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60V Buck-Boost Controller Drives High Power LEDs

May 30, 2013 // Keith Szolusha, Linear Technology // 0 comments

60V Buck-Boost Controller Drives High Power LEDs Download White Paper 78Ko

The LT®3791 is a 4-switch synchronous buck-boost DC/DC converter that regulates both constant-current and constant-voltage at up to 98.5% efficiency with a single inductor. It can deliver hundreds of watts and features a 60V input and output rating, making it ideal for driving high power LED strings and charging high voltage batteries when both step-up and step-down conversion is needed.


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This month, Cherry is giving away five of its Energy Harvesting Evaluation kits, worth over 266 Euros each, for EETimes Europe's readers to win. Cherry's energy harvesting technology benefit mostly applications where a complex wire assembly and/or batteries would be inappropriate.

The required RF-energy is created by the mechanical actuation of the switch and the data is transmitted wirelessly using RF-technology. The technology is very easy to install, fit and forget, with two standardised package versions for industrial applications: a rocker switch for actuation by hand and a snap-action switch for mechanical actuation.

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