Texas Instruments

Category: Drivers and Interfaces

LM3509 High Efficiency Boost for White LEDs and/or OLED Displays with Dual Current Sinks

$1.13 - $2.54
Distributor SKU Stock MOQ 1 10 50 100 1000 10000 Purchase
DigiKey 2156-LM3509SDX/NOPB-ND 1296 231 $2.54 $2.28 $2.28 $1.83 $1.25 $1.34 Buy
Ameya360 LM3509SDX/NOPB 40500 Buy
Arrow Asia LM3509SDX/NOPB 4500 4500 $1.12 Buy
Arrow North American Components LM3509SDX/NOPB 0 4500 $1.02 Buy
AVNET Asia Pacific LM3509SDX/NOPB 4500 $1.36 Buy
AVNET Europe LM3509SDX/NOPB 4500 * $1.33 Buy
AVNET Express LM3509SDX/NOPB 4500 1 $1.26 $1.21 Buy
Mouser Electronics 926-LM3509SDX/NOPB 2605 1 $2.48 $2.21 $2.21 $1.78 $1.21 $1.08 Buy
Texas Instruments LM3509SDX/NOPB 42165 1 $1.87 $1.87 $1.87 $1.55 $0.84 $0.84 Buy
Verical Marketplace LM3509SDX/NOPB 4500 4500 $1.05 Buy

Parts in family

Technical Specifications

Lead Free Status Yes
ROHS Compliance Yes
Approx. Price (US$) 0.95 | 1ku
Channels(#) 2
Duty Cycle(Max)(%) 90
LED Current Per Channel(mA) 30
LED(#) 10
Operating Temperature Range(C) -40 to 85
Package Group WSON
Package Size mm2
Peak Efficiency(%) 88
Rating Catalog
Shutdown Current(Typ)(uA) 3.6
Special Features I2C Control, OVP
Switching Frequency(Max)(kHz) 1250
Topology Boost
Type Inductive
Vin(Max)(V) 5.5
Vin(Min)(V) 2.7
Vout(Max)(V) 21