Lumissil Microsystems LED Drivers IS31FL3733B-QFLS4-TR

LED Driver IC 16 Output Linear Constant Current I²C, PWM Dimming 42mA 48-QFN (6x6)

LED Driver IC 16 Output Linear Constant Current I²C, PWM Dimming 42mA 48-QFN (6x6)

LED Driver IC 16 Output Linear Constant Current I²C, PWM Dimming 42mA 48-QFN (6x6)

IC LED DRVR LIN I2C 42MA 48QFN Product overview: IS31FL3733B-QFLS4-TR from Lumissil Microsystems 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 42MA. Search-friendly keywords include LED driver IC, constant current, lighting control, display backlight, 42MA, External/Internal LED Drivers. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 137-IS31FL3733B-QFLS4-TR can be used for catalog matching and distributor lookup.

Win Source Part Number: 1354224-IS31FL3733B-QFLS4-TR
Category: Integrated Circuits (ICs) - Power Management (PMIC) - LED Drivers
Temperature Range - Operating: -40°C ~ 125°C (TA)
Fake Threat In the Open Market: 31 pct.
Type: Linear
MSL Level: 3 (168 Hours)
Mfr: Lumissil Microsystems
Package: Tape & Reel
Product Status: Active
Frequency: 1MHz
Package / Case: 48-WFQFN Exposed Pad
Supplier Device Package: 48-QFN (6x6)
Base Product Number: IS31FL3733
Mounting Type: Surface Mount
HTSUS: 8542.39.0001
Applications: General Purpose
REACH Status: REACH Unaffected
ECCN: EAR99
Topology: Constant Current
Internal Switch(s): Yes
Number of Outputs: 16
Voltage - Supply (Min): 2.7V
Voltage - Supply (Max): 5.5V
Current - Output / Channel: 42mA
Dimming: I²C, PWM