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.
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