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LP3943ISQ

Texas Instruments
RoHS
/
Package 24-WFQFN Exposed Pad
Category Integrated Circuits (ICs) / PMIC - LED Drivers
Description Tape & Reel (TR) LP3943 Shift Register I2C SMBus led driver 4mm 25mA 5.5V 400mW
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Inventory: 41219
Minimum: 1
Total Price: USD $0.76
Unit Price: USD $0.757881
≥1 USD $0.757881
≥10 USD $0.73559
≥100 USD $0.713299
≥500 USD $0.685436

Technical Details

Supply Chain

Factory Lead Time 6 Weeks
Lifecycle Status ACTIVE (Last Updated: 2 days ago)

Technical

Operating Temperature -40°C~85°C TA
Packaging Tape & Reel (TR)
JESD-609 Code e0
Part Status Active
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 24
ECCN Code EAR99
Type Power Switch
Terminal Finish Tin/Lead (Sn/Pb)
Applications Camera Flash
HTS Code 8542.39.00.01
Subcategory Display Drivers
Max Power Dissipation 400mW
Terminal Position QUAD
Peak Reflow Temperature (Cel) 260
Number of Functions 1
Supply Voltage 5V
Terminal Pitch 0.5mm
Frequency 400kHz
Time@Peak Reflow Temperature-Max (s) 40
Base Part Number LP3943
Pin Count 24
Number of Outputs 16
Power Supplies 2.5/5V
Max Supply Voltage 5.5V
Min Supply Voltage 2.3V
Nominal Supply Current 550μA
Power Dissipation 400mW
Max Supply Current 550μA
Quiescent Current 350μA
Topology Shift Register
Output Characteristics OPEN-DRAIN
Input Characteristics STANDARD
Internal Switch(s) Yes
Low Level Output Current 25mA
fmax-Min 0.4 MHz
Dimming I2C, SMBus
Number of Segments 16
Voltage - Supply (Min) 2.3V
Multiplexed Display Capability NO
Data Input Mode SERIAL

Dimensions

Height 800μm
Length 4mm
Width 4mm
Thickness 750μm

Physical

Mount Surface Mount
Mounting Type Surface Mount
Package / Case 24-WFQFN Exposed Pad
Number of Pins 24

Compliance

Radiation Hardening No
RoHS Status Non-RoHS Compliant
Lead Free Contains Lead

Alternative Model

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