Texas Instruments

Category: Drivers and Interfaces

LM3431 3-Channel Constant Current LED Driver with Integrated Boost Controller

$1.87 - $3.15
Distributor SKU Stock MOQ 1 10 50 100 1000 10000 Purchase
DigiKey LM3431MHX/NOPBTR-ND 0 $1.00 $1.00 $1.00 $1.00 $1.78 $2.13 Buy
Arrow North American Components LM3431MHX/NOPB 0 2500 $1.47 $1.47 $1.47 $1.47 $1.47 $1.54 Buy
AVNET Europe LM3431MHX/NOPB 2500 * $1.98 Buy
AVNET Express LM3431MHX/NOPB 1 $1.77 $1.73 Buy
Mouser Electronics 926-LM3431MHX/NOPB 0 2500 $2.02 Buy
Texas Instruments LM3431MHX/NOPB 17655 1 $3.15 $3.15 $3.15 $2.76 $1.56 $1.56 Buy
Win Source LM3431MHX/NOPB 6000 30 Buy

Parts in family

Technical Specifications

Lead Free Status Yes
ROHS Compliance Yes
Approx. Price (US$) 1.20 | 1ku
Comments Programmable LED Fault Protection,>100
Dimming Method Analog,PWM
Input Voltage(Type) DC/DC
Iout(Max)(A) 0.6
Iq(Typ)(mA) 4
Operating Temperature Range(C) -40 to 125
Package Group HTSSOP
Package Size mm2
Power Factor Correction(Min) N/A
Rating Catalog
Regulated Outputs(#) 3
Special Features Adjustable Switch Frequency,Enable/Shutdown,Soft Start,Thermal Shutdown
Switching Frequency(Max)(kHz) 1000
Switching Frequency(Min)(kHz) 200
Topology Boost,Boost with Current Sink,Multi-Channel
Type Controller,Inductive
Vin(Max)(V) 36
Vin(Min)(V) 4.5
Vout(Max)(V) 40
Vout(Min)(V) 5.5
Vref(V) 2.5