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Datasheet Linear Technology LTC7138HMSE#PBF

Manufacturer:Linear Technology
Part Number:LTC7138HMSE#PBF

High Efficiency, 140V 400mA Step-Down Regulator


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    LTC7138 - High Efficiency, 140V 400mA Step-Down Regulator
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    High Efficiency, 140V
    400mA Step-Down
    Features n n n n n n n n n n n n n Wide Operating Input Voltage Range: 4V to 140V
    Internal Low Resistance Power MOSFET
    No Compensation Required
    Adjustable 100mA to 400mA Maximum Output
    Low Dropout Operation: 100% Duty Cycle
    Low Quiescent Current: 12ВµA
    Wide Output Range: 0.8V to VIN
    0.8V В±1% Feedback Voltage Reference
    Precise RUN Pin Threshold
    Internal or External Soft-Start
    Programmable 1.8V, 3.3V, 5V or Adjustable Output
    Few External Components Required
    Programmable Input Overvoltage Lockout
    Thermally Enhanced High Voltage MSOP Package Applications Industrial Control Supplies Medical Devices
    n Distributed Power Systems
    n Portable Instruments
    n Battery-Operated Devices
    n Avionics ...



Package CodeMSE


ArchitectureHysteretic Mode Control
Demo BoardsDC2172A
Design ToolsLTspice File
Export Controlno yes/no
FeaturesBurst Mode, Programmable Output Current Limit, 100% Duty Cycle, Fixed Output
Integrated Inductorno yes/no
Ishutdown1.4 ВµA
Isupply0.012 mA
Max Phases1
Monolithicyes yes/no
Number of Outputs1
Operating Temperature Range-40 to 125 °C
Output Current0.4 A
Polyphaseno yes/no
Switch Current0.610 A
Synchronousno yes/no
Topology 1Buck
Vin Max140 V
Vin Min4 V
Vout Max140 V
Vout MaximumVin
Vout Min0.8 V
Vref Accuracy Over Temp1 %

Eco Plan


Manufacturer's Classification

  • Power Management > Switching Regulator > Step-Down (Buck) Regulators > High Input Voltage Buck | Micropower Buck Regulators | Internal Power Switch Buck
  • Space & Harsh Environment > Extended Temperature Plastic (H & MP) > Extended Temperature (H & MP) Switching Regulators

Other Names: LTC7138HMSEPBF, LTC7138HMSE PBF

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