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  • LP3944ISQ/NOPB

LP3944ISQ/NOPB

2.5/5V 0.5mm PMIC LP3944 24 Pin 400kHz 5V 24-WFQFN Exposed Pad


  • Manufacturer: Texas Instruments
  • Origchip NO: 815-LP3944ISQ/NOPB
  • Package: 24-WFQFN Exposed Pad
  • Datasheet: -
  • Stock: 803
  • Description: 2.5/5V 0.5mm PMIC LP3944 24 Pin 400kHz 5V 24-WFQFN Exposed Pad (Kg)

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Details

Tags

Parameters
Factory Lead Time 6 Weeks
Lifecycle Status ACTIVE (Last Updated: 6 days ago)
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 24-WFQFN Exposed Pad
Number of Pins 24
Operating Temperature -40°C~85°C TA
Packaging Tape & Reel (TR)
JESD-609 Code e3
Feature I2C
Pbfree Code yes
Part Status Active
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Number of Terminations 24
ECCN Code EAR99
Type Power Switch
Terminal Finish Matte Tin (Sn)
Applications Camera Flash
Subcategory Display Drivers
Max Power Dissipation 1.76W
Terminal Position QUAD
Peak Reflow Temperature (Cel) 260
Number of Functions 1
Supply Voltage 5V
Terminal Pitch 0.5mm
Current Rating 25mA
Frequency 400kHz
Base Part Number LP3944
Power Supplies 2.5/5V
Max Supply Voltage 5.5V
Min Supply Voltage 2.3V
Nominal Supply Current 550μA
Power Dissipation 1.76W
Output Current 25mA
Max Supply Current 550μA
Quiescent Current 350μA
Topology Shift Register
Input Characteristics STANDARD
Internal Switch(s) Yes
Low Level Output Current 25mA
fmax-Min 0.4 MHz
Dimming I2C, SMBus
Number of Segments 8
Voltage - Supply (Min) 2.3V
Multiplexed Display Capability NO
Data Input Mode SERIAL
Height 800μm
Length 4mm
Width 4mm
Thickness 750μm
Radiation Hardening No
RoHS Status ROHS3 Compliant
Lead Free Lead Free

LP3944ISQ/NOPB Overview


Its 24-WFQFN Exposed Pad package is used to save board space. The mounting method adopted is Surface Mount.Power Switch emerges with high efficiency and reliability.This LED driver can be operated at a temperature of -40°C~85°C TA. Camera Flash benefits significantly from the program.The system operates at a frequency of 400kHz.There are 24 terminations associated with it.There are 24 pins used to form the base of its configuration.A voltage supply below 2.3V may cause undetermined failures.A total of 8 segments are estimated.Surface Mount is mounted on it.The LED driver can be found under the base part number LP3944.It's acceptable for the voltage to be 5.5V.According to its characteristics, it is also categorized into Display Drivers.For highest efficiency, it works with a minimal supply voltage of 2.3V.When the maximum supply current is below 550μA, the device can deliver high efficiency.The load is capable of receiving 25mA current.350μA current is consumed in the case of no external factors.

LP3944ISQ/NOPB Features


Available in the 24-WFQFN Exposed Pad package
Operating temperature of -40°C~85°C TA
Frequency of 400kHz
Supply voltage of 5V

LP3944ISQ/NOPB Applications


There are a lot of Texas Instruments LP3944ISQ/NOPB LED Driver ICs applications.

  • LED Lightings for Inspection Devices
  • Industrial LED Lighting: Image Recognition Devices
  • Medical surgery lighting
  • Constant Voltage Power Source for portable equipment
  • Ultraviolet (UV) and Infrared (IR) Irradiation Devices
  • Amusement Machines
  • Power source for accessories such as car audios, car navigation systems, and ETC systems
  • Linear fluorescent
  • Down lights
  • Museum lighting