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LED Lighting

The LED lighting drivers are required to provide stable constant current for brightness consistence control, and high efficiency and high power factor for energy saving. Richtek has developed the comprehensive high-performance portfolio of LED driver solutions in different topologies to fulfil application requirements, including AC/DC isolated and non-isolated drivers, DC/DC LED drivers and innovative MR16 drivers. Featuring low standby power consumption, high precise dimming and highly-integrated design, our LED driver solutions are ideal for various LED light fixtures as well as smart lighting applications. Richtek also provides application notes and reference designs to address the design challenges such as flicker-free, light quality improvement, and low EMI requirements. For complete overall LED lighting driver solutions, please search and then download the product selection guide ‘Power Solutions for LED Lighting Applications’.

Light Source Replacement

AC/DC Isolated LED Drivers

AC/DC isolated LED drivers can support designs for safety requirements in particular for high power applications. Richtek’s LED driver solutions help engineers simplify designs by using primary and secondary side controls while maintaining tight current regulation. Our products feature high power factor, fast start up, analog and PWM dimming functions.

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Light Source Replacement

AC/DC Non-Isolated LED Drivers

AC/DC non-isolated LED drivers can achieve high efficiency with less BOM count, ideal for cost-sensitive LED lamp replacement. Richtek’s LED driver solutions feature high efficiency, high power factor, excellent current regulation and few EMI components. Furthermore, our THD compensation design enables system to pass IEC-61000-3-2 class C in buck configuration.

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Light Source Replacement

DC/DC LED Drivers

Richtek has developed the variety of DC/DC converters and controllers LED drivers for battery-powered system or two stage topology with ultra-low power consumption and 1% precise dimming performance.

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Light Source Replacement

MR16 LED Drivers

MR16 light fixture needs to match with 12Vac from different kinds of electronic transformers. Richtek’s unique two-stage LED drivers feature very high ET compatibility and high power factor in compact packages. Richtek aims to deliver high performance and high reliability to your MR16 design.

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