Datasheet Linear Technology LTC3774 — Ficha de datos

FabricanteLinear Technology
SerieLTC3774

Controlador síncrono de modo de corriente multifase dual para detección DCR por debajo de miliohmios

Hojas de datos

Datasheet LTC3774
PDF, 426 Kb, Idioma: en, Archivo subido: sept 23, 2017, Páginas: 38
Dual, Multiphase Current Mode Synchronous Controller for Sub-Milliohm DCR Sensing
Extracto del documento

Precios

Embalaje

LTC3774EUHE#PBFLTC3774EUHE#TRPBFLTC3774IUHE#PBFLTC3774IUHE#TRPBF
N1234
Package5x6 QFN-36
Dibujo del esquema del paquete
5x6 QFN-36
Dibujo del esquema del paquete
5x6 QFN-36
Dibujo del esquema del paquete
5x6 QFN-36
Dibujo del esquema del paquete
Package CodeUHEUHEUHEUHE
Package Index05-08-187605-08-187605-08-187605-08-1876
Pin Count36363636

Paramétricos

Parameters / ModelsLTC3774EUHE#PBFLTC3774EUHE#TRPBFLTC3774IUHE#PBFLTC3774IUHE#TRPBF
ArchitectureAdvanced Constant Frequency Current ModeAdvanced Constant Frequency Current ModeAdvanced Constant Frequency Current ModeAdvanced Constant Frequency Current Mode
Demo BoardsDC2002A,DC2111A-A,DC2111A-BDC2002A,DC2111A-A,DC2111A-BDC2002A,DC2111A-A,DC2111A-BDC2002A,DC2111A-A,DC2111A-B
Design ToolsLTspice File,LTpowerCAD FileLTspice File,LTpowerCAD FileLTspice File,LTpowerCAD FileLTspice File,LTpowerCAD File
Export Controlnononono
FeaturesSub-Milliohm DCR Current Sense, Phase Shedding, Differential Remote Sense, External Synchronization, Resistor Set Frequency, Tracking, Power Good, No FET DriversSub-Milliohm DCR Current Sense, Phase Shedding, Differential Remote Sense, External Synchronization, Resistor Set Frequency, Tracking, Power Good, No FET DriversSub-Milliohm DCR Current Sense, Phase Shedding, Differential Remote Sense, External Synchronization, Resistor Set Frequency, Tracking, Power Good, No FET DriversSub-Milliohm DCR Current Sense, Phase Shedding, Differential Remote Sense, External Synchronization, Resistor Set Frequency, Tracking, Power Good, No FET Drivers
Frequency, kHz1200120012001200
Frequency Adjust Range200kHz - 1.2MHz200kHz - 1.2MHz200kHz - 1.2MHz200kHz - 1.2MHz
Frequency Sync Range200kHz - 1.2MHz200kHz - 1.2MHz200kHz - 1.2MHz200kHz - 1.2MHz
Integrated Inductornononono
Ishutdown, µA40404040
Isupply, mA9999
Max Phases2, 3, 4, 6, 8, 122, 3, 4, 6, 8, 122, 3, 4, 6, 8, 122, 3, 4, 6, 8, 12
Monolithicnononono
Number of Outputs2222
Operating Temperature Range, °C0 to 850 to 85-40 to 85-40 to 85
Output Current, A30303030
Output Current 2, A30303030
Polyphaseyesyesyesyes
Sense ResistorSub-Milliohm DCR, DCR, RsenseSub-Milliohm DCR, DCR, RsenseSub-Milliohm DCR, DCR, RsenseSub-Milliohm DCR, DCR, Rsense
Switch Current, A30303030
Switch Current 2, A30303030
Synchronousyesyesyesyes
TopologyBuckBuckBuckBuck
Topology 1BuckBuckBuckBuck
Topology 2BuckBuckBuckBuck
Vin Max, V38383838
Vin Min, V4.54.54.54.5
Vout Max, V3.53.53.53.5
Vout Maximum3.5V3.5V3.5V3.5V
Vout Min, V0.60.60.60.6
Vout Min 2, V0.60.60.60.6
Vref Accuracy Over Temp, %0.750.750.750.75

Plan ecológico

LTC3774EUHE#PBFLTC3774EUHE#TRPBFLTC3774IUHE#PBFLTC3774IUHE#TRPBF
RoHSObedienteObedienteObedienteObediente

Notas de Diseño

  • Dual Phase Buck Controller Drives High Density 1.2V/60A Supply with Submilliohm DCR Sensing &mdash DN528
    PDF, 227 Kb, Archivo publicado: mayo 22, 2014
    Extracto del documento

Artículos

  • Dual Phase Buck Controller Drives High Density 1.2V/60A Supply with Sub-Milliohm DCR Sensing &mdash LT Journal
    PDF, 237 Kb, Archivo publicado: jul 1, 2014
    Extracto del documento

Linea modelo

Clasificación del fabricante

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