Datasheet Linear Technology LTC3811 — Ficha de datos

FabricanteLinear Technology
SerieLTC3811

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

LTC3811EG#PBFLTC3811EG#TRPBFLTC3811EUHF#PBFLTC3811EUHF#TRPBF
N1234
PackageSSOP-36
Dibujo del esquema del paquete
SSOP-36
Dibujo del esquema del paquete
5x7 QFN-38
Dibujo del esquema del paquete
5x7 QFN-38
Dibujo del esquema del paquete
Package CodeGGUHFUHF
Package Index05-08-1640 (G36)05-08-1640 (G36)05-08-170105-08-1701
Pin Count36363838

Paramétricos

Parameters / ModelsLTC3811EG#PBFLTC3811EG#TRPBFLTC3811EUHF#PBFLTC3811EUHF#TRPBF
ArchitectureConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current Mode
Demo BoardsDC971ADC971ADC971ADC971A
Design ToolsLTspice ModelLTspice ModelLTspice ModelLTspice Model
Export Controlnononono
FeaturesPolyPhase, Differential Remote Sense, DCR Current Sense, Power Good, Tracking, Sequencing, Selectable Switching Frequency, External Synchronization, PLLPolyPhase, Differential Remote Sense, DCR Current Sense, Power Good, Tracking, Sequencing, Selectable Switching Frequency, External Synchronization, PLLPolyPhase, Differential Remote Sense, DCR Current Sense, Power Good, Tracking, Sequencing, Selectable Switching Frequency, External Synchronization, PLLPolyPhase, Differential Remote Sense, DCR Current Sense, Power Good, Tracking, Sequencing, Selectable Switching Frequency, External Synchronization, PLL
Frequency, kHz500500500500
Frequency Adjust Range250kHz to 750kHz250kHz to 750kHz250kHz to 750kHz250kHz to 750kHz
Frequency Sync Range150kHz to 900kHz150kHz to 900kHz150kHz to 900kHz150kHz to 900kHz
Integrated Inductornononono
Ishutdown, µA20202020
Isupply, mA10.510.510.510.5
Max Phases2, 3, 4, 6, 122, 3, 4, 6, 122, 3, 4, 6, 122, 3, 4, 6, 12
Monolithicnononono
Number of Outputs2222
Operating Temperature Range, °C0 to 850 to 850 to 850 to 85
Output Current, A20202020
Output Current 2, A20202020
Polyphaseyesyesyesyes
Sense ResistorRsense, DCRRsense, DCRRsense, DCRRsense, DCR
Switch Current, A20202020
Switch Current 2, A20202020
Synchronousyesyesyesyes
TopologyBuckBuckBuckBuck
Topology 1BuckBuckBuckBuck
Topology 2BuckBuckBuckBuck
Vin Max, V30303030
Vin Min, V4.54.54.54.5
Vout Max, V3.33.33.33.3
Vout Maximum3.3V3.3V3.3V3.3V
Vout Min, V0.60.60.60.6
Vout Min 2, V0.80.80.80.8
Vref Accuracy Over Temp, %0.50.50.50.5

Plan ecológico

LTC3811EG#PBFLTC3811EG#TRPBFLTC3811EUHF#PBFLTC3811EUHF#TRPBF
RoHSObedienteObedienteObedienteObediente

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