MAXIM发光二极管照明设计手册(英文版).pdf

MAXIM发光二极管照明设计手册(英文版).pdf

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Maxim LED Drivers for General Lighting Piero Bianco 11/23/09 1 Maxim Confidential 1 Maxim Solutions for LED Replacement Lamps with AC Input The design of LED replacement (retrofit) lamp drivers poses many challenges, like: – Management of heat dissipation – Lifetime of LED driver board at the high (80-100°C) operating temperature of the lamp – Flicker-free operation with input triac dimmers and electronic transformers (MR16) Maxim solves those challenges, with proprietary solutions that feature: – Flicker-free operation with triac dimmers and electronic transformers, and wide range dimmability – No electrolytic capacitors longer driver circuit lifetime (50,000h vs 10,000h) Maxim Confidential 2 Driver Solutions for MR16 Lighting Maxim Confidential 3 Transformer-Compatible Solution for Dimmable MR16 • Innovative solution • Perfect replacement of halogen MR16 lamps • MR16 lamp works with electronic transformers and dimmable with trailing edge dimmers! • No electrolytic or large value capacitors longer lifetime, smaller MAX16834 form factor, lower BOM cost • Patent pending • Contact us at hb_led@ for more information Maxim Confidential 4 Low Cost MR16 Solution • Low cost IC (MAX16820/32) • No electrolytic capacitors longer lamp lifetime, smaller form factor • Very low number of components • Compatible with most commercially available electron

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