Datasheet Linear Technology LTC3876EUHF#PBF — Ficha de datos

FabricanteLinear Technology
SerieLTC3876
Numero de parteLTC3876EUHF#PBF

Controlador dual DC / DC para alimentación DDR con detección diferencial VDDQ y referencia de ± 50mA VTT

Hojas de datos

LTC3876 - Dual DC/DC Controller for DDR Power with Differential VDDQ Sensing and ±50mA VTT Reference
PDF, 640 Kb, Archivo subido: sept 24, 2017
Extracto del documento

Precios

Embalaje

Package5x7 QFN-38
Package CodeUHF
Package Index05-08-1701

Paramétricos

ArchitectureControlled On-Time Valley Current Mode
Demo BoardsDC1631A
Design ToolsLTspice Model
Export Controlno
FeaturesDDR Mode, Resistor Set Frequency, External Synchronization, Tracking, DCR Current Sense, Power Good
Frequency2000 kHz
Frequency Adjust Range200kHz - 2MHz
Frequency Sync Range200kHz - 2MHz
Integrated Inductorno
Ishutdown20 µA
Isupply5 mA
Max Phases1
Monolithicno
Number of Outputs3
Operating Temperature Range0 to 85 °C
Output Current20 A
Output Current 220 A
Output Current 30.050 A
Polyphaseno
Sense ResistorRsense, DCR
Switch Current25 A
Switch Current 225 A
Synchronousyes
TopologyBuck
Topology 1Buck
Topology 2Buck
Topology 3LDO
Vin Max38 V
Vin Min4.5 V
Vout Max2.5 V
Vout Max 21.25 V
Vout Max 31.25 V
Vout Maximum2.5V
Vout Min1 V
Vout Min 20.5 V
Vout Min 30.5 V

Plan ecológico

RoHSObediente

Notas de Diseño

  • Dual DC/DC Controller for DDR Power with Differential VDDQ Sensing and В±50mA VTT Reference &mdash DN503
    PDF, 186 Kb, Archivo publicado: mayo 2, 2012
    Extracto del documento

Linea modelo

Clasificación del fabricante

  • Power Management > Switching Regulator > DDR Memory/Bus Termination

Otros nombres:

LTC3876EUHFPBF, LTC3876EUHF PBF