Datasheet Linear Technology LTC3861IUHE#TRPBF — Ficha de datos

FabricanteLinear Technology
SerieLTC3861
Numero de parteLTC3861IUHE#TRPBF

Controlador DC / DC de modo de voltaje descendente multifásico dual con uso compartido de corriente preciso

Hojas de datos

Datasheet LTC3861
PDF, 996 Kb, Idioma: en, Archivo subido: sept 24, 2017, Páginas: 38
Dual, Multiphase Step-Down Voltage Mode DC/DC Controller with Accurate Current Sharing
Extracto del documento

Precios

Embalaje

Package5x6 QFN-36
Package CodeUHE
Package Index05-08-1876

Paramétricos

ArchitectureConstant Frequency Voltage Mode
Demo BoardsDC1822A
Design ToolsLTspice File,LTpowerCAD File
Export Controlno
FeaturesDifferential Remote Sense, PolyPhase, External Synchronization, Resistor Set Frequency, DCR Current Sense, Power Good, Tracking
Frequency2250 kHz
Frequency Adjust RangeUp to 2.25MHz
Frequency Sync RangeUp to 2.25MHz
Integrated Inductorno
Ishutdown50 µA
Isupply30 mA
Max Phases2, 3, 4, 6, 12
Monolithicno
Number of Outputs2
Operating Temperature Range-40 to 85 °C
Output Current40 A
Output Current 240 A
Polyphaseyes
Sense ResistorRsense, DCR
Switch Current40 A
Switch Current 240 A
Synchronousyes
TopologyBuck
Topology 1Buck
Topology 2Buck
Vin Max24 V
Vin Min3 V
Vout Max5.5 V
Vout Maximum5.5V
Vout Min0.6 V
Vref Accuracy Over Temp0.75 %

Plan ecológico

RoHSObediente

Notas de aplicación

  • Modeling and Loop Compensation Design of Switching Mode Power Supplies &mdash AN149
    PDF, 1.4 Mb, Archivo publicado: marzo 23, 2015
    Extracto del documento

Artículos

  • Sub-Milliohm DCR Current Sensing with Accurate Multiphase Current Sharing for High Current Power Supplies &mdash LT Journal
    PDF, 2.7 Mb, Archivo publicado: enero 17, 2013
    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:

LTC3861IUHETRPBF, LTC3861IUHE TRPBF