Datasheet Linear Technology LTC3874IUFD#TRPBF — Ficha de datos

FabricanteLinear Technology
SerieLTC3874
Numero de parteLTC3874IUFD#TRPBF

Controlador esclavo síncrono reductor PolyPhase con detección DCR de sub milliohmios

Hojas de datos

Datasheet LTC3874
PDF, 919 Kb, Idioma: en, Archivo subido: sept 24, 2017, Páginas: 30
PolyPhase Step-Down Synchronous Slave Controller with Sub-Milliohm DCR Sensing
Extracto del documento

Precios

Embalaje

Package4x5 QFN-28
Package CodeUFD
Package Index05-08-1712

Paramétricos

ArchitectureConstant Frequency Current Mode
Demo BoardsDC2142A,DC2229A-B,DC2084A
Design ToolsLTspice File,LTpowerCAD File
Export Controlno
FeaturesSub-Milliohm DCR Current Sense, External Synchronization, PolyPhase
Frequency1000 kHz
Frequency Sync Range250kHz - 1MHz
Integrated Inductorno
Ishutdown1.8 µA
Isupply4.6 mA
Max Phases2, 3, 4, 6, 12
Monolithicno
Number of Outputs1
Operating Temperature Range-40 to 85 °C
Output Current25 A
Polyphaseyes
Sense ResistorDCR, Sub-Milliohm DCR
Switch Current25 A
Synchronousyes
TopologyBuck
Vin Max38 V
Vin Min4.5 V
Vout Max5.5 V
Vout Maximum5.5V
Vout Min0.8 V

Plan ecológico

RoHSObediente

Notas de Diseño

  • VID Controller with Phase Extender Provides 120A Power Supply for Latest Generation of FPGAs, ASICs and Processors &mdash DN547
    PDF, 335 Kb, Archivo publicado: enero 12, 2016
    Extracto del documento
  • Powering Altera Arria 10 FPGA and Arria 10 SoC: Tested and Verified Power Management Solutions &mdash DN549
    PDF, 1.6 Mb, Archivo publicado: feb 19, 2016
    Extracto del documento

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
  • Avoid Debugging Cycles in Power Management for FPGA, GPU and ASIC Systems &mdash LT Journal
    PDF, 3.2 Mb, Archivo publicado: agosto 25, 2016
    Extracto del documento

Linea modelo

Clasificación del fabricante

  • Power Management > Switching Regulator > Step-Down (Buck) Regulators > High Input Voltage Buck | External Power Switch Buck Controllers
  • Space & Harsh Environment > Extended Temperature Plastic (H & MP) > Extended Temperature (H & MP) Switching Regulators

Otros nombres:

LTC3874IUFDTRPBF, LTC3874IUFD TRPBF