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Generic inverters for backlighting serve in a pinch

Posted: 26 Oct 2005 ?? ?Print Version ?Bookmark and Share

Keywords:endicott research group? d series? dc/ac inverter? dlds60j?

Endicott Research Group's D series of (DC/AC) inverters used to power the cold cathode fluorescent lamps (CCFLs) that backlight a liquid crystal display (LCD) are generic off-the-shelf units that serve as a stand-in for virtually any general application.

"D series inverters have been designed to fill a need for customers who require an inverter right away for evaluation," said Bill Abbott, global market strategist. "If a customer calls for a specific inverter from ERG's LCD module-to-inverter cross-reference guide and it's temporarily out of stock, we can substitute the D series equivalent inverter for evaluation. It will be the same size as the cross-referenced part, and it will fill 90 percent of the requirements out there."

Customers can have these inverters in their hands for demos, layout, or production in a day or two. "When production starts to roll, we switch the customer over to a standard inverter part number under the normal lead times," said Abbott. ERG's standard lead times are 4 weeks, the shortest in the industry, according to the company.

D series inverters such as the 2-lamp model DLDS60J (based on ERG's LDS series inverter) feature a low profile (less than 9 mm), with display-compatible connectors, and are designed to generate 6mA RMS into a 350V to 550V load from a nominal 12Vdc source. They are compact and lightweight, rated for operation over 0 to 70C, and include on-board PWM dimming.

Pricing in production quantities for the DLDS60J is $12.70 each.

- Vince Biancomano


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