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Datasheet Linear Technology LT8614

Manufacturer:Linear Technology
Series:LT8614

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 ...

Packaging

 LT8614EUDC#PBFLT8614EUDC#TRPBFLT8614HUDC#PBFLT8614HUDC#TRPBFLT8614IUDC#PBFLT8614IUDC#TRPBFLT8614MPUDC#PBFLT8614MPUDC#TRPBF
Package3x4 QFN-183x4 QFN-183x4 QFN-183x4 QFN-183x4 QFN-183x4 QFN-183x4 QFN-183x4 QFN-18
Package CodeUDCUDCUDCUDCUDCUDCUDCUDC

Parametrics

 LT8614EUDC#PBFLT8614EUDC#TRPBFLT8614HUDC#PBFLT8614HUDC#TRPBFLT8614IUDC#PBFLT8614IUDC#TRPBFLT8614MPUDC#PBFLT8614MPUDC#TRPBF
ArchitectureConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current Mode
Demo BoardsDC2019BDC2019BDC2019BDC2019BDC2019BDC2019BDC2019BDC2019B
Design ToolsLTspice File,LTpowerCAD FileLTspice File,LTpowerCAD FileLTspice File,LTpowerCAD FileLTspice File,LTpowerCAD FileLTspice File,LTpowerCAD FileLTspice File,LTpowerCAD FileLTspice File,LTpowerCAD FileLTspice File,LTpowerCAD File
Export Control, yes/nonononononononono
FeaturesSilent Switcher Architecture, Low EMI, Burst Mode, Tracking, Power GoodSilent Switcher Architecture, Low EMI, Burst Mode, Tracking, Power GoodSilent Switcher Architecture, Low EMI, Burst Mode, Tracking, Power GoodSilent Switcher Architecture, Low EMI, Burst Mode, Tracking, Power GoodSilent Switcher Architecture, Low EMI, Burst Mode, Tracking, Power GoodSilent Switcher Architecture, Low EMI, Burst Mode, Tracking, Power GoodSilent Switcher Architecture, Low EMI, Burst Mode, Tracking, Power GoodSilent Switcher Architecture, Low EMI, Burst Mode, Tracking, Power Good
Frequency, kHz30003000300030003000300030003000
Frequency Adjust Range200kHz - 3MHz200kHz - 3MHz200kHz - 3MHz200kHz - 3MHz200kHz - 3MHz200kHz - 3MHz200kHz - 3MHz200kHz - 3MHz
Frequency Sync Range200kHz - 3MHz200kHz - 3MHz200kHz - 3MHz200kHz - 3MHz200kHz - 3MHz200kHz - 3MHz200kHz - 3MHz200kHz - 3MHz
Integrated Inductor, yes/nonononononononono
Ishutdown, µA11111111
Isupply, mA0.00170.00170.00170.00170.00170.00170.00170.0017
Max Phases11111111
Monolithic, yes/noyesyesyesyesyesyesyesyes
Number of Outputs11111111
Operating Temperature Range, °C0 to 850 to 85-40 to 125-40 to 125-40 to 85-40 to 85-55 to 125-55 to 125
Output Current, A44444444
Polyphase, yes/nonononononononono
Switch Current, A66666666
Synchronous, yes/noyesyesyesyesyesyesyesyes
TopologyBuckBuckBuckBuckBuckBuckBuckBuck
Topology 1BuckBuckBuckBuckBuckBuckBuckBuck
Vin Max, V4242424242424242
Vin Min, V3.43.43.43.43.43.43.43.4
Vout Max, V41.841.841.841.841.841.841.841.8
Vout Maximum.98Vin.98Vin.98Vin.98Vin.98Vin.98Vin.98Vin.98Vin
Vout Min, V0.970.970.970.970.970.970.970.97
Vref Accuracy Over Temp, %1.21.21.21.21.21.21.21.2

Eco Plan

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

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