EN
  • EN
  • DE
loading
Mfr. Part No. Qty. Price

No items in the cart

View Cart
Same model may have multiple batches, images only for reference.
LM3503SQ-44/NOPB Texas Instruments
Same model may have multiple batches, images only for reference.

LM3503SQ-44/NOPB

Part No LM3503SQ-44/NOPB
Manufacturer Texas Instruments
Catalog PMIC - LED Drivers
Description IC LED DRIVER RGLTR DIM 16WQFN
Datasheet
LM3503SQ-44/NOPB Datasheet
Sample
Rohs State rohs
ECAD Module
Need Help

Products specifications Report Issue?

Categories Integrated Circuits
Manufacturer Texas Instruments
Packaging Reel - TR
Status Obsolete(EOL)
Type DC DC Regulator
Topology Step-Up (Boost)
Internal Switch(s) Yes
Number of Outputs 2
Operating Input Voltage(Min) 2.5V
Maximum Supply Voltage 5.5V
Output Voltage 44V
Channel Output Current 750mA (Switch)
Frequency 1MHz
Dimming Analog, PWM
Applications Backlight
Temperature Range - Operating -40°C to 85°C (TA)
Mounting SMD (SMT)
Case / Package 16-WQFN (4x4)
Win Source Part Number 100981-LM3503SQ-44/NOPB
Popularity Medium
Supply and Demand Status Sufficient
Ultra Librarian 3D Model Ultra Librarian LM3503SQ-44/NOPB CAD Model

Description

The LM3503SQ-44/NOPB is a high-performance, sophisticated power management device from Texas Instruments.

  • Input Voltage Range: Wide input voltage range
  • Current Sinks: Two regulated current sinks, adjustable
  • Switching Frequency: 4MHz
  • Operating Temperature Range: -40°C to 85°C
  • Package: 24-pin WQFN package

You May Also Be Interested in

A6279ELP-T Real Image
A6279ELP-T
Allegro MicroSystems, LLC
IC LED DRVR LIN 75.5MA 24TSSOP / LED Driver IC 16 Output Linear Shift Register Dimming 75.5mA 24-TSSOP-EP
Need more? Email Us
MP2481DH-LF-P Real Image
MP2481DH-LF-P
Monolithic Power Systems Inc.
IC REG BUCK SYNC 36V 1.2A
Lowest to $2.5442
A6285EETTR-T Real Image
A6285EETTR-T
Allegro MicroSystems, LLC
IC LED DRIVER LINEAR 80MA 32QFN
Lowest to $2.1735
TLC5971RGER Real Image
TLC5971RGER
Texas Instruments
IC LED DRIVER LINEAR 60MA 24VQFN
Lowest to $1.4731
AL3065AS16-13 Real Image
AL3065AS16-13
Diodes Incorporated
IC LED DRVR CTRLR PWM 250MA 16SO / LED Driver IC 4 Output DC DC Controller Step-Up (Boost) Analog, PWM Dimming 250mA 16-SO
Lowest to $1.1342
AL1666S-13 Real Image
AL1666S-13
Diodes Incorporated
IC LED DRIVER CTRLR PWM 8SO / LED Driver IC 1 Output DC DC Controller Flyback, Step-Down (Buck), Step-Up (Boost) Analog, PWM Dimming 8-SO
Lowest to $0.4068
ZXLD1371EST16TC Real Image
ZXLD1371EST16TC
Diodes Incorporated
IC LED DRIVER CTRLR DIM 16TSSOP
Lowest to $2.9105
AL8861QMP-13 Real Image
AL8861QMP-13
Diodes Incorporated
IC LED DRVR RGLTR PWM 1.5A 8MSOP / LED Driver IC 1 Output DC DC Regulator Step-Down (Buck) Analog, PWM Dimming 1.5A 8-MSOP-EP
Lowest to $0.2386
AL1673-20CSP-13 Real Image
AL1673-20CSP-13
Diodes Incorporated
IC LED DRIVER OFFL PWM 2A 8SO 4K / LED Driver IC 1 Output AC DC Offline Switcher Flyback, Step-Down (Buck), Step-Up (Boost) Analog, PWM Dimming 2A 8-SO-EP
Lowest to $0.3656

Top Sellers

FT232RL-REEL Real Image
FT232RL-REEL
FTDI, Future Technology Devices International Ltd
IC USB FS SERIAL UART 28-SSOP
Lowest to $5.9399
ICM-42605 real image24295
ICM-42605
TDK InvenSense
IMU ACCEL/GYRO/TEMP I2C/SPI LGA
Lowest to $10.2166
FT230XS-U real image21586
FT230XS-U
FTDI, Future Technology Devices International Ltd
IC USB SERIAL BASIC UART 16SSOP
Lowest to $6.4151
BMI088 real image23913
BMI088
Bosch Sensortec
ACCELEROMETER 16LGA / Accelerometer, Gyroscope, 6 Axis Sensor I2C, SPI Output
Lowest to $11.8797
FT4232HL-REEL real image4451
FT4232HL-REEL
FTDI, Future Technology Devices International Ltd
IC USB HS QUAD UART/SYNC 64-LQFP
Lowest to $14.0181
ULN2803ADWR real image9675
ULN2803ADWR
Texas Instruments
TRANS 8NPN DARL 50V 0.5A 18SO
Lowest to $4.7519
PE4312C-Z label picture
PE4312C-Z
Peregrine Semiconductor
RF ATTENUATOR 31.5DB 50OHM 20QFN
Lowest to $2.2891
BMI160 real image
BMI160
Bosch Sensortec
IMU ACCEL/GYRO I2C/SPI 14LGA / Accelerometer, Gyroscope, 6 Axis Sensor I2C, SPI Output
Lowest to $3.6828
CY7C68013A-128AXC Real Image
CY7C68013A-128AXC
Cypress Semiconductor Corp
IC MCU USB PERIPH HI SPD 128LQFP
Lowest to $19.0076
TPSM63606RDLR Real Image
TPSM63606RDLR
Texas Instruments
DC DC CONVERTER 1-16V / Non-Isolated PoL Module DC DC Converter 1 Output 1 ~ 16V 6A 3V - 36V Input
Lowest to $13.4125
BME280 Real Image
BME280
Bosch Sensortec
SENSOR PRESSURE HUMIDITY TEMP
Lowest to $4.0391
BM06B-GHS-TBT(LF)(SN)(N) Real Image2
BM06B-GHS-TBT(LF)(SN)(N)
JST Sales America Inc.
CONN HEADER SMD 6POS 1.25MM
Lowest to $0.4985
FT4232HL real image4446
FT4232HL
FTDI, Future Technology Devices International Ltd
IC USB HS QUAD UART/SYNC 64-LQFP
Lowest to $14.0181
EC2-5NU real image3736
EC2-5NU
Kemet
RELAY GEN PURPOSE DPDT 2A 5V
Lowest to $0.9677
BAS516 Real Image
BAS516
Nexperia USA Inc.
DIODE GEN PURP 100V 250MA SOD523
Lowest to $0.0214
Availability: Check Availability & Quote
Notify Me When Available

Shipping Information

Shipped from HK warehouse
Expected Shipping Date Get an estimate

Contact Us

*
*
*

FRAUD PREVENTION REMINDERS

Recently, We have discovered that criminals falsely claimed to be WIN SOURCE to commit fraud. Please note that the only official website & email suffix are win-source.group, win-source.net, winsourcectl.com and winsourceelec.com

More details about fraud prevention
About Us
Customer Service
Solutions
Copyright © 2026 WIN SOURCE. All rights reserved.
For detailed contact information and office addresses in our key locations, including Irvine, Munich, Toronto, Singapore, Seoul, Bangalore, Bologna, Yamanashi, Hong Kong, and Mainland China, please visit our website.
Trust Guard Security Scanned
RFQ RFQ RFQ BOM BOM BOM API API API Sell Sell Sell your Excess