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LTC4080 - 500mA Standalone Li-Ion Charger

Description

The LTC®4080 is a complete constant-current/constantvoltage linear battery charger for a single-cell 4.2V lithium-ion battery with an integrated 300mA synchronous buck converter.

The small packages and low external component count make the LTC4080 especially suitable for portable applications.

Features

  • nn Complete Linear Battery Charger with Integrated Buck Converter Battery Charger: nn Constant-Current/Constant-Voltage Operation with Thermal Feedback to Maximize Charge Rate without Risk of Overheating nn Internal 4.5-Hour Safety Timer for Termination nn Charge Current Programmable Up to 500mA with 5% Accuracy nn C/10 Charge Current Detection Output nn 5µA Supply Current in Shutdown Mode Switching Regulator: nn High Efficiency Synchronous Buck Converter nn 300mA Output Current nn 2.7V to 4.5V.

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Datasheet preview – LTC4080

Datasheet Details

Part number LTC4080
Manufacturer Linear Technology
File Size 458.21 KB
Description 500mA Standalone Li-Ion Charger
Datasheet download datasheet LTC4080 Datasheet
Additional preview pages of the LTC4080 datasheet.

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Full PDF Text Transcription

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FEATURES nn Complete Linear Battery Charger with Integrated Buck Converter Battery Charger: nn Constant-Current/Constant-Voltage Operation with Thermal Feedback to Maximize Charge Rate without Risk of Overheating nn Internal 4.5-Hour Safety Timer for Termination nn Charge Current Programmable Up to 500mA with 5% Accuracy nn C/10 Charge Current Detection Output nn 5µA Supply Current in Shutdown Mode Switching Regulator: nn High Efficiency Synchronous Buck Converter nn 300mA Output Current nn 2.7V to 4.5V Input Range (Powered from BAT Pin) nn 0.8V to VBAT Output Range nn MODE Pin Selects Fixed (2.
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