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LTC3558

Part Number	LTC3558
Manufacturer	Linear Technology
Description	Linear USB Battery Charger
Published	Jun 8, 2009
Detailed Description	FEATURES Battery Charger n Standalone USB Charger n Up to 950mA Charge Current Programmable via Single Resistor n HPWR I...
Datasheet	LTC3558 PDF File

Overview

FEATURES Battery Charger n Standalone USB Charger n Up to 950mA Charge Current Programmable via Single Resistor n HPWR Input Selects 20% or 100% of Programmed Charge Current n NTC Input for Temperature Qualiﬁed Charging n Internal Timer Termination n Bad Battery Detection Switching Regulators (Buck and Buck-Boost) n Up to 400mA Output Current per Regulator n 2.
25MHz Constant-Frequency Operation n Power Saving Burst Mode® Operation n Low Proﬁle, 20-Lead, 3mm × 3mm QFN Package APPLICATIONS n SD/Flash-Based MP3 Players n Low Power Handheld Applications LTC3558 Linear USB Battery Charger with Buck and Buck-Boost Regulators DESCRIPTION The LTC®3558 is a USB battery charger with dual high efﬁcien...

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