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ON Semi touts 'smallest' dual-output white LED drivers

Posted: 09 Nov 2006 ?? ?Print Version ?Bookmark and Share

Keywords:ON Semiconductor? NCP5602? NCP5612? LED? drivers?

NCP5602 and NCP5612 white LED drivers from ON Semi

ON Semiconductor has expanded its LED portfolio with the addition of two dual-output white LED drivers for handheld and consumer applications. Offered in the 2-by-2-by-0.55mm LLGA-12 package, the NCP5602 and NCP5612 are said to be the industry's smallest dual-output charge pumps for driving LCD display backlighting. Each device achieves up to 87 percent peak efficiency with 0.2 percent LED-to-LED matching, the company said, thus assuring matched and consistent brightness.

The new LED drivers have a built-in ICON function that drives a low current through one of the two LEDs, allowing the clock display to be seen even in a dark environment. This dimming mode eliminates the need for additional software programming and simplifies overall design. To ensure safe operation without adding extra components, the devices feature short-circuit and overvoltage protection.

"As LED technology and brightness improves, small handheld LCD displays will require fewer white LEDs for backlighting," said Hyung-Sup Kim, ON Semiconductor's director for the consumer products division. "The new white LED drivers we are introducing are the smallest dual LED boost drivers on the market today."

The NCP5602 and NCP5612 white LED drivers are offered in a Pb-free LLGA-12 package. They are budgetary priced at 60 cents per unit in 1,000-unit quantities.

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