Datasheet Linear Technology LTC3856IUH#PBF — Ficha de datos

FabricanteLinear Technology
SerieLTC3856
Numero de parteLTC3856IUH#PBF

Controlador DC / DC sincrónico reductor de 2 fases con Diffamp

Hojas de datos

Datasheet LTC3856
PDF, 840 Kb, Idioma: en, Archivo subido: sept 23, 2017, Páginas: 40
2-Phase Synchronous Step-Down DC/DC Controller with Diffamp
Extracto del documento

Precios

Embalaje

Package5x5 QFN-32
Package CodeUH
Package Index05-08-1693

Paramétricos

ArchitectureConstant Frequency Current Mode
Demo BoardsDC1580A
Design ToolsLTspice File,LTpowerCAD File
Export Controlno
FeaturesPolyPhase, Active Voltage Positioning, Differential Remote Sense, Burst Mode, DCR Current Sense, Phase Shedding, External Synchronization, PLL, Tracking, Power Good
Frequency770 kHz
Frequency Sync Range250kHz - 770kHz
Integrated Inductorno
Ishutdown40 µA
Isupply4 mA
Max Phases2, 3, 4, 6, 12
Monolithicno
Number of Outputs1
Operating Temperature Range-40 to 85 °C
Output Current60 A
Polyphaseyes
Sense ResistorRsense, DCR
Switch Current60 A
Synchronousyes
TopologyBuck
Vin Max38 V
Vin Min4.5 V
Vout Max5 V
Vout Maximum5V (without diff amp), 3.3V (with diff amp)
Vout Min0.6 V
Vref Accuracy Over Temp0.75 %

Plan ecológico

RoHSObediente

Notas de Diseño

  • 2-Phase Synchronous Buck Controller Features Light Load Stage Shedding Mode, Active Voltage Positioning, Low RSENSE and Remote VOUT Sensing &mdash DN486
    PDF, 96 Kb, Archivo publicado: nov 10, 2010
    Extracto del documento

Artículos

  • 2-Phase Synchronous Step-Down DC/DC Controller with Programmable Stage Shedding Mode and Active Voltage Positioning for High Efficiency and Fast Transient Response &mdash LT Journal
    PDF, 1.3 Mb, Archivo publicado: jun 30, 2010
    Extracto del documento

Linea modelo

Clasificación del fabricante

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

Otros nombres:

LTC3856IUHPBF, LTC3856IUH PBF