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Datasheet Linear Technology LTM4637

ManufacturerLinear Technology
SeriesLTM4637

20A DC/DC Module (Power Module) Step-Down Regulator

Datasheets

  • Download » Datasheet, PDF, 624 Kb, Revision: C
    LTM4637 - 20A DC/DC Module Step-Down Regulator
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    LTM4637
    20A DC/DC µModule
    Step-Down Regulator
    Features Description Complete 20A Switch Mode Power Supply
    4.5V to 20V Input Voltage Range
    0.6V to 5.5V Output Voltage Range
    ±1.5% Total DC Output Voltage Error
    (–40°C to 125°C)
    n Differential Remote Sense Amplifier for Precision
    Regulation for (VOUT ≤ 3.3V)
    n Current Mode Control/Fast Transient Response
    n Parallel Current Sharing (Up to 80A)
    n Frequency Synchronizatio Selectable Pulse-Skipping or Burst Mode® Operatio Soft-Start/Voltage Tracking
    n Up to 88% Efficiency (12V , 1.8V
    IN
    OUT)
    n Overcurrent Foldback Protectio Output Overvoltage Protectio Internal Temperature Monitor
    n Overtemperature Protectio 15mm × 15mm × 4.32mm LGA and
    15mm × 15mm × 4.92mm BGA Packages
    n SnPb (BGA) or RoHS Compliant (LGA and BGA) Finish The LTM®4637 is a complete 20A output high efficiency
    switch mode step-down DC/DC µModule (micromodule)
    regulator. Included in the package are the switching controller, power FETs, inductor and compensation components.
    Operating over an input voltage range from 4.5V to 20V, ...

Prices

Packaging

LTM4637EV#PBFLTM4637EY#PBFLTM4637IV#PBFLTM4637IYLTM4637IY#PBF
Package15mm x 15mm x 4.32mm LGA15mm x 15mm x 4.92mm BGA15mm x 15mm x 4.32mm LGA15mm x 15mm x 4.92mm BGA15mm x 15mm x 4.92mm BGA
Package CodeLGABGALGABGABGA

Parametrics

LTM4637EV#PBFLTM4637EY#PBFLTM4637IV#PBFLTM4637IYLTM4637IY#PBF
ArchitectureConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current Mode
Demo BoardsDC1872ADC1872ADC1872ADC1872ADC1872A
Design ToolsLTspice File,LTpowerCAD FileLTspice File,LTpowerCAD FileLTspice File,LTpowerCAD FileLTspice File,LTpowerCAD FileLTspice File,LTpowerCAD File
Export Control, yes/nononononono
FeaturesInternal Heat Sink, Differential Remote Sense, External Synchronization, Burst Mode, Tracking, Resistor Set Frequency, Power Good, Temperature MonitorInternal Heat Sink, Differential Remote Sense, External Synchronization, Burst Mode, Tracking, Resistor Set Frequency, Power Good, Temperature MonitorInternal Heat Sink, Differential Remote Sense, External Synchronization, Burst Mode, Tracking, Resistor Set Frequency, Power Good, Temperature MonitorInternal Heat Sink, Differential Remote Sense, External Synchronization, Burst Mode, Tracking, Resistor Set Frequency, Power Good, Temperature MonitorInternal Heat Sink, Differential Remote Sense, External Synchronization, Burst Mode, Tracking, Resistor Set Frequency, Power Good, Temperature Monitor
Frequency, kHz770770770770770
Frequency Adjust Range250kHz - 800kHz250kHz - 800kHz250kHz - 800kHz250kHz - 800kHz250kHz - 800kHz
Frequency Sync Range250kHz - 800kHz250kHz - 800kHz250kHz - 800kHz250kHz - 800kHz250kHz - 800kHz
Integrated Inductor, yes/noyesyesyesyesyes
Ishutdown, µA4040404040
Isupply, mA1717171717
Max Phases11111
Monolithic, yes/noyesyesyesyesyes
Number of Outputs11111
Operating Temperature Range, °C0 to 850 to 85-40 to 85-40 to 85-40 to 85
Output Current, A2020202020
Polyphase, yes/nononononono
Switch Current, A2525252525
Synchronous, yes/noyesyesyesyesyes
TopologyBuckBuckBuckBuckBuck
Topology 1BuckBuckBuckBuckBuck
Vin Max, V2020202020
Vin Min, V4.54.54.54.54.5
Vout Max, V5.55.55.55.55.5
Vout Maximum5.5V5.5V5.5V5.5V5.5V
Vout Min, V0.60.60.60.60.6

Eco Plan

LTM4637EV#PBFLTM4637EY#PBFLTM4637IV#PBFLTM4637IYLTM4637IY#PBF
RoHSCompliantCompliantCompliantNot CompliantCompliant

Moldel Line

Series: LTM4637 (5)

Manufacturer's Classification

  • Module Solutions > Module Regulators > Module Buck Regulators

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