Datasheet Linear Technology LT8614EUDC#TRPBF

ManufacturerLinear Technology
SeriesLT8614
Part NumberLT8614EUDC#TRPBF

42V, 4A Synchronous Step-Down Silent Switcher with 2.5µA Quiescent Current

Datasheets

Datasheet LT8614
PDF, 501 Kb, Language: en, File uploaded: Sep 20, 2017, Pages: 24
42V, 4A Synchronous Step-Down Silent Switcher with 2.5μA Quiescent Current
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Prices

Packaging

Package3x4 QFN-18
Package CodeUDC
Package Index05-08-1956

Parametrics

ArchitectureConstant Frequency Current Mode
Demo BoardsDC2019B
Design ToolsLTspice File,LTpowerCAD File
Export Controlno
FeaturesLow EMI, Silent Switcher Architecture, Burst Mode, Tracking, Power Good
Frequency3000 kHz
Frequency Adjust Range200kHz - 3MHz
Frequency Sync Range200kHz - 3MHz
Integrated Inductorno
Ishutdown1 µA
Isupply0.0017 mA
Max Phases1
Monolithicyes
Number of Outputs1
Operating Temperature Range0 to 85 °C
Output Current4 A
Polyphaseno
Switch Current6 A
Synchronousyes
TopologyBuck
Topology 1Buck
Vin Max42 V
Vin Min3.4 V
Vout Max41.8 V
Vout Maximum.98Vin
Vout Min0.97 V
Vref Accuracy Over Temp1.2 %

Eco Plan

RoHSCompliant

Application Notes

  • Reduce EMI and Improve Efficiency with Silent Switcher Designs &mdash AN144
    PDF, 159 Kb, File published: Dec 19, 2013
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Articles

  • Silent Switcher Meets CISPR Class 5 Radiated Emissions While Maintaining High Conversion Efficiency &mdash LT Journal
    PDF, 276 Kb, File published: Jan 6, 2014
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Model Line

Manufacturer's Classification

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

Other Names:

LT8614EUDCTRPBF, LT8614EUDC TRPBF

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