LM3429 N-Channel Controller for Constant Current LED Drivers www.
DataSheet4U.
com PRELIMINARY LM3429 April 30, 2009 N-Channel Controller for Constant Current LED Drivers General Description The LM3429 is a versatile high voltage LED driver controller.
With the capability to be configured in a Buck, Boost, BuckBoost (Flyback), or SEPIC topology, and an input and output operating voltage rating of 75V, the LM3429 is ideal for illuminating LEDs in a very diverse, large family of applications.
Adjustable high-side current sense with a typical sense voltage of 100 mV allows for tight regulation of the LED current with the highest efficiency possible.
Output LED current regulation is based on ...

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