FAN5345 Datasheet (Fairchild Semiconductor)

FAN5345, Series Boost LED Driver

The FAN5345 is an asynchronous constant-current LED driver that drives LEDs in series to ensure equal brightness for all the LEDs.

FAN5345S20X has an output voltage of 20V and can drive up to 5 LEDs in series.

FAN5345S30X has an output voltage of 30V and drive up to 8 LEDs in series.

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FAN5345 Features

* Asynchronous Boost Converter

* Drives LEDs in Series:  FAN5345S20X: 20V Output  FAN5345S30X: 30V Output

* 2.5V to 5.5V Input Voltage Range

* Single-Wire Digital Control Interface to Set LED Brightness Levels  32 Linear Steps

* 1.2MHz Fixed Switching Frequency

* Soft-Star