NXP brings high efficiency to 12V MR16 lamps with dimmable LED controller

June 10, 2013
Date Announced: 10 Jun 2013 SSL3401 is a compact, cost-effective GreenChip solution compatible with a wide range of dimmers and transformersNXP Semiconductors N.V. (NASDAQ: NXPI) today unveiled the SSL3401 – a dimmable single-stage controller IC for retrofit MR16 LED lamps using 12V AC mains. The SSL3401 offers compatibility with an exceptionally wide range of dimmers and transformers – working with over 80% of the most common combinations – in a compact form factor that fits in all commonly used MR16 GU5.3 and AR111 housings and sockets. Supporting an ambient temperature range up to 105ºC, the SSL3401 also provides temperature rollback protection. Based on NXP GreenChip™ technology, the SSL3401 generates a stable and accurate current while dimming down to below 5% of maximum light output in most common practical situations. While maximum lamp power depends on the thermal design of the lamp, a typical 7W MR16 LED lamp using the SSL3401 achieves THD below 15%, power factor above 0.9, efficiency up to 78% and LED ripple current below ±10%. “Energy-conscious consumers and businesses worldwide are keen to replace halogen lamps with LEDs – but making the switch to dimmable MR16 LEDs is not always as straightforward as one would expect. With the SSL3401, we’ve designed a compact single-stage controller IC specifically for dimmable MR16 LED lamps, and tested it extensively for compatibility with a wide range of dimmers and transformers,” said Ryan Zahn, general manager, lighting solutions product line, NXP Semiconductors. “By helping retrofit lamp manufacturers to reduce costs, we also hope to ease the transition from halogen to LED on a broader scale, particularly as 12V MR16 lamps emerge as a popular choice in both commercial and residential lighting.”NXP is showcasing the SSL3401 at Guangzhou International Lighting Exhibition this week (Hall 13.2, Booth D37). Evaluation samples are available now, with volume production starting in July 2013.Links• NXP SSL3401 product information: http://www.nxp.com/pip/SSL3401HN • NXP Lighting Driver Solutions Selection Guide: http://nxp.com/led or http://nxp.com/ssl

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