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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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