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LTC4079 - 250mA Linear Charger

General Description

The LTC®4079 is a low quiescent current, high voltage linear charger for most battery chemistry types including Li-Ion/Polymer, Lead-Acid or NiMH battery stacks up to 60V.

The maximum charge current is adjustable from 10mA to 250mA with an external resistor.

Key Features

  • n Wide Input Voltage Range: 2.7V to 60V n Adjustable Battery Voltage: 1.2V to 60V n Adjustable Charge Current: 10mA to 250mA n Low Quiescent Current While Charging: IIN = 4µA n Ultralow Battery Drain When Shutdown or Charged: IBAT < 0.01µA n Auto Recharge n Input Voltage Regulation for High Impedance Sources n Thermal Regulation Maximizes Output Current without Overheating n Constant Voltage Feedback with ±0.5% Accuracy n NTC Thermistor Input for Temperature Qualified Charging n Adj.

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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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LTC4079 60V, 250mA Linear Charger with Low Quiescent Current Features n Wide Input Voltage Range: 2.7V to 60V n Adjustable Battery Voltage: 1.2V to 60V n Adjustable Charge Current: 10mA to 250mA n Low Quiescent Current While Charging: IIN = 4µA n Ultralow Battery Drain When Shutdown or Charged: IBAT < 0.01µA n Auto Recharge n Input Voltage Regulation for High Impedance Sources n Thermal Regulation Maximizes Output Current without Overheating n Constant Voltage Feedback with ±0.