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60V DC/DC LED drivers target solid state lighting systems

Posted: 15 Feb 2013 ?? ?Print Version ?Bookmark and Share

Keywords:solid state lighting? DC/DC LED driver? power conversion?

Infineon Technologies AG has rolled out a couple of 60V DC/DC LED drivers that claim to offer outstanding power conversion efficiency, benchmark current accuracy that helps assure constant light output, and adjustable over-temperature protection that protects light elements from damage through overheating. The ILD6070/ILD6150 drivers give lighting manufacturers the flexibility to produce multiple products using the same drivers, based on wide input voltage range (4.5-60V), adjustable output current of up to either 0.7A or 1.5A and support of digital or analogue dimming inputs, with a maximum dimming contract ratio as high as 3000:1, added the company.

With the addition of 60V devices to its portfolio, Infineon enables manufacturers to support as many as 18 LEDs in a light string, compared to a maximum of 12 LEDs in typically available 40V devices, the company boasted. This helps manufacturers to lower costs or achieve higher lumens in a lighting system.

The drivers target low voltage driven lighting applications, including indoor and outdoor systems in residential, commercial and industrial environments. They operate at up to 1MHz switching frequency, which reduces manufactured cost and PCB space by reducing the size of external components needed in a design. Reduced size is also supported by the high efficiency and corresponding improved thermal performance of the drivers.

Samples of the ILD6070/ILD6150 drivers will be available in March, at a cost of $ 1.50 and $ 1.80, respectively. High volume pricing, above 10k quantity, of the DSO-8 packaged devices is about $0.80.

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