Datasheet Texas Instruments LP8550TLE/NOPB — 数据表

制造商Texas Instruments
系列LP8550
零件号LP8550TLE/NOPB
Datasheet Texas Instruments LP8550TLE/NOPB

适用于笔记本电脑25-DSBGA -30至85的高效LED背光驱动器

数据表

LP8550 High-Efficiency LED Backlight Driver for Notebooks datasheet
PDF, 1.5 Mb, 修订版: E, 档案已发布: Sep 9, 2014
从文件中提取

价格

状态

Lifecycle StatusActive (Recommended for new designs)
Manufacture's Sample AvailabilityYes

打包

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 Data下载

参数化

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

生态计划

RoHSCompliant

应用须知

  • Increasing Full-Load Efficiency of a Backlight Driver
    PDF, 1.2 Mb, 档案已发布: 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, 档案已发布: 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.

模型线

系列: LP8550 (3)

制造商分类

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