Datasheet Linear Technology LTC3853EUJ#PBF

ManufacturerLinear Technology
SeriesLTC3853
Part NumberLTC3853EUJ#PBF

Triple Output, Multiphase Synchronous Step-Down Controller

Datasheets

Datasheet LTC3853
PDF, 763 Kb, Language: en, File uploaded: Sep 23, 2017, Pages: 36
Triple Output, Multiphase Synchronous Step-Down Controller
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Prices

Packaging

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

Parametrics

ArchitectureConstant Frequency Current Mode
Demo BoardsDC1254A,DC1349A
Design ToolsLTspice File
Export Controlno
FeaturesPolyPhase, DCR Current Sense, External Synchronization, PLL, Power Good, Tracking
Frequency500 kHz
Frequency Adjust Range250kHz - 750kHz
Frequency Sync Range250kHz - 750kHz
Integrated Inductorno
Ishutdown42 µA
Isupply4.1 mA
Max Phases3
Monolithicno
Number of Outputs3
Operating Temperature Range0 to 85 °C
Output Current25 A
Output Current 225 A
Output Current 325 A
Polyphaseyes
Sense ResistorRsense, DCR
Switch Current25 A
Switch Current 225 A
Switch Current 325 A
Synchronousyes
TopologyBuck
Topology 1Buck
Topology 2Buck
Topology 3Buck
Vin Max24 V
Vin Min4.5 V
Vout Max13.5 V
Vout Max 213.5 V
Vout Max 313.5 V
Vout Maximum13.5V
Vout Min0.8 V
Vout Min 20.8 V
Vout Min 30.8 V
Vref Accuracy Over Temp1 %

Eco Plan

RoHSCompliant

Articles

  • 6mm × 6mm DC/DC Controller Regulates Three Outputs; or Combine Two Outputs for Twice the Current &mdash LT Journal
    PDF, 214 Kb, File published: Jun 1, 2008
    Extract from the document

Model Line

Manufacturer's Classification

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

Other Names:

LTC3853EUJPBF, LTC3853EUJ PBF