LTC3558 - Linear USB Battery Charger

Linear Technology

Datasheet Details

The LTC®3558 is a USB battery charger with dual high efﬁciency switching regulators.

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.

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Published: Jun 8, 2009 |