TI LM3503SQ-44/NOPB
TI LM3503SQ-44/NOPB

TI LM3503SQ-44/NOPB

Manufacturer No:

LM3503SQ-44/NOPB

Manufacturer:

TI

Package:

16-WFQFN Exposed Pad

Description:

3/5V 0.5mm PMIC LM3503 16 Pin 16-WFQFN Exposed Pad

User Guide

Aichiplink operates certified in-house inspection and testing facilities to ensure all electronic components meet internationally recognized quality and compliance standards. Our quality management system is verified through ISO 9001 certification and industry-standard inspection procedures.

PURCHASE

Please verify all part numbers, quantities, and packaging preferences before placing your order. If substitutions are acceptable, please indicate this clearly. For time-sensitive projects, confirm estimated delivery dates and stock availability in advance. Once submitted, changes or cancellations may not be possible, especially for items marked as non-cancellable/non-returnable (NCNR). For international shipments, please ensure all import documentation is complete and accurate to avoid delays.

MEANS OF PAYMENT

For your convenience, we accept multiple payment methods in USD, including PayPal, Credit Card, and Wire Transfer. Net terms may be available for qualified customers upon approval.

RFQ (REQUEST FOR QUOTATIONS)

Please ensure the part numbers and quantities are accurate and complete when submitting your RFQ.
Provide target prices and acceptable alternatives, if any, to speed up the quotation process.

IMPORTANT NOTICE

Quotations are subject to stock availability and may vary with market conditions. Prices and lead times are not guaranteed until a purchase order is confirmed. Ensure your contact details are correct to avoid delays in response.

Step1:Prepare product

Step1:Prepare product

Step2:Desiccant Protection

Step2:Desiccant Protection

Step3:Vacuum Packaging

Step3:Vacuum Packaging

Step4:Individual Package

Step4:Individual Package

Step5:Anti-collision Filling

Step5:Anti-collision Filling

Step6:Packaging Box

Step6:Packaging Box

SHIPPING COST

1. Shipping starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.).
2. Some specific products need to reach the minimum order quantity.
3. It may cost additional remote fees for delivery if you are in a remote area.

SHIPPING METHOD

Currently, our products are shipped through DHL, FedEx, SF, and UPS.

DELIVERY TIME

1. Once the goods are shipped, estimated delivery time depends on the shipping methods you chose: FedEx International, 5-7 business days.
2. For in-stock parts, orders normally could be shipped out within 1-2days.

LM3503SQ-44/NOPB Information

TI LM3503SQ-44/NOPB technical specifications, attributes, parameters and parts with similar specifications to TI LM3503SQ-44/NOPB.

  • Type
  • Parameter
  • Mount
  • Surface Mount
  • Mounting Type
  • Surface Mount
  • Package / Case
  • 16-WFQFN Exposed Pad
  • Number of Pins
  • 16
  • Operating Temperature
  • -40°C~85°C TA
  • Packaging
  • Tape & Reel (TR)
  • JESD-609 Code
  • e3
  • Pbfree Code
  • no
  • Part Status
  • Obsolete
  • Moisture Sensitivity Level (MSL)
  • 1 (Unlimited)
  • Type
  • Parameter
  • Number of Terminations
  • 16
  • ECCN Code
  • EAR99
  • Type
  • DC DC Regulator
  • Terminal Finish
  • Matte Tin (Sn)
  • Applications
  • Backlight
  • Subcategory
  • Display Drivers
  • Terminal Position
  • QUAD
  • Peak Reflow Temperature (Cel)
  • 260
  • Number of Functions
  • 1
  • Terminal Pitch
  • 0.5mm

LM3503SQ-44/NOPB Overview


In order to save board space, the led driver uses the 16-WFQFN Exposed Pad package. For the design of this LED driver, 2 outputs are used.The mounting method is Surface Mount.As a DC DC Regulator, it has high efficiency and reliability.The led light driver operates normally at -40°C~85°C TA. The benefits it provides to Backlight are considerable.The terminations 16 are designed for its operation.To form its configuration, 16 pins are used.A voltage supply less than 2.5V will cause undetermined failures.The segment count is 10.Surface Mount is mounted in the way.There is a base part number LM3503 for this LED driver.A maximum supply voltage of 5.5V is acceptable.There is 44V voltage output from it.The device has 16 pins.The Display Drivers is also assigned based on its characteristics.It achieves maximum efficiency with a minimal voltage supply of 2.5V.It is capable of fulfilling its full functionality when the switching frequency remains at 1MHz.In the absence of external factors, there is 1.9mA consumption of current.

LM3503SQ-44/NOPB Features


Available in the 16-WFQFN Exposed Pad package
Operating temperature of -40°C~85°C TA
Switching frequency of 1MHz


LM3503SQ-44/NOPB Applications


There are a lot of Texas Instruments
LM3503SQ-44/NOPB LED Driver ICs applications.


  • Architectural lighting
  • Street lighting
  • Stage and Studio lighting
  • Refrigeration lighting
  • Portable lighting
  • Gallery lighting
  • Museum lighting
  • High-end retail lighting
  • Medical surgery lighting
  • Replacement lamps

In Stock :Available

Looking for price or availability? Send us an RFQ and our sales team will respond quickly.

checkAuthentic Components
checkFast Global Shipping
checkESD & IEC Compliance
checkFull Traceability

Shipping & Availability

DHL
EMS
FedEx
UPS

Fast worldwide shipping via DHL, FedEx, UPS, and EMS.

Shipped from:HK Warehouse
Expected Shipping:Tue, Apr 14 - Wed, Apr 15, 2026
Date Code:Within 2 Years

Payment

PayPal
MasterCard
Visa
American Express

We support multiple secure payment methods including PayPal, Visa, MasterCard, and American Express. All transactions are protected with advanced encryption to ensure secure and reliable payments.

Authenticity Guarantee

All components supplied by Aichiplink are sourced from trusted global suppliers and verified through strict in-house inspection and quality control procedures.

Quality Assurance

Certified in-house inspection and testing facilities ensure all components meet internationally recognized quality standards.