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ADP8140

Analog Devices
Part Number ADP8140
Manufacturer Analog Devices
Description 4-Channel High Current LED Driver
Published Mar 5, 2017
Detailed Description Data Sheet 4-Channel High Current LED Driver with Adaptable Power Control ADP8140 FEATURES Highly integrated feature s...
Datasheet PDF File ADP8140 PDF File

ADP8140
ADP8140


Overview
Data Sheet 4-Channel High Current LED Driver with Adaptable Power Control ADP8140 FEATURES Highly integrated feature set for a high brightness LED driver solution with minimal external components 4 current sink channels with an adjustable current from 125 μA to 500 mA Analog and pulse-width modulation (PWM) dimming inputs Analog and PWM LED current outputs 2% (maximum) matching between LED channels 5% (maximum) LED current accuracy Operates from VIN of 3 V to 30 V; higher voltages easily accomplished with an external Zener diode Operates with LED anode supply voltages up to 100 V dc Feedback output controls external power source for optimal efficiency and safety Multiple ADP8140 IC operation in parallel to control one power supply Integrated error amplifier for secondary side control of isolated power supplies Easy connection of a temperature thermistor or light sensor Provides robust protection of the entire system Power supply overvoltage protection LED overtemperature protection L...



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