ADD5211 Datasheet (Analog Devices)

ADD5211, White LED Driver

The ADD5211 is a 4 channel, white LED driver for backlight applications based on high efficiency, current mode, step-up converter technology.

The boost controller drives an external MOSFET switch for step-up regulation from an input voltage of 4.5 V to 40 V and a pin adjustable operating frequency b

ADD5211 Features

* White LED driver based on an inductive boost controller Wide input voltage range: 4.5 V to 40 V Adaptive output voltage to minimize power dissipation Adjustable operating frequency: 200 kHz to 1.2 MHz Programmable UVLO Programmable soft start time for boost converter Programmable external MOSFET swi