Fairchild Semiconductor’s Power Switch Improves Off-Line Power Supply Designs
February 02 2010 - 12:00PM
Business Wire
Responding to customer needs for solutions that can provide
lower standby power consumption and easier design in off-line power
supplies, Fairchild Semiconductor (NYSE: FCS) has developed the
only power switch in the industry that integrates drain-current
sensing in a 650V internal avalanche-rugged SenseFET, reducing
power dissipation and improving reliability by shortening the
over-current time delay to less than 200 ns.
This FPS™ power switch for off-line power supplies up to 60
Watts (for universal AC input) – the FSGM0565R – achieves
exceptional standby power consumption in a 66 kHz flyback
converter: 120 mW at 265 VAC in with 25 mW of load. This is enabled
by the SenseFET, a high-voltage startup circuit that turns off the
startup resistor, and “soft burst” operation in standby, saving
30mW and preventing the converter from generating audible
noise.
Many protection features are built-in, all with auto-restart, to
reduce component count in the power supply, providing designers
with greater value and higher reliability. These include overload
protection, over-voltage protection, abnormal over-current
protection, internal thermal shutdown with hysteresis, output short
protection and under-voltage lockout. The combination of low
component count and high reliability makes this power switch
attractive for many applications including LCD TVs and
monitors—especially four-lamp LCD monitors.
Other advanced features include a wide supply-voltage range (12
to 24 VDC), built-in 15 ms soft-start and enhanced lightning surge
immunity.
The FSGM0565R, available in a 6-lead TO-220F package, is part of
the Fairchild Power Switch (FPS™) portfolio that offers design
engineers many choices of integrated controllers and MOSFETs with
complete circuit protection for power levels from a few Watts to a
few hundred Watts.
Price (each, 1k pcs.): US $1.00
Availability: Samples available now
Delivery: 6-8 weeks
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/FS/FSGM0565R.pdf
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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