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Driver for blinking LED indicators draws ultralow power

Posted: 11 Dec 2007 ?? ?Print Version ?Bookmark and Share

Keywords:LED driver? ultralow power draw? blinking indicators?

Fairchild Semiconductor has unveiled a small-form-factor LED driver that uses ultralow power for blinking LED applications. The FAN5645, a single wire programmable LED driver, offers a flexible and compact solution for blinking LED indicators. This device records a blinking pattern and plays it indefinitely, eliminating the need for continual system processor control. This results in significant energy savings and longer battery life since the FAN5645 consumes much less current (33?A) when compared to a system processor's consumption in the mA range. The autonomous operation of the FAN5645 LED driver eliminates the need for an interrupt driven processor to control the sequencing of the LED, freeing up processor bandwidth. Packaged in a compact MLP 3mm x 3mm package, the FAN5645 is ideal for space-constrained portable and battery-operated applications such as cell phones, toys, home appliances, mobile computing, Bluetooth peripherals, rechargeable flashlights, motion sensors and power tools.

The FAN5645 utilizes Pb-free terminals and has been characterized for moisture sensitivity in accordance with the Pb-free reflow requirements of the joint IPC/Jedec standard J-STD-020. All of Fairchild's products are designed to meet the requirements of RoHS.

Samples are available, and the price is at 65 cents each for 1,000 pieces.




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