Datasheet Linear Technology LTC3557 — Ficha de datos

FabricanteLinear Technology
SerieLTC3557

Administrador de energía USB con cargador de iones de litio y tres reguladores reductores

Hojas de datos

LTC3557/LTC3557-1 USB Power Manager with Li-Ion Charger and Three Step-Down Regulators
PDF, 326 Kb, Revisión: C, Archivo subido: oct 22, 2017
Extracto del documento

Precios

Embalaje

LTC3557EUF#PBFLTC3557EUF#TRPBF
N12
Package4x4 QFN-28
Dibujo del esquema del paquete
4x4 QFN-28
Dibujo del esquema del paquete
Package CodeUFUF
Package Index05-08-172105-08-1721
Pin Count2828

Paramétricos

Parameters / ModelsLTC3557EUF#PBFLTC3557EUF#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

Plan ecológico

LTC3557EUF#PBFLTC3557EUF#TRPBF
RoHSObedienteObediente

Otras opciones

LTC3557-1

Artículos

  • 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, Archivo publicado: jun 14, 2007
    Extracto del documento
  • 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, Archivo publicado: sept 23, 2008
    Extracto del documento

Linea modelo

Clasificación del fabricante

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