Datasheet Texas Instruments LP8550TLE/NOPB — Ficha de datos

FabricanteTexas Instruments
SerieLP8550
Numero de parteLP8550TLE/NOPB
Datasheet Texas Instruments LP8550TLE/NOPB

Controlador de retroiluminación LED de alta eficiencia para portátiles 25-DSBGA -30 a 85

Hojas de datos

LP8550 High-Efficiency LED Backlight Driver for Notebooks datasheet
PDF, 1.5 Mb, Revisión: E, Archivo publicado: sept 9, 2014
Extracto del documento

Precios

Estado

Estado del ciclo de vidaActivo (Recomendado para nuevos diseños)
Disponibilidad de muestra del fabricante

Embalaje

Pin25
Package TypeYZR
Industry STD TermDSBGA
JEDEC CodeS-XBGA-N
Package QTY250
CarrierSMALL T&R
Device Marking8550
Width (mm)2.8
Length (mm)3
Thickness (mm).675
Pitch (mm).5
Max Height (mm).675
Mechanical DataDescargar

Paramétricos

Number of Channels6
Duty Cycle(Max)100 %
LED60
LED Current Per Channel50 mA
Operating Temperature Range-30 to 85 C
Package GroupDSBGA
Package Size: mm2:W x LSee datasheet (DSBGA) PKG
Peak Efficiency91 %
RatingCatalog
Shutdown Current(Typ)1 uA
Special FeaturesAdjustable Switch Frequency,Enable/Shutdown,I2C Control,PWM Control
Switching Frequency(Max)1250 kHz
TopologyBoost
TypeInductive
Vin(Max)22 V
Vin(Min)5.5 V
Vout(Max)40 V
Vout(Min)10 V

Plan ecológico

RoHSObediente

Notas de aplicación

  • Increasing Full-Load Efficiency of a Backlight Driver
    PDF, 1.2 Mb, Archivo publicado: jun 5, 2013
    This application report discusses a way to increase the efficiency of the boost converter in a backlightdriver by reducing conduction and AC losses in the inductor, thereby increasing the overall efficiency ofthe backlight driver at higher loads.
  • Power Budget for Backlight Drivers
    PDF, 592 Kb, Archivo publicado: jun 27, 2013
    This application report discusses the Power Budget of an LED backlight driver. It provides experimental and theoretical methods of calculating different losses associated with LED backlight drivers. It also provides an analytical discussion on behavior of different losses vs brightness levels.

Linea modelo

Serie: LP8550 (3)

Clasificación del fabricante

  • Semiconductors > Power Management > LED Driver > Backlight LED Driver