address the daunting efficiency, space and
performance challenges for portable applications. As portable
applications continue to move to smaller and thinner geometries,
power conservation and effective heat dissipation will become an
even more critical design challenge and Fairchild will continue to
develop new ways to tackle these power challenges.
Price (each, 1000 pcs.): $ US 0.78
Availability: Samples available now
Delivery: 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: http://www.fairchildsemi.com/ds/FA/FAN5361.pdf
Visit our portable solutions page:
http://www.fairchildsemi.com/markets/ultraportable.html
About Fairchild Semiconductor:
Fairchild Semiconductor (NYSE: FCS) is a global leader
delivering energy-efficient power analog and power discrete
solutions. Fairchild is The Power Franchise�, providing
leading-edge silicon and packaging technologies, manufacturing
strength and system expertise for consumer, communications,
industrial, portable, computing and automotive systems. An
application-driven, solution-based semiconductor supplier,
Fairchild provides online design tools and design centers worldwide
as part of its comprehensive Global Power ResourceSM. Please
contact us on the web at www.fairchildsemi.com.
Photos/Multimedia�Gallery Available:
http://www.businesswire.com/cgi-bin/mmg.cgi?eid=5926593&lang=en
Fairchild Semiconductor (NASDAQ:FCS)
Historical Stock Chart
From May 2024 to Jun 2024
Fairchild Semiconductor (NASDAQ:FCS)
Historical Stock Chart
From Jun 2023 to Jun 2024