Datasheet Linear Technology LTC3811EUHF#PBF — Ficha de datos

FabricanteLinear Technology
SerieLTC3811
Numero de parteLTC3811EUHF#PBF

Controlador DC / DC reductor multifásico de baja velocidad dual

Hojas de datos

Datasheet LTC3811
PDF, 552 Kb, Idioma: en, Archivo subido: sept 23, 2017, Páginas: 48
High Speed Dual, Multiphase Step-Down DC/DC Controller
Extracto del documento

Precios

Embalaje

Package5x7 QFN-38
Package CodeUHF
Package Index05-08-1701

Paramétricos

ArchitectureConstant Frequency Current Mode
Demo BoardsDC971A
Design ToolsLTspice Model
Export Controlno
FeaturesPolyPhase, Differential Remote Sense, DCR Current Sense, Power Good, Tracking, Sequencing, Selectable Switching Frequency, External Synchronization, PLL
Frequency500 kHz
Frequency Adjust Range250kHz to 750kHz
Frequency Sync Range150kHz to 900kHz
Integrated Inductorno
Ishutdown20 µA
Isupply10.5 mA
Max Phases2, 3, 4, 6, 12
Monolithicno
Number of Outputs2
Operating Temperature Range0 to 85 °C
Output Current20 A
Output Current 220 A
Polyphaseyes
Sense ResistorRsense, DCR
Switch Current20 A
Switch Current 220 A
Synchronousyes
TopologyBuck
Topology 1Buck
Topology 2Buck
Vin Max30 V
Vin Min4.5 V
Vout Max3.3 V
Vout Maximum3.3V
Vout Min0.6 V
Vout Min 20.8 V
Vref Accuracy Over Temp0.5 %

Plan ecológico

RoHSObediente

Notas de Diseño

  • Multiphase DC/DC Controller Pushes Accuracy and Bandwidth Limits &mdash DN434
    PDF, 106 Kb, Archivo publicado: enero 15, 2008
    Extracto del documento

Linea modelo

Clasificación del fabricante

  • Power Management > Switching Regulator > Step-Down (Buck) Regulators > Multiple Output Buck | External Power Switch Buck Controllers

Otros nombres:

LTC3811EUHFPBF, LTC3811EUHF PBF