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Datasheet Linear Technology LT3573EMSE#TRPBF

Manufacturer:Linear Technology
Series:LT3573
Part Number:LT3573EMSE#TRPBF

Isolated Flyback Converter without an Opto-Coupler

Datasheets

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    LT3573 - Isolated Flyback Converter without an Opto-Coupler
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    LT3573
    Isolated Flyback Converter
    without an Opto-Coupler
    FEATURES DESCRIPTION 3V to 40V Input Voltage Range
    1.25A, 60V Integrated NPN Power Switch
    Boundary Mode Operation
    No Transformer Third Winding or
    Opto-Isolator Required for Regulatio Improved Primary-Side Winding Feedback
    Load Regulatio V
    OUT Set with Two External Resistors
    n BIAS Pin for Internal Bias Supply and Power
    NPN Driver
    n Programmable Soft-Start
    n Programmable Power Switch Current Limit
    n Thermally Enhanced 16-Lead MSOP The LTВ®3573 is a monolithic switching regulator specifically designed for the isolated flyback topology. No third
    winding or opto-isolator is required for regulation. The
    part senses the isolated output voltage directly from the
    primary-side flyback waveform. A 1.25A, 60V NPN power
    switch is integrated along with all control logic into a
    16‑lead MSOP package. n n n n The LT3573 operates with input supply voltages from
    3V to 40V, and can deliver output power up to 7W with
    no external power devices.The LT3573 utilizes boundary
    mode operation to provide a small magnetic solution with ...

Packaging

PackageMS-16E
Package CodeMSE

Parametrics

Demo BoardsDC1228A
Design ToolsLTspice File
Export Controlno yes/no
FeaturesBoundary Mode Operation, No Opto Isolator
Frequency1000 kHz
Integrated Inductorno yes/no
Isupply3.5 mA
Monolithicyes yes/no
Number of Outputs1
Operating Temperature Range0 to 85 °C
Polyphaseno yes/no
Switch Current1.55 A
Synchronousno yes/no
TopologyFlyback
Vin Max40 V
Vin Min3 V

Eco Plan

RoHSCompliant

Manufacturer's Classification

  • Switching Regulator

Other Names: LT3573EMSETRPBF, LT3573EMSE TRPBF

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