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Datasheet Linear Technology LT1425

Manufacturer:Linear Technology
Series:LT1425

Isolated Flyback Switching Regulators

Datasheets

  • Download » Datasheet, PDF, 302 Kb
    LT1425 - Isolated Flyback Switching Regulators
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    LT1425
    Isolated Flyback
    Switching Regulator U FEATURES
    ■ ■ ■
    ■ ■


    ■ DESCRIPTION No Transformer “Third Winding” or Optoisolator
    Required
    ±5% Accurate Output Voltage Without User Trims
    (See Circuit Below)
    Resistor Programmable Output Voltage
    Regulation Maintained Well Into Discontinuous
    Mode (Light Load)
    Optional Load Compensation
    Operating Frequency: 285kHz
    Easily Synchronized to External Clock
    Available in 16-Pin Narrow SO Package U
    APPLICATIONS



    ■ The LT ®1425 is a monolithic high power switching regulator specifically designed for the isolated flyback topology. No “third winding” or optoisolator is required; the ...

Eco Plan

 LT1425CS#PBFLT1425CS#TRPBFLT1425IS#PBFLT1425IS#TRPBF
RoHSCompliantCompliantCompliantCompliant

Parametrics

 LT1425CS#PBFLT1425CS#TRPBFLT1425IS#PBFLT1425IS#TRPBF
Demo BoardsDC159A-A,DC159A-BDC159A-A,DC159A-BDC159A-A,DC159A-BDC159A-A,DC159A-B
Design ToolsLTspice ModelLTspice ModelLTspice ModelLTspice Model
Export Control, yes/nonononono
FeaturesNo Opto Isolator, External SynchronizationNo Opto Isolator, External SynchronizationNo Opto Isolator, External SynchronizationNo Opto Isolator, External Synchronization
Frequency, kHz285285285285
Frequency Sync Range320kHz - 420kHz320kHz - 420kHz320kHz - 420kHz320kHz - 420kHz
Integrated Inductor, yes/nonononono
Ishutdown, µA15151515
Isupply, mA7777
Monolithic, yes/noyesyesyesyes
Number of Outputs1111
Operating Temperature Range, °C0 to 700 to 70-40 to 85-40 to 85
Polyphase, yes/nonononono
Switch Current, A2222
Synchronous, yes/nonononono
TopologyFlybackFlybackFlybackFlyback
Vin Max, V20202020
Vin Min, V2.82.82.82.8

Packaging

 LT1425CS#PBFLT1425CS#TRPBFLT1425IS#PBFLT1425IS#TRPBF
PackageSO-16SO-16SO-16SO-16
Package CodeSSSS

Manufacturer's Classification

Switching Regulator

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