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ADD5211

Part Number	ADD5211
Manufacturer	Analog Devices
Description	White LED Driver
Published	Mar 10, 2013
Detailed Description	Preliminary Technical Data FEATURES White LED driver based on an inductive boost controller Wide input voltage range: 4....
Datasheet	ADD5211 PDF File

Overview

Preliminary Technical Data 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 switching rising/falling time Drives up to 4 LED current sinks with internal MOSFETs Brightness control with PWM input Adjustable LED current: 40 mA up to 200 mA Headroom control to maximize efficiency LED dimming frequency: up to 25 kHz 1000:1 PWM dimming at 300 Hz Open drain fault indicator LED open and LED short fault protection Thermal shutdown Undervoltage loc...

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