Datasheet Texas Instruments LP8545 — Datenblatt

HerstellerTexas Instruments
SerieLP8545
Datasheet Texas Instruments LP8545

Hocheffizienter LED-Hintergrundbeleuchtungstreiber für Notebooks

Datenblätter

LP8545 High-Efficiency LED Backlight Driver for Notebooks datasheet
PDF, 1.2 Mb, Revision: D, Datei veröffentlicht: Jan 3, 2014
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Preise

Status

LP8545SQ/NOPBLP8545SQE/NOPBLP8545SQX/NOPB
Lifecycle StatusActive (Recommended for new designs)Active (Recommended for new designs)Active (Recommended for new designs)
Manufacture's Sample AvailabilityNoYesNo

Verpackung

LP8545SQ/NOPBLP8545SQE/NOPBLP8545SQX/NOPB
N123
Pin242424
Package TypeRTWRTWRTW
Industry STD TermWQFNWQFNWQFN
JEDEC CodeS-PQFP-NS-PQFP-NS-PQFP-N
Package QTY10002504500
CarrierSMALL T&RSMALL T&RLARGE T&R
Device MarkingL8545SQL8545SQL8545SQ
Width (mm)444
Length (mm)444
Thickness (mm).75.75.75
Pitch (mm).5.5.5
Max Height (mm).8.8.8
Mechanical DataHerunterladenHerunterladenHerunterladen

Parameter

Parameters / ModelsLP8545SQ/NOPB
LP8545SQ/NOPB
LP8545SQE/NOPB
LP8545SQE/NOPB
LP8545SQX/NOPB
LP8545SQX/NOPB
Number of Channels666
Duty Cycle(Max), %100100100
LED606060
LED Current Per Channel, mA505050
Operating Temperature Range, C-30 to 85-30 to 85-30 to 85
Package GroupWQFNWQFNWQFN
Package Size: mm2:W x L, PKG24WQFN: 16 mm2: 4 x 4(WQFN)24WQFN: 16 mm2: 4 x 4(WQFN)24WQFN: 16 mm2: 4 x 4(WQFN)
Peak Efficiency, %919191
RatingCatalogCatalogCatalog
Shutdown Current(Typ), uA111
Special FeaturesAdjustable Switch Frequency,Enable/Shutdown,I2C Control,PWM ControlAdjustable Switch Frequency,Enable/Shutdown,I2C Control,PWM ControlAdjustable Switch Frequency,Enable/Shutdown,I2C Control,PWM Control
Switching Frequency(Max), kHz125012501250
TopologyBoostBoostBoost
TypeInductiveInductiveInductive
Vin(Max), V222222
Vin(Min), V5.55.55.5
Vout(Max), V555555

Öko-Plan

LP8545SQ/NOPBLP8545SQE/NOPBLP8545SQX/NOPB
RoHSCompliantCompliantCompliant

Modellreihe

Herstellerklassifikation

  • Semiconductors> Power Management> LED Driver> Backlight