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LM3503SQX-44

LM3503SQX-44

LM3503SQX-44

Texas Instruments

3/5V 0.5mm PMIC LM3503 16 Pin 3.6V 16-WFQFN Exposed Pad

SOT-23

LM3503SQX-44 Datasheet

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Specifications
Name Value
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 e0
Pbfree Code no
Part Status Obsolete
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 16
ECCN Code EAR99
Type DC DC Regulator
Terminal Finish Tin/Lead (Sn/Pb)
Applications Backlight
Subcategory Display Drivers
Terminal Position QUAD
Peak Reflow Temperature (Cel) 260
Number of Functions 1
Supply Voltage 3.6V
Terminal Pitch 0.5mm
Base Part Number LM3503
Pin Count 16
Number of Outputs 2
Power Supplies 3/5V
Max Supply Voltage 5.5V
Quiescent Current 1.9mA
Voltage - Output 44V
Topology Step-Up (Boost)
Output Current per Channel 750mA
Current - Output / Channel 750mA Switch
Internal Switch(s) Yes
Dimming Analog, PWM
Number of Segments 10
Switching Frequency 1MHz
Voltage - Supply (Min) 2.5V
Multiplexed Display Capability NO
Height Seated (Max) 0.8mm
Width 4mm
Radiation Hardening No
RoHS Status Non-RoHS Compliant
Lead Free Contains Lead
LM3503SQX-44 Product Details

LM3503SQX-44 Overview


To save space on the board, it has a 16-WFQFN Exposed Pad package. Typically, LED drivers have 2 outputs.For mounting, it uses the Surface Mount method.With high efficiency, it emerges as a DC DC Regulator.When the temperature is -40°C~85°C TA, it can work normally.Backlight provides many benefits.In order for it to operate, it has 16 terminations.This configuration is built upon 16 pins.It is inevitable that there will be undetermined failures when the supply voltage is less than 2.5V.It is estimated that there are 10 segments.This is mounted by Surface Mount.Under the base part number LM3503, you will find this LED driver.5.5V is a maximum acceptable voltage for the supply.This device produces a voltage of 44V volts.In this device, there are 16 pins.As a result, its characteristics can also be categorized as Display Drivers.This electronic component can fully perform when the switching frequency is 1MHz.In the absence of external factors, 1.9mA current is consumed.

LM3503SQX-44 Features


Available in the 16-WFQFN Exposed Pad package
Operating temperature of -40°C~85°C TA
Supply voltage of 3.6V
Switching frequency of 1MHz

LM3503SQX-44 Applications


There are a lot of Texas Instruments LM3503SQX-44 LED Driver ICs applications.

  • Medical surgery lighting
  • Industrial LED Lighting: Image Recognition Devices
  • LED Lightings for Inspection Devices
  • Flicker-free LED Lighting using R1580N
  • General LED Lighting: Down-lights, Base-lights, Ceiling Lights, Exterior Lights
  • Sports Facility Lighting
  • Power source for accessories such as car audios, car navigation systems, and ETC systems
  • Other Electronic Devices
  • Constant Voltage Power Source for portable equipment
  • LED Lighting PFCs, Linear Dimmable

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