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Datasheet Linear Technology LT3439

ManufacturerLinear Technology
SeriesLT3439

Slew Rate Controlled Ultralow Noise 1A Isolated DC/DC Transformer Driver

Datasheets

  • Download » Datasheet, PDF, 196 Kb, Revision: S
    LT3439 - Slew Rate Controlled Ultralow Noise 1A Isolated DC/DC Transformer Driver
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    LT3439
    Slew Rate Controlled
    Ultralow Noise1A Isolated
    DC/DC Transformer Driver U FEATURES

    ■ ■






    ■ DESCRIPTIO The LT®3439 is a push-pull DC/DC transformer driver that
    reduces conducted and radiated electromagnetic interference (EMI). Ultralow noise and EMI are achieved by
    controlling the output switch voltage and current slew
    rates. Slew rates are user adjustable to optimize output
    noise versus efficiency. The LT3439 can reduce high
    frequency harmonic content by as much as 40dB with only
    a minor decrease in efficiency. Reduced Conducted and Radiated EMI
    Single Resistor Control of Output Switch Voltage
    and Current Slew Rates
    Cross Conduction Prevention Circuitry
    Two 1A Current Limited Power Switches ...

Prices

Packaging

LT3439EFE#PBFLT3439EFE#TRPBF
PackageTSSOP-16TSSOP-16
Package CodeFEFE

Parametrics

LT3439EFE#PBFLT3439EFE#TRPBF
Demo BoardsDC511ADC511A
Design ToolsLTspice FileLTspice File
Export Control, yes/nonono
FeaturesLow EMI, Adjustable Slew Rate, Resistor Set Frequency, External SynchronizationLow EMI, Adjustable Slew Rate, Resistor Set Frequency, External Synchronization
Frequency, kHz250250
Frequency Adjust Range20kHz - 250kHz20kHz - 250kHz
Frequency Sync Range20kHz - 300kHz20kHz - 300kHz
Integrated Inductor, yes/nonono
Ishutdown, A55
Isupply, mA1212
Monolithic, yes/noyesyes
Number of Outputs11
Operating Temperature Range, °C0 to 850 to 85
Polyphase, yes/nonono
Switch Current, A11
Synchronous, yes/nonono
TopologyPush-PullPush-Pull
Vin Max, V2020
Vin Min, V2.82.8
Vout Min, V2.82.8

Eco Plan

LT3439EFE#PBFLT3439EFE#TRPBF
RoHSCompliantCompliant

Moldel Line

Series: LT3439 (2)

Manufacturer's Classification

  • Power Management > Switching Regulator > Ultralow Noise Regulators | Flyback, Forward and Isolated Controllers

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