Datasheet Linear Technology LTC3557-1

ManufacturerLinear Technology
SeriesLTC3557-1

USB Power Manager with Li-Ion Charger and Three Step-Down Regulators

Datasheets

LTC3557/LTC3557-1 USB Power Manager with Li-Ion Charger and Three Step-Down Regulators
PDF, 326 Kb, Revision: C, File uploaded: Oct 22, 2017
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Prices

Packaging

LTC3557EUF-1#PBFLTC3557EUF-1#TRPBF
Package4x4 QFN-28
Package Outline Drawing
4x4 QFN-28
Package Outline Drawing
Package CodeUFUF
Package Index05-08-172105-08-1721
Pin Count2828

Parametrics

Parameters / ModelsLTC3557EUF-1#PBFLTC3557EUF-1#TRPBF
Battery ChemistryLi-Ion, Li-PolymerLi-Ion, Li-Polymer
Buck Output Current, A0.4, 0.4, 0.60.4, 0.4, 0.6
Demo BoardsDC1138A-A,DC1138A-B,DC1142A-A,DC1142A-BDC1138A-A,DC1138A-B,DC1142A-A,DC1142A-B
Export Controlnono
FeaturesBattery Charger, Bat-Track, PowerPath, Triple Buck, LDO, Burst ModeBattery Charger, Bat-Track, PowerPath, Triple Buck, LDO, Burst Mode
Float Voltage, V4.2V4.2V
LDO Output Current, A0.0250.025
Max Charge Current, A1.51.5
Number of Cells11
Number of Outputs44
Operating Temperature Range, °C0 to 850 to 85
PowerPathLinear PowerPath, 200mΩ Internal Ideal DiodeLinear PowerPath, 200mΩ Internal Ideal Diode
Type of ChargerLinearLinear
Vin Max, V5.55.5
Vin Min, V2.72.7

Eco Plan

LTC3557EUF-1#PBFLTC3557EUF-1#TRPBF
RoHSCompliantCompliant

Other Options

LTC3557

Articles

  • Highly Integrated USB Power Manager with Li-Ion Charger and Three Step-Down Switching Regulators in 4mm x 4mm QFN &mdash LT Journal
    PDF, 244 Kb, File published: Jun 14, 2007
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  • New Family of Integrated Power Controllers Combine Fast Battery Charging, PowerPath Control and Efficient DC/DC Converters in Less Than 20mm2 &mdash LT Journal
    PDF, 303 Kb, File published: Sep 23, 2008
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Model Line

Manufacturer's Classification

  • Power Management > PMIC & Multifunction > PMIC (DC/DC, PowerPath and Battery Charger)

1-4 Layer PCBs $2