Datasheet Linear Technology LT3474

ManufacturerLinear Technology
SeriesLT3474

Step-Down 1A LED Driver

Datasheets

Datasheet LT3474, LT3474-1
PDF, 226 Kb, Language: en, File uploaded: Oct 4, 2017, Pages: 20
Step-Down 1A LED Driver
Extract from the document

Prices

Packaging

LT3474EFE#PBFLT3474EFE#TRPBFLT3474IFE#PBFLT3474IFE#TRPBF
N1234
PackageTSSOP-16
Package Outline Drawing
TSSOP-16
Package Outline Drawing
TSSOP-16
Package Outline Drawing
TSSOP-16
Package Outline Drawing
Package CodeFEFEFEFE
Package Index05-08-1663 (BA)05-08-1663 (BA)05-08-1663 (BA)05-08-1663 (BA)
Pin Count16161616

Parametrics

Parameters / ModelsLT3474EFE#PBFLT3474EFE#TRPBFLT3474IFE#PBFLT3474IFE#TRPBF
ArchitectureImproved Average Output Current ControlImproved Average Output Current ControlImproved Average Output Current ControlImproved Average Output Current Control
Demo BoardsDC1309A,DC842ADC1309A,DC842ADC1309A,DC842ADC1309A,DC842A
Design ToolsLTspice FileLTspice FileLTspice FileLTspice File
Dimming400:1 PWM ,10:1 Analog400:1 PWM ,10:1 Analog400:1 PWM ,10:1 Analog400:1 PWM ,10:1 Analog
Export Controlnononono
FeaturesIntegrated Boost Diode, Open LED Protection, True Color PWM Dimming, Resistor Set FrequencyIntegrated Boost Diode, Open LED Protection, True Color PWM Dimming, Resistor Set FrequencyIntegrated Boost Diode, Open LED Protection, True Color PWM Dimming, Resistor Set FrequencyIntegrated Boost Diode, Open LED Protection, True Color PWM Dimming, Resistor Set Frequency
Frequency, kHz500500500500
Ishutdown, µA0.010.010.010.01
Isupply, mA2.62.62.62.6
Max Number of LEDs4444
Monolithicyesyesyesyes
Number of Outputs1111
Operating Temperature Range, °C0 to 850 to 85-40 to 85-40 to 85
Output Current, A1111
Switch Current, A2.12.12.12.1
Synchronousnononono
TopologyBuck, LED DriverBuck, LED DriverBuck, LED DriverBuck, LED Driver
Vin Max, V36363636
Vin Min, V4444
Vout Max, V15151515

Eco Plan

LT3474EFE#PBFLT3474EFE#TRPBFLT3474IFE#PBFLT3474IFE#TRPBF
RoHSCompliantCompliantCompliantCompliant

Other Options

LT3474-1 LT3474-1

Design Notes

  • Wide Input Range 1A LED Driver Powers High Brightness LEDs with Automotive and 12VAC Supplies &mdash DN388
    PDF, 114 Kb, File published: Mar 2, 2006
    Extract from the document
  • High Voltage Buck Converters Drive High Power LEDs &mdash DN392
    PDF, 98 Kb, File published: Jun 1, 2006
    Extract from the document

Model Line

Manufacturer's Classification

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