Analog Devices Inc.

Dual Input USB/AC Adapter Li-Ion Battery Charger with 600mA Buck Converter Features: Charges Single-Cell Li-Ion Batteries from Wall Adapter and USB Inputs Automatic Input Power Detection and Selection Charge Current Programmable Up to 950mA from Wall Adapter Input High Efciency 600mA Synchronous DC/DC Converter No External MOSFET, Sense Resistor or Blocking Diode Needed Thermal Regulation Maximizes Charge Rate Without Risk of Overheating* Preset Charge Voltage with ±0.6% Accuracy Programmable Charge Current Termination 1.5MHz Constant Frequency Operation (Step-Down Converter) 18μA USB Suspend Current in Shutdown Independent “Power Present” Status Outputs Charge Status Output Automatic Recharge Available in a Thermally Enhanced, Low Prole (0.75mm) 16-Lead (5mm × 3mm) DFN Package

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