FAN5616 Datasheet | Fairchild Semiconductor

.. FAN5616 High-Efficiency, Constant-Current LED Driver with Adaptive Charge Pump November 2005 FAN5616 High-Efficiency, Constant-Current LED Driver with Adaptive Charge Pump Features - 3-Channel Parallel LED Driver for a Large Range of - - - - - - - - - - - - - - - - - - - Description The FAN5616 generates a regulated output current from a battery with an input voltage between 2.7V to 5.5V. Switch reconfiguration and fractional switching techniques are utilized to achieve high efficiency over the entire input voltage range. The adaptive nature of the built-in charge pump eliminates the need for LED preselection (matching) and ensures operation with high efficiency. The...