Datasheet Linear Technology LTC3875IUJ#TRPBF — Ficha de datos

FabricanteLinear Technology
SerieLTC3875
Numero de parteLTC3875IUJ#TRPBF

Controlador síncrono dual de 2 fases con detección DCR de bajo valor y compensación de temperatura

Hojas de datos

Datasheet LTC3875
PDF, 997 Kb, Idioma: en, Archivo subido: sept 24, 2017, Páginas: 46
Dual, 2-Phase, Synchronous Controller with Low Value DCR Sensing and Temperature Compensation
Extracto del documento

Precios

Embalaje

Package6x6 QFN-40
Package CodeUJ
Package Index05-08-1728

Paramétricos

ArchitectureConstant Frequency Current Mode
Demo BoardsDC2000A,DC2055A,DC2142A,DC2225A
Design ToolsLTspice File,LTpowerCAD File
Export Controlno
FeaturesResistor Set Frequency, External Synchronization, Differential Remote Sense, Sub-Milliohm DCR Current Sense, Tracking, Power Good
Frequency720 kHz
Frequency Adjust Range250kHz - 720kHz
Frequency Sync Range250kHz - 720kHz
Integrated Inductorno
Ishutdown40 µA
Isupply7 mA
Max Phases2, 3, 4, 6, 12
Monolithicno
Number of Outputs2
Operating Temperature Range-40 to 85 °C
Output Current30 A
Output Current 230 A
Polyphaseyes
Sense ResistorRsense, DCR, Sub-Milliohm DCR
Switch Current30 A
Switch Current 230 A
Synchronousyes
TopologyBuck
Topology 1Buck
Topology 2Buck
Vin Max38 V
Vin Min4.5 V
Vout Max5 V
Vout Maximum3.5V (low DCR) or 5V (without low DCR)
Vout Min0.6 V
Vout Min 20.6 V
Vref Accuracy Over Temp0.75 %

Plan ecológico

RoHSObediente

Artículos

  • 4-Phase Power Supply Delivers 120A in Tiny Footprint, Features Ultralow DCR Sensing for High Efficiency &mdash LT Journal
    PDF, 313 Kb, Archivo publicado: jul 7, 2015
    Extracto del documento
  • High Efficiency PolyPhase Power Supply Delivers 30A per Phase with Ultralow Inductor DCR Sensing and Fast Transient Response &mdash LT Journal
    PDF, 501 Kb, Archivo publicado: enero 6, 2014
    Extracto del documento

Linea modelo

Clasificación del fabricante

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

Otros nombres:

LTC3875IUJTRPBF, LTC3875IUJ TRPBF