Datasheet Linear Technology LTC3731 — Ficha de datos

FabricanteLinear Technology
SerieLTC3731

Controlador regulador de conmutación síncrono trifásico de 600 kHz

Hojas de datos

Datasheet LTC3731
PDF, 384 Kb, Idioma: en, Archivo subido: sept 23, 2017, Páginas: 34
3-Phase, 600kHz, Synchronous Buck Switching Regulator Controller
Extracto del documento

Precios

Embalaje

LTC3731CG#PBFLTC3731CG#TRPBFLTC3731CUH#PBFLTC3731CUH#TRPBFLTC3731IG#PBFLTC3731IG#TRPBFLTC3731IUH#PBFLTC3731IUH#TRPBF
N12345678
PackageSSOP-24
Dibujo del esquema del paquete
SSOP-24
Dibujo del esquema del paquete
5x5 QFN-32
Dibujo del esquema del paquete
5x5 QFN-32
Dibujo del esquema del paquete
SSOP-24
Dibujo del esquema del paquete
SSOP-24
Dibujo del esquema del paquete
5x5 QFN-32
Dibujo del esquema del paquete
5x5 QFN-32
Dibujo del esquema del paquete
Package CodeGGUHUHGGUHUH
Package Index05-08-1640 (G24)05-08-1640 (G24)05-08-169305-08-169305-08-1640 (G24)05-08-1640 (G24)05-08-169305-08-1693
Pin Count2424323224243232

Paramétricos

Parameters / ModelsLTC3731CG#PBFLTC3731CG#TRPBFLTC3731CUH#PBFLTC3731CUH#TRPBFLTC3731IG#PBFLTC3731IG#TRPBFLTC3731IUH#PBFLTC3731IUH#TRPBF
ArchitectureConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current Mode
Demo BoardsDC438A,DC558A,DC561A-A,DC561A-B,DC721A-ADC438A,DC558A,DC561A-A,DC561A-B,DC721A-ADC438A,DC558A,DC561A-A,DC561A-B,DC721A-ADC438A,DC558A,DC561A-A,DC561A-B,DC721A-ADC438A,DC558A,DC561A-A,DC561A-B,DC721A-ADC438A,DC558A,DC561A-A,DC561A-B,DC721A-ADC438A,DC558A,DC561A-A,DC561A-B,DC721A-ADC438A,DC558A,DC561A-A,DC561A-B,DC721A-A
Design ToolsLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice File
Export Controlnononononononono
FeaturesPolyPhase, Differential Remote Sense, Burst Mode, Phase Shedding, External Synchronization, PLL, Power GoodPolyPhase, Differential Remote Sense, Burst Mode, Phase Shedding, External Synchronization, PLL, Power GoodPolyPhase, Differential Remote Sense, Burst Mode, Phase Shedding, External Synchronization, PLL, Power GoodPolyPhase, Differential Remote Sense, Burst Mode, Phase Shedding, External Synchronization, PLL, Power GoodPolyPhase, Differential Remote Sense, Burst Mode, Phase Shedding, External Synchronization, PLL, Power GoodPolyPhase, Differential Remote Sense, Burst Mode, Phase Shedding, External Synchronization, PLL, Power GoodPolyPhase, Differential Remote Sense, Burst Mode, Phase Shedding, External Synchronization, PLL, Power GoodPolyPhase, Differential Remote Sense, Burst Mode, Phase Shedding, External Synchronization, PLL, Power Good
Frequency, kHz600600600600600600600600
Frequency Sync Range250kHz - 600kHz250kHz - 600kHz250kHz - 600kHz250kHz - 600kHz250kHz - 600kHz250kHz - 600kHz250kHz - 600kHz250kHz - 600kHz
Integrated Inductornononononononono
Ishutdown, µA5050505050505050
Isupply, mA2.32.32.32.32.32.32.32.3
Max Phases3, 6, 9, 123, 6, 9, 123, 6, 9, 123, 6, 9, 123, 6, 9, 123, 6, 9, 123, 6, 9, 123, 6, 9, 12
Monolithicnononononononono
Number of Outputs11111111
Operating Temperature Range, °C0 to 700 to 700 to 700 to 70-40 to 85-40 to 85-40 to 85-40 to 85
Output Current, A6565656565656565
Polyphaseyesyesyesyesyesyesyesyes
Sense ResistorRsenseRsenseRsenseRsenseRsenseRsenseRsenseRsense
Switch Current, A6565656565656565
Synchronousyesyesyesyesyesyesyesyes
TopologyBuckBuckBuckBuckBuckBuckBuckBuck
Vin Max, V3636363636363636
Vin Min, V44444444
Vout Max, V66666666
Vout Maximum6V6V6V6V6V6V6V6V
Vout Min, V0.60.60.60.60.60.60.60.6
Vref Accuracy Over Temp, %11111111

Plan ecológico

LTC3731CG#PBFLTC3731CG#TRPBFLTC3731CUH#PBFLTC3731CUH#TRPBFLTC3731IG#PBFLTC3731IG#TRPBFLTC3731IUH#PBFLTC3731IUH#TRPBF
RoHSObedienteObedienteObedienteObedienteObedienteObedienteObedienteObediente

Notas de Diseño

  • High Efficiency, High Density Power Supply Delivers 200A Without Heat Sinks &mdash DN1001
    PDF, 112 Kb, Archivo publicado: dic 2, 2003
    Extracto del documento
  • High Performance 3-Phase Power Supply Delivers 65A and High Efficiency Over the Entire Load Range &mdash DN312
    PDF, 84 Kb, Archivo publicado: mayo 3, 2003
    Extracto del documento

Artículos

  • High Performance 3-Phase Power Supplies Yields High Efficiency over the Entire CPU Load Range &mdash LT Journal
    PDF, 200 Kb, Archivo publicado: marzo 1, 2003
    Extracto del documento
  • 3-Phase Buck Controller for Intel VRM9/VRM10 with Active Voltage Positioning &mdash LT Journal
    PDF, 169 Kb, Archivo publicado: marzo 25, 2005
    Extracto del documento

Linea modelo

Clasificación del fabricante

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