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Datasheet Linear Technology LT3743EFE#TRPBF

Manufacturer:Linear Technology
Series:LT3743
Part Number:LT3743EFE#TRPBF

High Current Synchronous Step-Down LED Driver with Three-State Control

Datasheets

  • Download » Datasheet, PDF, 535 Kb, Revision: E
    LT3743 - High Current Synchronous Step-Down LED Driver with Three-State Control
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    FEATURES LT3743
    High Current Synchronous
    Step-Down LED Driver with
    Three-State Control
    DESCRIPTION PWM Dimming Provides Up to 3000:1 Dimming Ratio
    CTRL_SEL Dimming Provides Up to 3000:1 Dimming
    Ratio Between Any Current
    nn Three-State Current Control for Color Mixing
    nn ±6% Current Regulation Accuracy
    nn 6V to 36V Input Voltage Range
    nn Average Current Mode Control
    nn 2µs Maximum Recovery Time Between Any Current
    Regulation State
    nn <1µA Shutdown Current
    nn Output Voltage Regulation and Open-LED Protection
    nn Thermally Enhanced 4mm × 5mm QFN and
    28-Pin FE Package The LT®3743 is a fixed frequency synchronous step-down
    DC/DC controller designed to drive high current LEDs. The
    average current mode controller will maintain inductor
    current regulation over a wide output voltage range of 0V
    to (VIN – 2V). LED dimming is achieved through analog
    dimming on the CTRL_L, CTRL_H and CTRL_T pins and
    with PWM dimming on the PWM and CTRL_SEL pins. ...

Prices

Packaging

PackageTSSOP-28
Package CodeFE

Parametrics

ArchitectureImproved Average Output Current Control
Demo BoardsDC1470A
Design ToolsLTspice File
Dimming3000:1 PWM, 10:1 Analog
Export Controlno yes/no
FeaturesOpen LED Protection
Frequency1000 kHz
Ishutdown.1 µA
Isupply1.8 mA
Max Number of LEDs10
Monolithicno yes/no
Number of Outputs1
Operating Temperature Range0 to 85 °C
Output Current20 A
Switch Current20 A
Synchronousyes yes/no
TopologyBuck, LED Driver
Vin Max36 V
Vin Min6 V
Vout Max30 V

Eco Plan

RoHSCompliant

Manufacturer's Classification

  • Power Management > LED Driver ICs > Step-Down (Buck) LED Drivers

Other Names: LT3743EFETRPBF, LT3743EFE TRPBF

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