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: