Datasheet Linear Technology LT3797 — Ficha de datos

FabricanteLinear Technology
SerieLT3797

Controlador de controlador LED de triple salida

Hojas de datos

LT3797 - Triple Output LED Driver Controller
PDF, 451 Kb, Revisión: B, Archivo subido: oct 4, 2017
Extracto del documento

Precios

Embalaje

LT3797ELXE#PBFLT3797EUKG#PBFLT3797EUKG#TRPBFLT3797ILXE#PBFLT3797IUKG#PBFLT3797IUKG#TRPBF
N123456
Package7mm x 7mm LQFP-48
Dibujo del esquema del paquete
7x8 QFN-52
Dibujo del esquema del paquete
7x8 QFN-52
Dibujo del esquema del paquete
7mm x 7mm LQFP-48
Dibujo del esquema del paquete
7x8 QFN-52
Dibujo del esquema del paquete
7x8 QFN-52
Dibujo del esquema del paquete
Package CodeLXEUKGUKGLXEUKGUKG
Package Index05-08-192705-08-187405-08-187405-08-192705-08-187405-08-1874
Pin Count485252485252

Paramétricos

Parameters / ModelsLT3797ELXE#PBFLT3797EUKG#PBFLT3797EUKG#TRPBFLT3797ILXE#PBFLT3797IUKG#PBFLT3797IUKG#TRPBF
ArchitectureConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current Mode
Demo BoardsDC1784A,DC2218A,DC1784BDC1784A,DC2218A,DC1784BDC1784A,DC2218A,DC1784BDC1784A,DC2218A,DC1784BDC1784A,DC2218A,DC1784BDC1784A,DC2218A,DC1784B
Design ToolsLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice File
Dimming3000:1 PWM3000:1 PWM3000:1 PWM3000:1 PWM3000:1 PWM3000:1 PWM
Export Controlnononononono
FeaturesRail-to-Rail Current Sense, Open LED Protection, Resistor Set Frequency, External SynchronizationRail-to-Rail Current Sense, Open LED Protection, Resistor Set Frequency, External SynchronizationRail-to-Rail Current Sense, Open LED Protection, Resistor Set Frequency, External SynchronizationRail-to-Rail Current Sense, Open LED Protection, Resistor Set Frequency, External SynchronizationRail-to-Rail Current Sense, Open LED Protection, Resistor Set Frequency, External SynchronizationRail-to-Rail Current Sense, Open LED Protection, Resistor Set Frequency, External Synchronization
Frequency, kHz100010001000100010001000
Ishutdown, µA0.10.10.10.10.10.1
Isupply, mA0.50.50.50.50.50.5
Max Number of LEDs25+25+25+25+25+25+
Monolithicnononononono
Number of Outputs333333
Operating Temperature Range, °C0 to 850 to 850 to 85-40 to 85-40 to 85-40 to 85
Output Current, A555555
Switch Current, A202020202020
Synchronousnononononono
TopologyBuck, Boost, Buck-Boost, Sepic, LED DriverBuck, Boost, Buck-Boost, Sepic, LED DriverBuck, Boost, Buck-Boost, Sepic, LED DriverBuck, Boost, Buck-Boost, Sepic, LED DriverBuck, Boost, Buck-Boost, Sepic, LED DriverBuck, Boost, Buck-Boost, Sepic, LED Driver
Vin Max, V404040404040
Vin Min, V2.52.52.52.52.52.5
Vout Max, V100100100100100100

Plan ecológico

LT3797ELXE#PBFLT3797EUKG#PBFLT3797EUKG#TRPBFLT3797ILXE#PBFLT3797IUKG#PBFLT3797IUKG#TRPBF
RoHSObedienteObedienteObedienteObedienteObedienteObediente

Artículos

  • Boost-then-Buck LED Drivers Enable Wide PWM Dimming Range with Wide-Ranging Input Voltages (LT3797) &mdash LT Journal
    PDF, 218 Kb, Archivo publicado: abr 9, 2014
    Extracto del documento

Linea modelo

Clasificación del fabricante

  • Power Management > LED Driver ICs > Buck-Boost LED Drivers | Multitopology LED Driver | Step-Up (Boost) LED Drivers | Step-Down (Buck) LED Drivers