Texas Instruments LM3431-Q1 3-Channel Constant Current LED Driver with Integrated Boost Controller LM3431QMHX/NOPB

3-Channel Constant Current LED Driver with Integrated Boost Controller 28-HTSSOP -40 to 125

Manufacturer: Texas Instruments
Win Source Part Number: 731979-LM3431QMHX/NOPB
Series: Automotive, AEC-Q100
Packaging: Reel - TR
Type: DC DC Controller
Operating Temperature Range: -40°C ~ 125°C (TJ)
Package: 28-TSSOP (0.173", 4.40mm Width) Exposed Pad
Applications: Backlight
Mounting: SMD
Frequency: 1MHz
Internal Switch(s): No
Topology: Step-Up (Boost)
Number of Outputs: 3
Dimming: Analog, PWM
Family Name: LM3431
Categories: Integrated Circuits (ICs)
Manufacturer Homepage: www.ti.com
Manufacturer Package: 28-HTSSOP
Voltage Supply MAX: 36V
Voltage Supply MIN: 4.5V
Alternative Parts (Cross-Reference): UDN2987A; TLD5045EJ; LT3952HFE#TRPBF;
ECCN: EAR99
Country of Origin: Malaysia
Estimated EOL Date: 2028
Halogen Free: Compliant
Popularity: Medium
Fake Threat In the Open Market: 60 pct.
Supply and Demand Status: Limited

LED Driver 5V/9V/12V/15V/18V/24V Automotive 28-Pin HTSSOP EP T/R Product overview: LM3431QMHX/NOPB from Texas Instruments is a LED Driver IC for LED lighting, display backlights, indicator control, automotive lighting, signage, and regulated current drive circuits. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include Automotive, 5V, 9V, 12V, HTSSOP. Search-friendly keywords include LED driver IC, constant current, lighting control, display backlight, Automotive, 5V, 9V, 12V, External/Internal LED Drivers. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 137-LM3431QMHX/NOPB can be used for catalog matching and distributor lookup.

LED Driver IC 3 Output DC DC Controller Step-Up (Boost) Analog, PWM Dimming 28-HTSSOP