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Datasheet Linear Technology LT8614HUDC#PBF

Manufacturer:Linear Technology
Series:LT8614
Part Number:LT8614HUDC#PBF

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

Datasheets

  • Download » Datasheet, PDF, 501 Kb, Revision: D
    LT8614 - 42V, 4A Synchronous Step-Down Silent Switcher with 2.5μA Quiescent Current
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    LT8614
    42V, 4A Synchronous
    Step-Down Silent Switcher
    with 2.5µA Quiescent Current
    Description Features Silent Switcher® Architecture
    nn Ultralow EMI/EMC Emissions
    nn High Efficiency at High Frequency
    nn Up to 96% Efficiency at 1MHz, 12V to 5V
    IN
    OUT
    nn Up to 94% Efficiency at 2MHz, 12V to 5V
    IN
    OUT
    nn Wide Input Voltage Range: 3.4V to 42V
    nn Ultralow Quiescent Current Burst Mode® Operation:
    nn 2.5μA I Regulating 12V to 3.3V
    Q
    IN
    OUT
    nn Output Ripple < 10mV
    P-P
    nn Fast Minimum Switch On-Time: 30ns
    nn Low Dropout Under All Conditions: 125mV at 1A ...

Prices

Packaging

Package3x4 QFN-18
Package CodeUDC

Parametrics

ArchitectureConstant Frequency Current Mode
Demo BoardsDC2019B
Design ToolsLTspice File,LTpowerCAD File
Export Controlno yes/no
FeaturesSilent Switcher Architecture, Low EMI, Burst Mode, Tracking, Power Good
Frequency3000 kHz
Frequency Adjust Range200kHz - 3MHz
Frequency Sync Range200kHz - 3MHz
Integrated Inductorno yes/no
Ishutdown1 µA
Isupply0.0017 mA
Max Phases1
Monolithicyes yes/no
Number of Outputs1
Operating Temperature Range-40 to 125 °C
Output Current4 A
Polyphaseno yes/no
Switch Current6 A
Synchronousyes yes/no
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

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: LT8614HUDCPBF, LT8614HUDC PBF

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