Texas Instruments

Category: Drivers and Interfaces

LP8543 SMBus/I2C Controlled WLED Driver for Medium Sized LCD Backlight

$1.39 - $2.99
Distributor SKU Stock MOQ 1 10 50 100 1000 10000 Purchase
DigiKey LP8543SQE/NOPBCT-ND 15 $2.66 $2.39 $2.25 $1.85 $1.66 $1.40 Buy
AVNET Asia Pacific LP8543SQE/NOPB 250 $1.28 $1.22 Buy
AVNET Europe LP8543SQE/NOPB 1 * $1.82 * $1.68 * $1.48 * $1.40 * $1.40 * $1.40 Buy
AVNET Express LP8543SQE/NOPB 1 $1.51 $1.45 Buy
element14 APAC LP8543SQE/NOPB 7 250 * $1.57 * $1.43 Buy
Farnell LP8543SQE/NOPB 7 250 * $1.48 * $1.45 Buy
Mouser Electronics 926-LP8543SQE/NOPB 0 1 $2.99 $2.54 $2.54 $2.20 $1.54 $1.42 Buy
Newark LP8543SQE/NOPB 7 250 $2.66 $2.39 $2.10 $1.96 $1.96 $1.96 Buy
Texas Instruments LP8543SQE/NOPB 8995 1 $2.46 $2.46 $2.46 $2.03 $1.10 $1.10 Buy
Verical Marketplace LP8543SQE/NOPB 9000 250 $1.27 $1.27 Buy
Win Source LP8543SQE/NOPB 7030 Buy

Parts in family

Technical Specifications

Lead Free Status Yes
ROHS Compliance Yes
Approx. Price (US$) 0.99 | 1ku
Channels(#) 7
LED Current Per Channel(mA) 60
LED(#) 70
Operating Temperature Range(C) -30 to 85
Package Group WQFN
Package Size mm2
Peak Efficiency(%) 91
Rating Catalog
Shutdown Current(Typ)(uA) 1
Special Features Enable/Shutdown,I2C Control,PWM Control
Switching Frequency(Max)(kHz) 1250
Topology Boost,Current Sink
Type Inductive
Vin(Max)(V) 22
Vin(Min)(V) 5.5
Vout(Max)(V) 40
Vout(Min)(V) 10