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LTC3559-1 - Linear USB Battery Charger

General Description

The LTC®3559/LTC3559-1 are USB battery chargers with dual high efficiency buck regulators.

The parts are ideally suited to power single-cell Li-Ion/Polymer based handheld applications needing multiple supply rails.

Key Features

  • 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 n CHRG Indicates C/10 or Timeout Buck Regulators n 400mA Output Current n 2.25MHz Constant Frequency Operation n Zero Current in Shutdown n Low Noise Pulse Skip Operation or Power Saving Burst Mode Operation n Low No-Load Quiescent Curr.

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📁 Similar Datasheet

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Other Datasheets by Linear Technology (Analog Devices)

Part Number Description
LTC3559 Linear USB Battery Charger
LTC3550 Dual Input USB/AC Adapter Li-Ion Battery Charger
LTC3550-1 Dual Input USB/AC Adapter Li-Ion Battery Charger
LTC3552 Standalone Linear Li-Ion Battery Charger and Dual Synchronous Buck Converter
LTC3552-1 Standalone Linear Li-Ion Battery Charger and Dual Synchronous Buck Converter

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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FEATURES 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 n CHRG Indicates C/10 or Timeout Buck Regulators n 400mA Output Current n 2.