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SC441

Part Number	SC441
Manufacturer	Semtech Corporation
Description	High Effi ciency Integrated Driver
Published	Nov 17, 2008
Detailed Description	SC441 High Efficiency Integrated Driver for 4-Strings of 150mA LEDs POWER MANAGEMENT Features Wide input voltage range f...
Datasheet	SC441 PDF File

Overview

SC441 High Efficiency Integrated Driver for 4-Strings of 150mA LEDs POWER MANAGEMENT Features Wide input voltage range from 4.
5V to 21V 36V maximum output voltage Drives up to 40 WLEDs in 4 strings Programmable LED current for up to 150mA per string +/- 2% string-to-string current matching Up to 90% efficiency Wide 0.
2% to 100% PWM dimming range www.
DataSheet4U.
com Possible analog dimming Integrated 2.
5A power switch 800kHz switching frequency for small size Adjustable OVP for cost-effective output cap selection Open/short LED protection Thermal protection with auto-recovery Thermally enhanced TSSOP-20 EDP package Fully WEEE and RoHS compliant Description The S...

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