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Datasheet Linear Technology LTC3118

ManufacturerLinear Technology
SeriesLTC3118

18V, 2A Buck-Boost DC/DC Converter with Low-Loss Dual Input PowerPath

Datasheets

  • Download » Datasheet PDF, 1.1 Mb, Revision: A, File uploaded: Sep 20, 2017
    LTC3118 - 18V, 2A Buck-Boost DC/DC Converter with Low-Loss Dual Input PowerPath
    Docket ↓
    LTC3118
    18V, 2A Buck-Boost DC/DC
    Converter with Low Loss
    Dual Input PowerPath
    Description Features
    Integrated High Efficiency Dual Input PowerPath™
    Plus Buck-Boost DC/DC Converter
    nn Ideal Diode or Priority V Select Modes
    IN
    nn V
    IN1 and VIN2 Range: 2.2V to 18V
    nn V
    OUT Range: 2V to 18V
    nn Either V Can Be Above, Below or Equal to V
    IN
    OUT
    nn Generates 5V at 2A for V > 6V
    IN
    nn 1.2MHz Low Noise Fixed Frequency Operation
    nn Current Mode Control
    nn All Internal N-Channel MOSFETs
    nn Pin-Selectable PWM or Burst Mode® Operation
    nn Accurate, Independent RUN Pin Thresholds ...

Prices

Packaging

LTC3118EFE#PBFLTC3118EFE#TRPBFLTC3118EUFD#PBFLTC3118EUFD#TRPBFLTC3118HFE#PBFLTC3118HFE#TRPBFLTC3118HUFD#PBFLTC3118HUFD#TRPBFLTC3118IFE#PBFLTC3118IFE#TRPBFLTC3118IUFD#PBFLTC3118IUFD#TRPBFLTC3118MPFE#PBFLTC3118MPFE#TRPBFLTC3118MPUFD#PBFLTC3118MPUFD#TRPBF
PackageTSSOP-28
Package Outline Drawing
TSSOP-28
Package Outline Drawing
4x5 QFN-24
Package Outline Drawing
4x5 QFN-24
Package Outline Drawing
TSSOP-28
Package Outline Drawing
TSSOP-28
Package Outline Drawing
4x5 QFN-24
Package Outline Drawing
4x5 QFN-24
Package Outline Drawing
TSSOP-28
Package Outline Drawing
TSSOP-28
Package Outline Drawing
4x5 QFN-24
Package Outline Drawing
4x5 QFN-24
Package Outline Drawing
TSSOP-28
Package Outline Drawing
TSSOP-28
Package Outline Drawing
4x5 QFN-24
Package Outline Drawing
4x5 QFN-24
Package Outline Drawing
Package CodeFEFEUFDUFDFEFEUFDUFDFEFEUFDUFDFEFEUFDUFD
Package Index05-08-1663 (EB)05-08-1663 (EB)05-08-169605-08-169605-08-1663 (EB)05-08-1663 (EB)05-08-169605-08-169605-08-1663 (EB)05-08-1663 (EB)05-08-169605-08-169605-08-1663 (EB)05-08-1663 (EB)05-08-169605-08-1696
Pin Count28282424282824242828242428282424

Parametrics

LTC3118EFE#PBFLTC3118EFE#TRPBFLTC3118EUFD#PBFLTC3118EUFD#TRPBFLTC3118HFE#PBFLTC3118HFE#TRPBFLTC3118HUFD#PBFLTC3118HUFD#TRPBFLTC3118IFE#PBFLTC3118IFE#TRPBFLTC3118IUFD#PBFLTC3118IUFD#TRPBFLTC3118MPFE#PBFLTC3118MPFE#TRPBFLTC3118MPUFD#PBFLTC3118MPUFD#TRPBF
Number of Channels1111111111111111
Demo BoardsDC2045ADC2045ADC2045ADC2045ADC2045ADC2045ADC2045ADC2045ADC2045ADC2045ADC2045ADC2045ADC2045ADC2045ADC2045ADC2045A
Design ToolsLTspice Model,LTpowerCAD FileLTspice Model,LTpowerCAD FileLTspice Model,LTpowerCAD FileLTspice Model,LTpowerCAD FileLTspice Model,LTpowerCAD FileLTspice Model,LTpowerCAD FileLTspice Model,LTpowerCAD FileLTspice Model,LTpowerCAD FileLTspice Model,LTpowerCAD FileLTspice Model,LTpowerCAD FileLTspice Model,LTpowerCAD FileLTspice Model,LTpowerCAD FileLTspice Model,LTpowerCAD FileLTspice Model,LTpowerCAD FileLTspice Model,LTpowerCAD FileLTspice Model,LTpowerCAD File
Diode Off with Back-to-Back FETs?nononononononononononononononono
Export Controlnononononononononononononononono
Ideal DiodeDual, Internal, N-ChannelDual, Internal, N-ChannelDual, Internal, N-ChannelDual, Internal, N-ChannelDual, Internal, N-ChannelDual, Internal, N-ChannelDual, Internal, N-ChannelDual, Internal, N-ChannelDual, Internal, N-ChannelDual, Internal, N-ChannelDual, Internal, N-ChannelDual, Internal, N-ChannelDual, Internal, N-ChannelDual, Internal, N-ChannelDual, Internal, N-ChannelDual, Internal, N-Channel
Internal FETyesyesyesyesyesyesyesyesyesyesyesyesyesyesyesyes
Ishutdown, A2222222222222222
Operating Temperature Range, °C0 to 850 to 850 to 850 to 85-40 to 125-40 to 125-40 to 125-40 to 125-40 to 85-40 to 85-40 to 85-40 to 85-55 to 125-55 to 125-55 to 125-55 to 125
Total Quiescent Current, mA0.050.050.050.050.050.050.050.050.050.050.050.050.050.050.050.05
Typical Current Capability, A2222222222222222
Vin Max, V18181818181818181818181818181818
Vin Min, V2.22.22.22.22.22.22.22.22.22.22.22.22.22.22.22.2

Eco Plan

Articles

  • Download » Articles - LT Journal PDF, 674 Kb, File published: Apr 7, 2015
    18V Buck-Boost Converter with Intelligent PowerPath Control Delivers >2A at 95% Efficiency from Dual Inputs
    Docket ↓
    18V Buck-Boost Converter with Intelligent PowerPath
    Control Delivers >2A at 95% Efficiency from Dual Inputs
    Eddy Wells The requirement to operate from multiple input sources is
    increasingly common for applications powered from various
    battery chemistries, wall adapters and DC voltage rails
    such as USB. The ability to provide step-up or step-down
    conversion is often necessary, depending on the voltage
    range of each input and the desired output voltage.
    While powering from multiple sources
    is conceptually straightforward, implementation can be complicated. Losses
    in the power path, prioritization of the
    input sources and voltage spikes resulting
    from inductive cable insertion can all
    add cost and complexity to the system. with the ability to deliver over 2A current
    to the load. The LTC3118’s current mode
    control architecture responds rapidly to
    line or load transients, maintaining tight
    regulation of the output. For battery
    powered applications, extended run times
    are achieved with Burst Mode® operation. The LTC3118 addresses these issues by
    combining a dual, low loss PowerPath
    controller with a high efficiency buckboost converter, as shown in Figure 1. The
    unique architecture allows conversion ...

Moldel Line

Series: LTC3118 (16)

Manufacturer's Classification

  • Monitor, Control and Protection > PowerPath Controllers & Ideal Diodes
  • Power Management > Switching Regulator > Buck-Boost Regulators > Internal Power Switch Buck-Boost
  • Space & Harsh Environment > Extended Temperature Plastic (H & MP) > Extended Temperature (H & MP) Switching Regulators

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