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LTC4059A - 900mA Linear Li-Ion Battery Chargers

Download the LTC4059A datasheet PDF. This datasheet also covers the LTC4059 variant, as both devices belong to the same 900ma linear li-ion battery chargers family and are provided as variant models within a single manufacturer datasheet.

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Note: The manufacturer provides a single datasheet file (LTC4059_LinearTechnology.pdf) that lists specifications for multiple related part numbers.

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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U U LTC4059/LTC4059A 900mA Linear Li-Ion Battery Chargers with Thermal Regulation in 2 × 2 DFN FEATURES DESCRIPTIO ■ Programmable Charge Current Up to 900mA ■ Charge Current Monitor Output for Charge Termination ■ Constant-Current/Constant-Voltage Operation with Thermal Regulation to Maximize Charging Rate Without Risk of Overheating ■ Constant-Current Source Mode for Charging Nickel Batteries (LTC4059 Only) ■ ACPR Pin Indicates Presence of Input Supply (LTC4059A Only) ■ No External MOSFET, Sense Resistor or Blocking Diode Required ■ Operating Supply Voltage from 3.75V to 8V ■ Charges Single Cell Li-Ion Batteries Directly from USB Port ■ Preset 4.2V Charge Voltage with 0.