FAN5609 Datasheet (Fairchild Semiconductor) - LED Driver with Adaptive Charge Pump DC/DC Converter

FAN5609, LED Driver with Adaptive Charge Pump DC/DC Converter

The FAN5609 generates regulated output current from a battery with input voltage varying between 2.7V to 5.5V.

Switch reconﬁguration and fractional switching techniques are utilized to achieve high efﬁciency over the entire input voltage range.

A proprietary internal circuitry continuously monitors

FAN5609 Features

* Parallel LED Driver Supports All Forward Voltages Adaptive VOUT Adjustment to the Highest Diode Voltage Internally Matched LED Current Sources No External Components Needed to Set LED Current Built-in Charge Pump has Three Modes of Operation: