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LM3644YFFR
Texas InstrumentsRoHS 
RoHS compliant
RoHS compliantPackage 12-UFBGA, DSBGA
Category PMIC - LED Drivers / PMIC - LED Drivers
Description
Tape & Reel (TR) LM3644 Step-Up (Boost) I2C led driver 2mm 1.5A 5.5V 4MHz
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Inventory: 10490
Minimum: 1
Total Price: USD $0.4
Unit Price: USD $0.4028
≥1 USD $0.4028
≥100 USD $0.3306
≥250 USD $0.32015
≥1000 USD $0.31065
Technical Details
Supply Chain
Factory Lead Time 6 Weeks
Lifecycle Status ACTIVE (Last Updated: 5 days ago)
Physical
Contact Plating Copper, Silver, Tin
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 12-UFBGA, DSBGA
Number of Pins 12
Dimensions
Height 625μm
Length 2mm
Width 1.16mm
Thickness 1.6mm
Technical
Operating Temperature -40°C~85°C TA
Packaging Tape & Reel (TR)
JESD-609 Code e1
Pbfree Code yes
Part Status Active
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 12
ECCN Code EAR99
Type DC DC Regulator
Terminal Finish Tin/Silver/Copper (Sn/Ag/Cu)
Applications Camera Flash
Terminal Position BOTTOM
Terminal Form BALL
Peak Reflow Temperature (Cel) 260
Number of Functions 1
Supply Voltage 3.6V
Terminal Pitch 0.4mm
Frequency 2MHz 4MHz
Base Part Number LM3644
Number of Outputs 2
Output Type Frequency
Max Output Current 1.5A
Max Supply Voltage 5.5V
Quiescent Current 300μA
Supply Current-Max 0.75mA
Topology Step-Up (Boost)
Min Input Voltage 2.5V
Max Input Voltage 5.5V
Output Characteristics CONSTANT-CURRENT
Output Current per Channel 750mA
Input Characteristics STANDARD
Internal Switch(s) Yes
Dimming I2C
Max Input Voltage (DC) 5.5V
Min Input Voltage (DC) 2.5V
Number of Segments 2
Switching Frequency 4MHz
Multiplexed Display Capability NO
Compliance
Radiation Hardening No
RoHS Status ROHS3 Compliant
Lead Free Lead Free
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