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Datasheet Linear Technology LT3798

ManufacturerLinear Technology
SeriesLT3798

Isolated No Opto-Coupler Flyback Controller with Active PFC

Datasheets

  • Download » Datasheet, PDF, 423 Kb, Revision: A
    LT3798 - Isolated No Opto-Coupler Flyback Controller with Active PFC
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    LT3798
    Isolated No Opto-Coupler
    Flyback Controller
    with Active PFC
    DESCRIPTION FEATURES Isolated PFC Flyback with Minimum Number of
    External Components
    n V and V
    IN
    OUT Limited Only by External Components
    n Active Power Factor Correctio Low Harmonic Distortio No Opto-Coupler Required
    n Constant-Current and Constant-Voltage Regulatio Accurate Regulated Voltage and Current (В±5% Typical)
    n Energy Star Compliant (<0.5W No Load Operation)
    n Thermally Enhanced 16-lead MSOP Package The LTВ®3798 is a constant-voltage/constant-current isolated flyback controller that combines active power factor
    correction (PFC) with no opto-coupler required for output
    voltage feedback into a single-stage converter. A LT3798
    based design can achieve a power factor of greater than 0.97
    by actively modulating the input current, allowing compliance with most Harmonic Current Emission requirements. n The LT3798 is well suited for a wide variety of off-line
    applications. The input range can be scaled up or down,
    depending mainly on the choice of external components.
    Efficiencies higher than 86% can be achieved with output
    power levels up to 100W. In addition, the LT3798 can easily
    be designed into high DC input applications. APPLICATIONS Offline 5W to 100W+ Applications High DC VIN Isolated Applications
    n Offline Bus Converter (12V, 24V or 48V Outputs) L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear ...

Prices

Packaging

LT3798EMSE#PBFLT3798EMSE#TRPBFLT3798HMSE#PBFLT3798HMSE#TRPBFLT3798IMSE#PBFLT3798IMSE#TRPBFLT3798MPMSE#PBFLT3798MPMSE#TRPBF
PackageMS-16EMS-16EMS-16EMS-16EMS-16EMS-16EMS-16EMS-16E
Package CodeMSEMSEMSEMSEMSEMSEMSEMSE

Parametrics

LT3798EMSE#PBFLT3798EMSE#TRPBFLT3798HMSE#PBFLT3798HMSE#TRPBFLT3798IMSE#PBFLT3798IMSE#TRPBFLT3798MPMSE#PBFLT3798MPMSE#TRPBF
Demo BoardsDC1817BDC1817BDC1817BDC1817BDC1817BDC1817BDC1817BDC1817B
Design ToolsLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice File
Export Control, yes/nonononononononono
FeaturesNo Opto Isolator, Active PFCNo Opto Isolator, Active PFCNo Opto Isolator, Active PFCNo Opto Isolator, Active PFCNo Opto Isolator, Active PFCNo Opto Isolator, Active PFCNo Opto Isolator, Active PFCNo Opto Isolator, Active PFC
Frequency, kHz150150150150150150150150
Isupply, mA1.31.31.31.31.31.31.31.3
Min Operating Threshold, V1010101010101010
Operating Temperature Range, °C0 to 850 to 85-40 to 125-40 to 125-40 to 85-40 to 85-55 to 125-55 to 125
Vin Range10V to 38V, 42V Shunt (DC), 90V to 265V (AC)10V to 38V, 42V Shunt (DC), 90V to 265V (AC)10V to 38V, 42V Shunt (DC), 90V to 265V (AC)10V to 38V, 42V Shunt (DC), 90V to 265V (AC)10V to 38V, 42V Shunt (DC), 90V to 265V (AC)10V to 38V, 42V Shunt (DC), 90V to 265V (AC)10V to 38V, 42V Shunt (DC), 90V to 265V (AC)10V to 38V, 42V Shunt (DC), 90V to 265V (AC)

Eco Plan

Moldel Line

Series: LT3798 (8)

Manufacturer's Classification

  • Power Management > Switching Regulator > Flyback, Forward and Isolated Controllers
  • Power Management > Power Control > Offline Controllers/PFC
  • Space & Harsh Environment > Extended Temperature Plastic (H & MP) > Extended Temperature (H & MP) Switching Regulators

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