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LTC4076 Datasheet Dual Input Standalone Li-Ion Battery Charger

Manufacturer: Linear Technology (now Analog Devices)

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Overview

LTC4076 Dual Input Standalone Li-Ion Battery Charger www.DataSheet4U.com ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ U APPLICATIO S ■ ■ ■ ■ 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 C/X Charge Current Termination Thermal Regulation Maximizes Charge Rate Without Risk of Overheating* Preset Charge Voltage with ±0.6% Accuracy 18µA USB Suspend Current in Shutdown Power Present Status Output Charge Status Output Automatic Recharge Available in a Thermally Enhanced, Low Profile (0.75mm) 10-Lead (3mm × 3mm) DFN Package The LTC®4076 is a standalone linear charger that is capable of charging a single-cell Li-Ion battery from both wall adapter and USB inputs.

The charger can detect power at the inputs and automatically select the appropriate power source for charging.

No external sense resistor or blocking diode is required for charging due to the internal MOSFET architecture.

Key Features

  • include automatic recharge, undervoltage lockout, charge status output, power present status output to indicate the presence of wall adapter or USB power and high power/low power mode (C/5) for USB compatible.

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