SC4509 - Highly Integrated Step-Up Converter

Product Overview

Semtech Corporation

Part number	SC4509
Manufacturer	Semtech Corporation
File Size	452.66 KB
Description	Highly Integrated Step-Up Converter
Datasheet	SC4509 Datasheet
Additional preview pages of the SC4509 datasheet.

SC4509 Highly Integrated Step-Up Converter for White LED Applications in MLPD-W8-2x2

VIN range: 2.7V.
10V Integrated Schottky diode 81% efﬁciency Requires only 4 external components Up to 20V of output voltage 30mA maximum LED current Open LED protection (OVP) 1.2MHz PWM switching frequency Low feedback voltage (20OmV typical) Wide range of PWM dimming Drives up to 5 LEDs 500mA switch current limit 220nF output capacitor Available in 2mm x 2mm x 0.75mm MLPD-W8 and SOT23-6 packages Packages are fully WEEE and RoHS compliant The SC4509 is a.

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Published: Nov 17, 2008 |