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Datasheet Linear Technology LTC7103IUHE#PBF

Manufacturer:Linear Technology
Part Number:LTC7103IUHE#PBF

105V, 2.3A Low EMI Synchronous Step-Down Regulator


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    LTC7103 - 105V, 2.3A Low EMI Synchronous Step-Down Regulator
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    105V, 2.3A Low EMI
    Synchronous Step-Down
    Description Features
    Wide VIN Range: 4.4V to 105V (110V Abs Max)
    nn Ultralow EMI/EMC Emissions: CISPR 25 Compliant
    nn 2ВµA I When Regulating 48V to 3.3V
    nn Fast and Accurate Output Current Programming and
    Monitoring with No External RSENSE
    nn Brick Wall Current Limit
    nn Low Minimum On-Time: 40ns
    nn Wide V
    OUT Range: 1V to VIN
    nn 100% Maximum Duty Cycle Operation
    nn Programmable Fixed Frequency: 200kHz to 2MHz
    nn Eight, Pin-Selectable Fixed (1.2V to 15V) or
    Adjustable Output Voltages
    nn Selectable Pulse-Skipping or Low Ripple Burst
    ModeВ® Operation at Light Loads ...



Package5x6 QFN-36
Package CodeUHE


ArchitectureConstant Frequency Average Current Mode
Demo BoardsDC2317A
Design ToolsLTspice Model
Export Controlno yes/no
FeaturesBurst Mode, 100% Duty Cycle, Resistor Set Frequency, External Synchronization, Output Current Limit, Output Current Monitor
Frequency2000 kHz
Frequency Adjust Range200kHz to 2MHz
Frequency Sync Range200kHz to 2MHz
Integrated Inductorno yes/no
Ishutdown0.0007 ВµA
Isupply0.009 mA
Monolithicyes yes/no
Number of Outputs1
Operating Temperature Range-40 to 85 °C
Output Current2.3 A
Polyphaseno yes/no
Switch Current3.7 A
Synchronousyes yes/no
Topology 1Buck
Vin Max105 V
Vin Min4.4 V
Vout Max105 V
Vout MaximumVin
Vout Min1 V
Vref Accuracy Over Temp1 %

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

Other Names: LTC7103IUHEPBF, LTC7103IUHE PBF

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